Solar Radio, Magnetometry and Spectroscopy

New Topic

958 topics

Topics

Replies

Views

Last post

"How to Build and Use a Spectroheliograph" -- slides and Zoom call recording

Last post by ffellah « Sat Jun 03, 2023 12:58 pm
Replies: 3
by thesmiths » Tue May 23, 2023 9:36 pm

Rating: 1.88%

3 Replies

483 Views

Last post by ffellah
Sat Jun 03, 2023 12:58 pm
Sol'Ex, a compact SHG (how to assemble and observe)

Last post by ffellah « Wed May 17, 2023 3:02 pm
Replies: 2
by CBuil » Tue Jan 03, 2023 5:00 pm

Rating: 2.19%

2 Replies

6335 Views

Last post by ffellah
Wed May 17, 2023 3:02 pm
Update to the SimSpec SHG V1.5

Last post by thesmiths « Sat Feb 11, 2023 9:29 pm
Replies: 1
by Merlin66 » Sat Feb 11, 2023 4:00 am

Rating: 1.25%

1 Replies

5278 Views

Last post by thesmiths
Sat Feb 11, 2023 9:29 pm
SHG software release version 3.7

Last post by marktownley « Sat Nov 12, 2022 8:33 am
Replies: 5
by thesmiths » Wed Sep 21, 2022 9:10 pm

Rating: 2.19%

5 Replies

7861 Views

Last post by marktownley
Sat Nov 12, 2022 8:33 am
second attempt caH and caK with open slit

Last post by rsfoto « Tue Jun 06, 2023 3:13 pm
Replies: 3
by highfnum » Mon Jun 05, 2023 11:41 pm

Rating: 0.94%

3 Replies

57 Views

Last post by rsfoto
Tue Jun 06, 2023 3:13 pm
Attempt at Helium line 4th June 2023

Last post by thesmiths « Tue Jun 06, 2023 3:04 pm
Replies: 3
by Alun_H » Mon Jun 05, 2023 9:57 am

Rating: 1.25%

3 Replies

72 Views

Last post by thesmiths
Tue Jun 06, 2023 3:04 pm
Detailed solar spectrum wanted

Last post by christian viladrich « Mon Jun 05, 2023 10:42 pm
Replies: 5
by GreatAttractor » Mon Jun 05, 2023 5:02 pm

5 Replies

79 Views

Last post by christian viladrich
Mon Jun 05, 2023 10:42 pm
Very nice resolution H-alpha SHG full disk image -- 4 June

Last post by rsfoto « Mon Jun 05, 2023 8:45 pm
Replies: 4
by thesmiths » Mon Jun 05, 2023 12:28 am

Rating: 1.57%

4 Replies

86 Views

Last post by rsfoto
Mon Jun 05, 2023 8:45 pm
The Big SHG from Down Under -- Maurice's 100mm f/9

Last post by DeepSolar64 « Mon Jun 05, 2023 5:22 pm
Replies: 24
by thesmiths » Fri Jun 02, 2023 9:49 pm

Rating: 5.96%

24 Replies

323 Views

Last post by DeepSolar64
Mon Jun 05, 2023 5:22 pm
June 04 ,2023 ; prominence in UV with spectro coronagraph

Last post by ChrisHalpha2017 « Sun Jun 04, 2023 10:27 pm
Replies: 3
by ChrisHalpha2017 » Sun Jun 04, 2023 5:43 pm

Rating: 1.88%

3 Replies

88 Views

Last post by ChrisHalpha2017
Sun Jun 04, 2023 10:27 pm
Continuous SHG

Last post by rsfoto « Sun Jun 04, 2023 3:56 pm
Replies: 2
by Jean-Francois » Sun Jun 04, 2023 6:59 am

Rating: 0.31%

2 Replies

80 Views

Last post by rsfoto
Sun Jun 04, 2023 3:56 pm
My folded SHG and Ha image from 3rd June 23

Last post by rsfoto « Sun Jun 04, 2023 3:19 pm
Replies: 4
by Alun_H » Sun Jun 04, 2023 7:37 am

Rating: 0.94%

4 Replies

91 Views

Last post by rsfoto
Sun Jun 04, 2023 3:19 pm
my first caH caK with open slit spectroscope

Last post by highfnum « Sat Jun 03, 2023 1:40 pm
Replies: 6
by highfnum » Fri Jun 02, 2023 6:56 pm

Rating: 1.57%

6 Replies

97 Views

Last post by highfnum
Sat Jun 03, 2023 1:40 pm
agitated solar limb on June 2nd 2023

Last post by ChrisHalpha2017 « Fri Jun 02, 2023 10:16 pm

by ChrisHalpha2017 » Fri Jun 02, 2023 10:16 pm

Rating: 0.63%

0 Replies

51 Views

Last post by ChrisHalpha2017
Fri Jun 02, 2023 10:16 pm
New telescope ~400mm focal length for SHG

Last post by rsfoto « Fri Jun 02, 2023 9:31 pm
Replies: 15
by rsfoto » Mon May 15, 2023 5:50 pm

Rating: 1.25%

15 Replies

319 Views

Last post by rsfoto
Fri Jun 02, 2023 9:31 pm
prom of the day May 31st 2023 with spectro

Last post by ChrisHalpha2017 « Fri Jun 02, 2023 8:54 pm
Replies: 6
by ChrisHalpha2017 » Wed May 31, 2023 8:55 pm

Rating: 0.94%

6 Replies

98 Views

Last post by ChrisHalpha2017
Fri Jun 02, 2023 8:54 pm
1st SHG and proms of the day June 1st 2023

Last post by Montana « Fri Jun 02, 2023 6:47 am
Replies: 3
by ChrisHalpha2017 » Thu Jun 01, 2023 4:14 pm

Rating: 0.94%

3 Replies

77 Views

Last post by Montana
Fri Jun 02, 2023 6:47 am
5 31 prom with open slit spectroscope

Last post by Montana « Fri Jun 02, 2023 6:44 am
Replies: 1
by highfnum » Fri Jun 02, 2023 1:08 am

Rating: 0.31%

1 Replies

44 Views

Last post by Montana
Fri Jun 02, 2023 6:44 am
partial SHG Ha AT115

Last post by Montana « Wed May 31, 2023 11:51 am
Replies: 1
by highfnum » Tue May 30, 2023 10:56 pm

Rating: 0.31%

1 Replies

70 Views

Last post by Montana
Wed May 31, 2023 11:51 am
SHG Ha apo80mm with and without focal reducer

Last post by Montana « Wed May 31, 2023 11:50 am
Replies: 2
by highfnum » Tue May 30, 2023 2:58 pm

Rating: 0.63%

2 Replies

64 Views

Last post by Montana
Wed May 31, 2023 11:50 am
Some tips on imaging the Helium line

Last post by Montana « Wed May 31, 2023 6:54 am
Replies: 4
by thesmiths » Mon May 29, 2023 5:59 pm

4 Replies

136 Views

Last post by Montana
Wed May 31, 2023 6:54 am
huge flare today with spectro coro 27th may 2023

Last post by ChrisHalpha2017 « Wed May 31, 2023 4:29 am
Replies: 6
by ChrisHalpha2017 » Sat May 27, 2023 3:15 pm

Rating: 2.19%

6 Replies

157 Views

Last post by ChrisHalpha2017
Wed May 31, 2023 4:29 am
H-alpha and H-beta SHG images with 80mm aperture -- May 26

Last post by Montana « Tue May 30, 2023 9:13 am
Replies: 1
by thesmiths » Fri May 26, 2023 9:32 pm

Rating: 0.63%

1 Replies

85 Views

Last post by Montana
Tue May 30, 2023 9:13 am
proms of May 25th 2023 this morning with spectro-coro

Last post by Montana « Tue May 30, 2023 9:12 am
Replies: 1
by ChrisHalpha2017 » Thu May 25, 2023 8:44 pm

Rating: 0.94%

1 Replies

70 Views

Last post by Montana
Tue May 30, 2023 9:12 am
A peek inside a spectroheliograph

Last post by thesmiths « Thu May 25, 2023 10:52 am
Replies: 4
by thesmiths » Thu May 18, 2023 6:45 pm

Rating: 1.25%

4 Replies

229 Views

Last post by thesmiths
Thu May 25, 2023 10:52 am
H-alpha, H-beta and CaH SHG images from May 21

Last post by Montana « Thu May 25, 2023 7:08 am
Replies: 3
by thesmiths » Mon May 22, 2023 2:37 pm

Rating: 1.25%

3 Replies

140 Views

Last post by Montana
Thu May 25, 2023 7:08 am
proms of May 19th with spectro-coronagraph

Last post by Montana « Thu May 25, 2023 6:58 am
Replies: 2
by ChrisHalpha2017 » Fri May 19, 2023 10:16 pm

Rating: 1.25%

2 Replies

111 Views

Last post by Montana
Thu May 25, 2023 6:58 am
Sol'Ex ; How to use IntI for when focal is too big?

Last post by Montana « Thu May 25, 2023 6:57 am
Replies: 4
by ChrisHalpha2017 » Thu May 18, 2023 4:28 am

Rating: 0.63%

4 Replies

144 Views

Last post by Montana
Thu May 25, 2023 6:57 am
prom of the day : spectro with low dispersion

Last post by Montana « Thu May 25, 2023 6:55 am
Replies: 1
by ChrisHalpha2017 » Thu May 18, 2023 2:18 pm

Rating: 0.94%

1 Replies

86 Views

Last post by Montana
Thu May 25, 2023 6:55 am
observations in He, D1 D2, H beta, H alpha and doppler..

Last post by Montana « Thu May 18, 2023 7:17 am
Replies: 1
by ChrisHalpha2017 » Wed May 17, 2023 6:57 pm

Rating: 0.94%

1 Replies

83 Views

Last post by Montana
Thu May 18, 2023 7:17 am
H-alpha and Ca-H SHG -- May 14

Last post by Jean-Francois « Wed May 17, 2023 7:00 pm
Replies: 6
by thesmiths » Mon May 15, 2023 1:35 am

Rating: 0.63%

6 Replies

183 Views

Last post by Jean-Francois
Wed May 17, 2023 7:00 pm
H-alpha, H-beta SHG and continuum comparison -- May 16

Last post by KMH « Wed May 17, 2023 6:25 pm
Replies: 4
by thesmiths » Tue May 16, 2023 6:00 pm

Rating: 1.88%

4 Replies

189 Views

Last post by KMH
Wed May 17, 2023 6:25 pm
may 16th ; the huge prom is till there :)

Last post by ChrisHalpha2017 « Wed May 17, 2023 10:06 am
Replies: 3
by ChrisHalpha2017 » Tue May 16, 2023 9:18 pm

Rating: 0.94%

3 Replies

98 Views

Last post by ChrisHalpha2017
Wed May 17, 2023 10:06 am
15 may 23 SHG Ha caH caK

Last post by Montana « Tue May 16, 2023 1:15 pm
Replies: 1
by highfnum » Tue May 16, 2023 11:02 am

Rating: 0.63%

1 Replies

89 Views

Last post by Montana
Tue May 16, 2023 1:15 pm
first test shot solex and AT115 apo

Last post by PDB « Tue May 16, 2023 6:18 am
Replies: 18
by highfnum » Sat May 13, 2023 5:08 pm

Rating: 1.88%

18 Replies

314 Views

Last post by PDB
Tue May 16, 2023 6:18 am
Calcium SHG image

Last post by rsfoto « Mon May 15, 2023 5:37 pm
Replies: 2
by rsfoto » Fri May 12, 2023 9:05 pm

Rating: 1.25%

2 Replies

115 Views

Last post by rsfoto
Mon May 15, 2023 5:37 pm
Some Spectroheliograph images

Last post by rsfoto « Mon May 15, 2023 2:48 pm
Replies: 2
by rsfoto » Thu May 11, 2023 10:24 pm

Rating: 0.94%

2 Replies

125 Views

Last post by rsfoto
Mon May 15, 2023 2:48 pm
the faint prominence got even bigger!!! May 14th

Last post by Montana « Mon May 15, 2023 11:31 am
Replies: 2
by ChrisHalpha2017 » Sun May 14, 2023 9:06 pm

Rating: 1.25%

2 Replies

82 Views

Last post by Montana
Mon May 15, 2023 11:31 am
a very faint prominence with the spectro (may 13th)

Last post by Montana « Mon May 15, 2023 11:30 am
Replies: 1
by ChrisHalpha2017 » Sun May 14, 2023 6:13 am

Rating: 0.31%

1 Replies

110 Views

Last post by Montana
Mon May 15, 2023 11:30 am
Big flare this morning May 13th 2023 with spectro coro.

Last post by Montana « Mon May 15, 2023 11:28 am
Replies: 1
by ChrisHalpha2017 » Sat May 13, 2023 11:32 pm

Rating: 0.63%

1 Replies

69 Views

Last post by Montana
Mon May 15, 2023 11:28 am
SHG(solex) Ha CaH and prom with open slit(homemade)

Last post by Montana « Mon May 15, 2023 11:26 am
Replies: 2
by highfnum » Thu May 11, 2023 9:07 pm

Rating: 0.94%

2 Replies

100 Views

Last post by Montana
Mon May 15, 2023 11:26 am
H-alpha and H-beta 80mm/600mm SHG -- May 7

Last post by Montana « Mon May 15, 2023 11:24 am
Replies: 10
by thesmiths » Mon May 08, 2023 1:47 am

Rating: 2.82%

10 Replies

307 Views

Last post by Montana
Mon May 15, 2023 11:24 am
First light Sol'Ex and caught a flare.

Last post by Montana « Mon May 15, 2023 11:20 am
Replies: 2
by NM_mike » Tue May 09, 2023 3:05 pm

Rating: 0.63%

2 Replies

103 Views

Last post by Montana
Mon May 15, 2023 11:20 am
May Solarchat Zoom 14th May 2023

Last post by thesmiths « Sun May 14, 2023 2:47 pm
Replies: 10
by Montana » Sun Mar 19, 2023 12:02 pm

Rating: 6.9%

10 Replies

4214 Views

Last post by thesmiths
Sun May 14, 2023 2:47 pm
large prom with open slit

Last post by ChrisHalpha2017 « Wed May 10, 2023 7:09 pm
Replies: 7
by highfnum » Wed Aug 03, 2022 6:17 pm

Rating: 1.88%

7 Replies

489 Views

Last post by ChrisHalpha2017
Wed May 10, 2023 7:09 pm
DIY SHG and images from 7th May

Last post by ChrisHalpha2017 « Wed May 10, 2023 6:55 pm
Replies: 8
by Alun_H » Mon May 08, 2023 4:39 pm

Rating: 2.82%

8 Replies

232 Views

Last post by ChrisHalpha2017
Wed May 10, 2023 6:55 pm
caH with two SHGs Sol'Ex and Home made

Last post by NM_mike « Tue May 09, 2023 4:19 pm
Replies: 3
by highfnum » Mon May 08, 2023 12:05 am

Rating: 0.94%

3 Replies

146 Views

Last post by NM_mike
Tue May 09, 2023 4:19 pm
SHG sol'ex Hbeta caK

Last post by KMH « Sun May 07, 2023 6:19 pm
Replies: 2
by highfnum » Sat May 06, 2023 9:09 pm

Rating: 0.63%

2 Replies

122 Views

Last post by KMH
Sun May 07, 2023 6:19 pm
group of prominence today May 4th 2023

Last post by Montana « Sat May 06, 2023 5:38 pm
Replies: 2
by ChrisHalpha2017 » Thu May 04, 2023 7:16 pm

Rating: 1.25%

2 Replies

136 Views

Last post by Montana
Sat May 06, 2023 5:38 pm
some prominences May 3rd , and spicules..

Last post by Montana « Sat May 06, 2023 5:37 pm
Replies: 1
by ChrisHalpha2017 » Wed May 03, 2023 8:15 pm

Rating: 0.31%

1 Replies

90 Views

Last post by Montana
Sat May 06, 2023 5:37 pm
huge flare today with spectro coronagraph may 2nd 2023

Last post by Montana « Sat May 06, 2023 5:36 pm
Replies: 1
by ChrisHalpha2017 » Tue May 02, 2023 8:04 pm

Rating: 0.94%

1 Replies

310 Views

Last post by Montana
Sat May 06, 2023 5:36 pm
G3 Geomagnetic Storm March 23rd 2023

Last post by marktownley « Tue May 02, 2023 7:04 pm
Replies: 6
by Carbon60 » Thu Mar 23, 2023 4:50 pm

Rating: 3.45%

6 Replies

509 Views

Last post by marktownley
Tue May 02, 2023 7:04 pm
April Lyrid Meteors

Last post by Wyvern « Sat Apr 29, 2023 6:43 pm
Replies: 2
by Wyvern » Fri Apr 28, 2023 6:01 pm

Rating: 0.63%

2 Replies

185 Views

Last post by Wyvern
Sat Apr 29, 2023 6:43 pm
my first hbeta with open slit

Last post by highfnum « Thu Apr 27, 2023 11:34 pm
Replies: 6
by highfnum » Sun Jul 03, 2022 11:15 pm

Rating: 0.94%

6 Replies

472 Views

Last post by highfnum
Thu Apr 27, 2023 11:34 pm
wide prom with open slit method

Last post by highfnum « Wed Apr 26, 2023 10:23 am
Replies: 4
by highfnum » Sun Apr 23, 2023 11:24 pm

Rating: 0.63%

4 Replies

271 Views

Last post by highfnum
Wed Apr 26, 2023 10:23 am
proms of April 24th with wide slit spectroscope

Last post by highfnum « Wed Apr 26, 2023 10:14 am
Replies: 3
by ChrisHalpha2017 » Tue Apr 25, 2023 8:07 pm

Rating: 0.31%

3 Replies

165 Views

Last post by highfnum
Wed Apr 26, 2023 10:14 am
nice prom with open slit method

Last post by ChrisHalpha2017 « Tue Apr 25, 2023 8:24 pm
Replies: 5
by highfnum » Wed Jul 20, 2022 3:03 pm

Rating: 1.88%

5 Replies

449 Views

Last post by ChrisHalpha2017
Tue Apr 25, 2023 8:24 pm
open slit prom 9 17 22

Last post by ChrisHalpha2017 « Tue Apr 25, 2023 8:20 pm
Replies: 4
by highfnum » Sun Sep 18, 2022 12:29 pm

Rating: 1.25%

4 Replies

351 Views

Last post by ChrisHalpha2017
Tue Apr 25, 2023 8:20 pm
simple shg Ha

Last post by ChrisHalpha2017 « Tue Apr 25, 2023 8:12 pm
Replies: 2
by highfnum » Thu Apr 13, 2023 8:21 pm

Rating: 1.25%

2 Replies

253 Views

Last post by ChrisHalpha2017
Tue Apr 25, 2023 8:12 pm
Attempt at 140mm aperture H-alpha SHG

Last post by thesmiths « Tue Apr 25, 2023 1:30 am
Replies: 2
by thesmiths » Sun Apr 23, 2023 11:57 pm

Rating: 0.94%

2 Replies

275 Views

Last post by thesmiths
Tue Apr 25, 2023 1:30 am
WOW...G4 Kp8 Geomagnetic Storm

Last post by Carbon60 « Mon Apr 24, 2023 6:28 pm
Replies: 2
by Carbon60 » Mon Apr 24, 2023 7:30 am

Rating: 0.31%

2 Replies

231 Views

Last post by Carbon60
Mon Apr 24, 2023 6:28 pm
Another He D3 attempt

Last post by Montana « Mon Apr 24, 2023 11:25 am
Replies: 2
by Alun_H » Sun Apr 23, 2023 9:33 am

Rating: 1.25%

2 Replies

216 Views

Last post by Montana
Mon Apr 24, 2023 11:25 am
Halpha SHG 15th April 2023

Last post by Alun_H « Sun Apr 23, 2023 9:20 am
Replies: 7
by Alun_H » Sun Apr 16, 2023 11:30 am

Rating: 1.88%

7 Replies

396 Views

Last post by Alun_H
Sun Apr 23, 2023 9:20 am
Sol'Ex with quartz slit

Last post by thesmiths « Tue Apr 18, 2023 9:32 pm
Replies: 12
by Alun_H » Wed Mar 29, 2023 2:48 pm

Rating: 4.08%

12 Replies

520 Views

Last post by thesmiths
Tue Apr 18, 2023 9:32 pm
Hydrogen alpha & Helium D3 10th Apr 23

Last post by Alun_H « Sun Apr 16, 2023 11:33 am
Replies: 6
by Alun_H » Tue Apr 11, 2023 9:10 am

Rating: 2.19%

6 Replies

370 Views

Last post by Alun_H
Sun Apr 16, 2023 11:33 am
Hydrogen alpha scan 6th April 2023

Last post by Alun_H « Wed Apr 12, 2023 4:32 pm
Replies: 7
by Alun_H » Thu Apr 06, 2023 8:21 pm

Rating: 2.19%

7 Replies

304 Views

Last post by Alun_H
Wed Apr 12, 2023 4:32 pm
Easter SUN SHG sol ex

Last post by Montana « Mon Apr 10, 2023 3:09 pm
Replies: 2
by highfnum » Mon Apr 10, 2023 11:31 am

Rating: 0.94%

2 Replies

212 Views

Last post by Montana
Mon Apr 10, 2023 3:09 pm
Helium D3 07/04/23

Last post by Alun_H « Mon Apr 10, 2023 11:47 am
Replies: 5
by Alun_H » Sat Apr 08, 2023 6:30 am

Rating: 2.51%

5 Replies

276 Views

Last post by Alun_H
Mon Apr 10, 2023 11:47 am
Ha spectroheliogram 4th April 2023

Last post by Alun_H « Thu Apr 06, 2023 9:45 pm
Replies: 5
by Alun_H » Wed Apr 05, 2023 7:13 pm

Rating: 1.88%

5 Replies

216 Views

Last post by Alun_H
Thu Apr 06, 2023 9:45 pm
A spectroheliograph configured to measure solar magnetic fields

Last post by marktownley « Thu Apr 06, 2023 8:37 am
Replies: 5
by thesmiths » Sun Apr 02, 2023 9:50 pm

Rating: 0.94%

5 Replies

339 Views

Last post by marktownley
Thu Apr 06, 2023 8:37 am
SHG H-beta and caK

Last post by highfnum « Wed Apr 05, 2023 11:04 am
Replies: 3
by highfnum » Sun Apr 02, 2023 9:37 pm

Rating: 1.25%

3 Replies

154 Views

Last post by highfnum
Wed Apr 05, 2023 11:04 am
Hbeta & Halpha 30th March 2023

Last post by thesmiths « Sat Apr 01, 2023 11:53 pm
Replies: 5
by Alun_H » Sat Apr 01, 2023 2:14 pm

Rating: 2.19%

5 Replies

250 Views

Last post by thesmiths
Sat Apr 01, 2023 11:53 pm
Fred Veio has passed away

Last post by Montana « Fri Mar 31, 2023 5:27 pm
Replies: 3
by Bob Yoesle » Wed Mar 29, 2023 4:23 pm

Rating: 1.88%

3 Replies

193 Views

Last post by Montana
Fri Mar 31, 2023 5:27 pm
SHG Ha maybe I caught part to flare?

Last post by Montana « Fri Mar 31, 2023 5:26 pm
Replies: 1
by highfnum » Wed Mar 29, 2023 9:01 pm

Rating: 0.63%

1 Replies

126 Views

Last post by Montana
Fri Mar 31, 2023 5:26 pm
prom ha open slit spectroscope

Last post by Montana « Thu Mar 23, 2023 7:23 am
Replies: 5
by highfnum » Wed Mar 22, 2023 6:31 pm

Rating: 1.57%

5 Replies

164 Views

Last post by Montana
Thu Mar 23, 2023 7:23 am
Spectroheliograms from 22-03-2023

Last post by Montana « Thu Mar 23, 2023 7:22 am
Replies: 1
by rsfoto » Wed Mar 22, 2023 9:15 pm

Rating: 0.63%

1 Replies

127 Views

Last post by Montana
Thu Mar 23, 2023 7:22 am
sol ex SHG 3 freq Ha Hb Neutral calcium

Last post by highfnum « Wed Mar 22, 2023 6:30 pm
Replies: 5
by highfnum » Tue Mar 21, 2023 10:12 am

Rating: 1.57%

5 Replies

159 Views

Last post by highfnum
Wed Mar 22, 2023 6:30 pm
solex SHG freq Ha sodium MGb1 Mgb2

Last post by highfnum « Wed Mar 22, 2023 8:44 am
Replies: 6
by highfnum » Tue Mar 21, 2023 9:04 pm

Rating: 1.88%

6 Replies

175 Views

Last post by highfnum
Wed Mar 22, 2023 8:44 am
19-03-2023 MgT SHG

Last post by highfnum « Tue Mar 21, 2023 10:21 am
Replies: 4
by rsfoto » Sun Mar 19, 2023 10:26 pm

Rating: 2.19%

4 Replies

156 Views

Last post by highfnum
Tue Mar 21, 2023 10:21 am
Spectroheliograms from 20-03-2023

Last post by Montana « Tue Mar 21, 2023 8:01 am
Replies: 1
by rsfoto » Mon Mar 20, 2023 10:54 pm

Rating: 0.94%

1 Replies

106 Views

Last post by Montana
Tue Mar 21, 2023 8:01 am
Spectroheliograms from 17th & 18th March 2023

Last post by Alun_H « Mon Mar 20, 2023 10:43 pm
Replies: 12
by Alun_H » Sun Mar 19, 2023 2:43 pm

Rating: 4.39%

12 Replies

317 Views

Last post by Alun_H
Mon Mar 20, 2023 10:43 pm
19-03-2023 CaK SHG

Last post by DeepSolar64 « Mon Mar 20, 2023 6:31 pm
Replies: 2
by rsfoto » Sun Mar 19, 2023 10:21 pm

Rating: 1.57%

2 Replies

144 Views

Last post by DeepSolar64
Mon Mar 20, 2023 6:31 pm
19-03-2023 Ha SHG

Last post by Montana « Mon Mar 20, 2023 7:30 am
Replies: 1
by rsfoto » Sun Mar 19, 2023 10:28 pm

Rating: 1.57%

1 Replies

135 Views

Last post by Montana
Mon Mar 20, 2023 7:30 am
18-03-2023 CaK 3933Å

Last post by Alun_H « Sun Mar 19, 2023 2:53 pm
Replies: 7
by rsfoto » Sat Mar 18, 2023 9:27 pm

Rating: 1.88%

7 Replies

215 Views

Last post by Alun_H
Sun Mar 19, 2023 2:53 pm
Spectroheliograms for 13th Mar 2023

Last post by Alun_H « Sun Mar 19, 2023 2:11 pm
Replies: 5
by Alun_H » Mon Mar 13, 2023 7:29 pm

Rating: 2.82%

5 Replies

272 Views

Last post by Alun_H
Sun Mar 19, 2023 2:11 pm
G1/G2 Geomagnetic Storms 15th March 2023

Last post by Carbon60 « Sun Mar 19, 2023 12:52 pm
Replies: 6
by Carbon60 » Thu Mar 16, 2023 9:19 am

Rating: 2.82%

6 Replies

202 Views

Last post by Carbon60
Sun Mar 19, 2023 12:52 pm
CaK SHG

Last post by Montana « Sun Mar 19, 2023 11:50 am
Replies: 3
by rsfoto » Sat Mar 18, 2023 5:08 pm

Rating: 0.94%

3 Replies

158 Views

Last post by Montana
Sun Mar 19, 2023 11:50 am
home made SHG caK

Last post by Montana « Sun Mar 19, 2023 11:50 am
Replies: 2
by highfnum » Sat Mar 18, 2023 12:57 pm

Rating: 0.94%

2 Replies

142 Views

Last post by Montana
Sun Mar 19, 2023 11:50 am
H-alpha SHG

Last post by marktownley « Sun Mar 19, 2023 5:22 am
Replies: 2
by rsfoto » Sat Mar 18, 2023 2:32 am

Rating: 0.94%

2 Replies

119 Views

Last post by marktownley
Sun Mar 19, 2023 5:22 am
H-alpha SHG

Last post by marktownley « Sun Mar 19, 2023 5:21 am
Replies: 2
by rsfoto » Fri Mar 17, 2023 12:48 am

Rating: 0.63%

2 Replies

141 Views

Last post by marktownley
Sun Mar 19, 2023 5:21 am
Stunning view of a solar flare in the H-alpha line

Last post by marktownley « Sun Mar 19, 2023 5:17 am
Replies: 2
by thesmiths » Sun Mar 12, 2023 4:44 pm

Rating: 1.25%

2 Replies

218 Views

Last post by marktownley
Sun Mar 19, 2023 5:17 am
SolEx coming together nicely.

Last post by Montana « Thu Mar 09, 2023 6:31 pm
Replies: 1
by Racer » Mon Mar 06, 2023 5:08 pm

Rating: 0.31%

1 Replies

226 Views

Last post by Montana
Thu Mar 09, 2023 6:31 pm
H-alpha SHG, March 2 -- first of 2023!

Last post by thesmiths « Tue Mar 07, 2023 1:02 am
Replies: 14
by thesmiths » Thu Mar 02, 2023 6:48 pm

Rating: 3.76%

14 Replies

650 Views

Last post by thesmiths
Tue Mar 07, 2023 1:02 am
Hbeta & Halpha spectroheliograms 2023-02-22

Last post by DeepSolar64 « Mon Mar 06, 2023 7:58 pm
Replies: 9
by Alun_H » Wed Feb 22, 2023 7:49 pm

Rating: 2.19%

9 Replies

347 Views

Last post by DeepSolar64
Mon Mar 06, 2023 7:58 pm
Halpha spectroheliogram 25th Feb 2023

Last post by DeepSolar64 « Mon Mar 06, 2023 7:24 pm
Replies: 12
by Alun_H » Sat Feb 25, 2023 5:28 pm

Rating: 3.45%

12 Replies

478 Views

Last post by DeepSolar64
Mon Mar 06, 2023 7:24 pm
G2 and G3 Geomagnetic Storm Combo 26th-28th Feb 2023

Last post by DeepSolar64 « Mon Mar 06, 2023 6:05 pm
Replies: 7
by Carbon60 » Tue Feb 28, 2023 9:22 am

Rating: 2.82%

7 Replies

281 Views

Last post by DeepSolar64
Mon Mar 06, 2023 6:05 pm
Sol'Ex - Motorization (Github)

Last post by galaxie427 « Mon Mar 06, 2023 2:27 am

by galaxie427 » Mon Mar 06, 2023 2:27 am

Rating: 0.94%

0 Replies

185 Views

Last post by galaxie427
Mon Mar 06, 2023 2:27 am
Updated chrome on fused quartz slits specifications document

Last post by thesmiths « Sun Mar 05, 2023 4:42 pm
Replies: 4
by thesmiths » Wed Mar 01, 2023 2:21 pm

Rating: 3.76%

4 Replies

425 Views

Last post by thesmiths
Sun Mar 05, 2023 4:42 pm
G2 Geomagnetic Storm 26-27th Feb 2023

Last post by DeepSolar64 « Sun Mar 05, 2023 12:34 am
Replies: 4
by Carbon60 » Mon Feb 27, 2023 11:54 am

Rating: 2.19%

4 Replies

211 Views

Last post by DeepSolar64
Sun Mar 05, 2023 12:34 am
A very high-resolution H-alpha SHG mosaic (morning Feb 15)

Last post by thesmiths « Mon Feb 27, 2023 8:35 pm
Replies: 9
by thesmiths » Thu Feb 16, 2023 12:50 am

Rating: 2.82%

9 Replies

500 Views

Last post by thesmiths
Mon Feb 27, 2023 8:35 pm
SHG images Ha and Ca

Last post by rsfoto « Thu Feb 23, 2023 2:48 pm
Replies: 29
by rsfoto » Sat Feb 11, 2023 10:39 pm
1

2
Rating: 7.84%
29 Replies

882 Views

Last post by rsfoto
Thu Feb 23, 2023 2:48 pm
Spectroheliograms from 15th Feb 2023

Last post by Alun_H « Wed Feb 22, 2023 3:08 pm
Replies: 7
by Alun_H » Wed Feb 15, 2023 5:42 pm

Rating: 3.13%

7 Replies

331 Views

Last post by Alun_H
Wed Feb 22, 2023 3:08 pm
Hbeta & Mg 1 (b2) spectroheliograms 14th Feb 2023

Last post by Alun_H « Wed Feb 22, 2023 3:07 pm
Replies: 8
by Alun_H » Thu Feb 16, 2023 12:29 pm

Rating: 3.13%

8 Replies

326 Views

Last post by Alun_H
Wed Feb 22, 2023 3:07 pm
Some SHG H-alpha images from yesterday

Last post by rsfoto « Tue Feb 21, 2023 10:48 pm
Replies: 3
by rsfoto » Tue Feb 21, 2023 7:56 pm

Rating: 3.13%

3 Replies

167 Views

Last post by rsfoto
Tue Feb 21, 2023 10:48 pm
SHG caK and caH

Last post by marktownley « Tue Feb 21, 2023 7:34 am
Replies: 5
by highfnum » Sat Feb 18, 2023 7:48 pm

Rating: 1.88%

5 Replies

270 Views

Last post by marktownley
Tue Feb 21, 2023 7:34 am
sun is back ! SHG solex Ha

Last post by marktownley « Mon Feb 20, 2023 10:09 pm
Replies: 3
by highfnum » Mon Feb 13, 2023 9:44 pm

Rating: 1.88%

3 Replies

202 Views

Last post by marktownley
Mon Feb 20, 2023 10:09 pm
Geomagnetic Activity 10th Feb 2023

Last post by marktownley « Sun Feb 12, 2023 11:17 am
Replies: 5
by Carbon60 » Fri Feb 10, 2023 3:45 pm

Rating: 1.25%

5 Replies

231 Views

Last post by marktownley
Sun Feb 12, 2023 11:17 am
SHG cak

Last post by Merlin66 « Sat Feb 11, 2023 3:50 am
Replies: 4
by highfnum » Wed Feb 01, 2023 10:42 pm

Rating: 1.57%

4 Replies

353 Views

Last post by Merlin66
Sat Feb 11, 2023 3:50 am
1st light NHSA SHG image in H-alpha

Last post by DeepSolar64 « Tue Feb 07, 2023 5:35 am
Replies: 35
by rsfoto » Thu Jan 26, 2023 11:24 pm
1

2
Rating: 6.9%
35 Replies

1067 Views

Last post by DeepSolar64
Tue Feb 07, 2023 5:35 am
One More Sol'Ex ...

Last post by marktownley « Tue Jan 24, 2023 8:17 pm
Replies: 15
by rsfoto » Mon Jan 16, 2023 7:35 pm

Rating: 5.64%

15 Replies

726 Views

Last post by marktownley
Tue Jan 24, 2023 8:17 pm
first test with 9u slit Ha

Last post by marktownley « Tue Jan 24, 2023 8:15 pm
Replies: 4
by highfnum » Mon Jan 16, 2023 7:29 pm

Rating: 2.19%

4 Replies

266 Views

Last post by marktownley
Tue Jan 24, 2023 8:15 pm
Halpha spectroheliogram 15th Jan 2023

Last post by Alun_H « Fri Jan 20, 2023 9:20 am
Replies: 4
by Alun_H » Sun Jan 15, 2023 10:27 pm

Rating: 2.82%

4 Replies

296 Views

Last post by Alun_H
Fri Jan 20, 2023 9:20 am
Sonification of the Aurora Borealis

Last post by Carbon60 « Thu Jan 12, 2023 6:28 pm
Replies: 5
by Carbon60 » Sun Jan 08, 2023 7:31 pm

Rating: 2.82%

5 Replies

338 Views

Last post by Carbon60
Thu Jan 12, 2023 6:28 pm
Quadrantids 2023

Last post by Carbon60 « Mon Jan 09, 2023 4:04 pm
Replies: 4
by rsfoto » Sat Dec 31, 2022 7:52 pm

Rating: 2.19%

4 Replies

260 Views

Last post by Carbon60
Mon Jan 09, 2023 4:04 pm
More results with the SolEx SHG

Last post by PDB « Thu Jan 05, 2023 7:42 am
Replies: 12
by PDB » Fri Jul 23, 2021 2:46 pm

Rating: 4.39%

12 Replies

2117 Views

Last post by PDB
Thu Jan 05, 2023 7:42 am
2022 Geomagnetic Activity Summary

Last post by DeepSolar64 « Tue Jan 03, 2023 4:56 pm
Replies: 4
by Carbon60 » Sun Jan 01, 2023 5:07 pm

Rating: 2.19%

4 Replies

259 Views

Last post by DeepSolar64
Tue Jan 03, 2023 4:56 pm
Last CAIIK spectroheliogram of 2022 and Happy 2023

Last post by DeepSolar64 « Tue Jan 03, 2023 4:47 pm
Replies: 6
by fulvio.mete » Sun Jan 01, 2023 7:57 am

Rating: 2.19%

6 Replies

306 Views

Last post by DeepSolar64
Tue Jan 03, 2023 4:47 pm
G1 Geomagnetic Storms 30th December 2022

Last post by marktownley « Mon Jan 02, 2023 2:56 am
Replies: 4
by Carbon60 » Sat Dec 31, 2022 8:56 am

Rating: 1.57%

4 Replies

240 Views

Last post by marktownley
Mon Jan 02, 2023 2:56 am
Ursid Meteors 2022

Last post by marktownley « Mon Jan 02, 2023 2:56 am
Replies: 4
by Wyvern » Tue Dec 27, 2022 2:49 pm

Rating: 2.19%

4 Replies

294 Views

Last post by marktownley
Mon Jan 02, 2023 2:56 am
Geomagnetic unrest and G1 Storm 24th December 2022

Last post by marktownley « Mon Jan 02, 2023 2:49 am
Replies: 4
by Carbon60 » Sat Dec 24, 2022 2:21 pm

Rating: 3.76%

4 Replies

256 Views

Last post by marktownley
Mon Jan 02, 2023 2:49 am
Geminids 2022

Last post by rsfoto « Tue Dec 20, 2022 6:57 pm
Replies: 14
by rsfoto » Wed Dec 14, 2022 5:49 pm

Rating: 10.34%

14 Replies

702 Views

Last post by rsfoto
Tue Dec 20, 2022 6:57 pm
Ca-H SHG full disk image with 90mm refractor -- Nov 25

Last post by Montana « Thu Dec 15, 2022 10:39 am
Replies: 9
by thesmiths » Fri Nov 25, 2022 5:14 pm

Rating: 3.45%

9 Replies

546 Views

Last post by Montana
Thu Dec 15, 2022 10:39 am
Sol'ex spectrograph

Last post by rsfoto « Wed Dec 14, 2022 8:06 pm
Replies: 5
by rsfoto » Mon Dec 05, 2022 6:43 pm

Rating: 0.94%

5 Replies

401 Views

Last post by rsfoto
Wed Dec 14, 2022 8:06 pm
Summary description of chrome on fused quartz SHG slits

Last post by thesmiths « Wed Dec 07, 2022 9:37 pm

by thesmiths » Wed Dec 07, 2022 9:37 pm

Rating: 1.25%

0 Replies

371 Views

Last post by thesmiths
Wed Dec 07, 2022 9:37 pm
Updated spectroheliograph image stacking workflow

Last post by thesmiths « Wed Dec 07, 2022 9:11 pm

by thesmiths » Wed Dec 07, 2022 9:11 pm

Rating: 0.94%

0 Replies

249 Views

Last post by thesmiths
Wed Dec 07, 2022 9:11 pm
SHG Ha USA turkey day sun

Last post by p_zetner « Wed Dec 07, 2022 1:34 am
Replies: 5
by highfnum » Thu Nov 24, 2022 7:20 pm

Rating: 1.25%

5 Replies

373 Views

Last post by p_zetner
Wed Dec 07, 2022 1:34 am
ND filter and Herschel wedge comparison

Last post by daoma2 « Mon Dec 05, 2022 6:54 pm
Replies: 12
by Alun_H » Sun Nov 13, 2022 3:46 pm

Rating: 5.64%

12 Replies

623 Views

Last post by daoma2
Mon Dec 05, 2022 6:54 pm
Updated foamboard spectroheliograph (with larger optics)

Last post by DeepSolar64 « Fri Dec 02, 2022 5:45 am
Replies: 2
by thesmiths » Mon Nov 21, 2022 3:39 pm

Rating: 1.25%

2 Replies

519 Views

Last post by DeepSolar64
Fri Dec 02, 2022 5:45 am
Design of SHG

Last post by Bastelhannes « Thu Dec 01, 2022 6:35 am
Replies: 4
by Bastelhannes » Wed Nov 30, 2022 4:28 pm

4 Replies

334 Views

Last post by Bastelhannes
Thu Dec 01, 2022 6:35 am
Leonids 2022

Last post by Wyvern « Wed Nov 30, 2022 9:23 pm
Replies: 5
by rsfoto » Tue Nov 15, 2022 2:53 pm

Rating: 2.51%

5 Replies

314 Views

Last post by Wyvern
Wed Nov 30, 2022 9:23 pm
Spectroheliograms from the 25th Nov 22

Last post by Alun_H « Tue Nov 29, 2022 8:44 pm
Replies: 8
by Alun_H » Sat Nov 26, 2022 9:21 pm

Rating: 3.13%

8 Replies

364 Views

Last post by Alun_H
Tue Nov 29, 2022 8:44 pm
lowell observatory spectrograph

Last post by thesmiths « Tue Nov 29, 2022 2:13 pm
Replies: 5
by highfnum » Sun Nov 20, 2022 5:42 pm

Rating: 0.94%

5 Replies

346 Views

Last post by thesmiths
Tue Nov 29, 2022 2:13 pm
Spectrometer study of H-beta, H-alpha filters and H-alpha etalon

Last post by KMH « Sun Nov 20, 2022 9:33 pm
Replies: 10
by thesmiths » Sun Nov 13, 2022 4:40 pm

Rating: 3.13%

10 Replies

492 Views

Last post by KMH
Sun Nov 20, 2022 9:33 pm
SHG (home made) caK and proms

Last post by Montana « Sun Nov 20, 2022 3:04 pm
Replies: 2
by highfnum » Sat Nov 19, 2022 8:18 pm

Rating: 1.88%

2 Replies

235 Views

Last post by Montana
Sun Nov 20, 2022 3:04 pm
Hbeta & Halpha spectroheliograms 221114

Last post by marktownley « Sun Nov 20, 2022 9:05 am
Replies: 20
by Alun_H » Mon Nov 14, 2022 9:20 pm

Rating: 7.84%

20 Replies

708 Views

Last post by marktownley
Sun Nov 20, 2022 9:05 am
Improving my CaK scans

Last post by Alun_H « Fri Nov 18, 2022 5:23 pm
Replies: 13
by Alun_H » Wed Nov 16, 2022 1:50 pm

Rating: 4.08%

13 Replies

449 Views

Last post by Alun_H
Fri Nov 18, 2022 5:23 pm
SHG with sol'ex and jaeger 80mm F5 classic

Last post by Alun_H « Sun Nov 13, 2022 10:19 am
Replies: 4
by highfnum » Thu Nov 10, 2022 6:50 pm

Rating: 0.94%

4 Replies

309 Views

Last post by Alun_H
Sun Nov 13, 2022 10:19 am
SHG session 221109

Last post by Alun_H « Sun Nov 13, 2022 10:14 am
Replies: 7
by Alun_H » Wed Nov 09, 2022 11:58 pm

Rating: 2.51%

7 Replies

332 Views

Last post by Alun_H
Sun Nov 13, 2022 10:14 am
SHG 3 freq

Last post by marktownley « Sat Nov 12, 2022 8:30 am
Replies: 6
by highfnum » Wed Nov 09, 2022 9:49 pm

Rating: 0.94%

6 Replies

298 Views

Last post by marktownley
Sat Nov 12, 2022 8:30 am
caH and Hbeta V3.7 solex

Last post by marktownley « Sat Nov 12, 2022 8:29 am
Replies: 5
by highfnum » Tue Nov 08, 2022 10:43 pm

Rating: 1.57%

5 Replies

274 Views

Last post by marktownley
Sat Nov 12, 2022 8:29 am
Ha and Hbeta V3.7

Last post by marktownley « Sat Nov 12, 2022 8:28 am
Replies: 3
by highfnum » Mon Nov 07, 2022 7:53 pm

Rating: 1.25%

3 Replies

231 Views

Last post by marktownley
Sat Nov 12, 2022 8:28 am
test of V3.7 solex software

Last post by marktownley « Sat Nov 12, 2022 8:25 am
Replies: 5
by highfnum » Mon Nov 07, 2022 4:23 am

Rating: 0.63%

5 Replies

259 Views

Last post by marktownley
Sat Nov 12, 2022 8:25 am
prom with open slit method

Last post by Alun_H « Tue Nov 08, 2022 9:15 am
Replies: 7
by highfnum » Thu Nov 03, 2022 7:36 pm

Rating: 2.51%

7 Replies

389 Views

Last post by Alun_H
Tue Nov 08, 2022 9:15 am
H-alpha SHG from Oct 8 -- really quite good

Last post by Montana « Tue Nov 08, 2022 7:57 am
Replies: 5
by thesmiths » Sat Oct 08, 2022 9:00 pm

Rating: 1.88%

5 Replies

391 Views

Last post by Montana
Tue Nov 08, 2022 7:57 am
H-alpha SHG through the living room window on Nov 4

Last post by StarHugger « Sun Nov 06, 2022 5:04 pm
Replies: 7
by thesmiths » Fri Nov 04, 2022 5:28 pm

Rating: 2.51%

7 Replies

411 Views

Last post by StarHugger
Sun Nov 06, 2022 5:04 pm
First light with Sol'Ex 3rd Nov 2022

Last post by Alun_H « Sun Nov 06, 2022 8:38 am
Replies: 4
by Alun_H » Thu Nov 03, 2022 5:37 pm

Rating: 2.19%

4 Replies

274 Views

Last post by Alun_H
Sun Nov 06, 2022 8:38 am
Ha solex and asi290mm

Last post by Alun_H « Sun Nov 06, 2022 8:31 am
Replies: 3
by highfnum » Thu Nov 03, 2022 7:33 pm

Rating: 1.25%

3 Replies

244 Views

Last post by Alun_H
Sun Nov 06, 2022 8:31 am
Halpha artifacts of ZWO ASI 183 mm in SHG

Last post by marktownley « Sat Nov 05, 2022 1:14 pm
Replies: 3
by fulvio.mete » Tue Nov 01, 2022 9:19 am

3 Replies

272 Views

Last post by marktownley
Sat Nov 05, 2022 1:14 pm
Some near UV images

Last post by marktownley « Sat Nov 05, 2022 1:12 pm
Replies: 3
by fulvio.mete » Mon Oct 31, 2022 4:07 pm

Rating: 1.88%

3 Replies

244 Views

Last post by marktownley
Sat Nov 05, 2022 1:12 pm
H alpha spectroheliogram 221019

Last post by Alun_H « Wed Nov 02, 2022 11:31 pm
Replies: 6
by Alun_H » Thu Oct 20, 2022 8:36 am

Rating: 2.82%

6 Replies

381 Views

Last post by Alun_H
Wed Nov 02, 2022 11:31 pm
Partial eclipse H-alpha SHG

Last post by fulvio.mete « Mon Oct 31, 2022 3:55 pm
Replies: 5
by thesmiths » Tue Oct 25, 2022 3:25 pm

Rating: 1.57%

5 Replies

345 Views

Last post by fulvio.mete
Mon Oct 31, 2022 3:55 pm
I need some help on solex camera settings

Last post by highfnum « Sun Oct 30, 2022 2:00 am
Replies: 7
by highfnum » Thu Oct 20, 2022 7:24 pm

Rating: 1.25%

7 Replies

439 Views

Last post by highfnum
Sun Oct 30, 2022 2:00 am
SHG and the eclipse

Last post by highfnum « Sun Oct 30, 2022 1:57 am
Replies: 5
by Alun_H » Tue Oct 25, 2022 12:12 pm

Rating: 2.82%

5 Replies

316 Views

Last post by highfnum
Sun Oct 30, 2022 1:57 am
Need help for ND filter for Sol’Ex

Last post by Arrakis97 « Tue Oct 25, 2022 7:59 am

by Arrakis97 » Tue Oct 25, 2022 7:59 am

0 Replies

239 Views

Last post by Arrakis97
Tue Oct 25, 2022 7:59 am
ERF sor SOl'ex

Last post by thesmiths « Thu Oct 20, 2022 11:47 pm
Replies: 3
by highfnum » Thu Oct 20, 2022 7:28 pm

3 Replies

239 Views

Last post by thesmiths
Thu Oct 20, 2022 11:47 pm
HG Ha - first decent shot with SOL'EX build

Last post by Alun_H « Wed Oct 19, 2022 10:26 pm
Replies: 7
by highfnum » Tue Oct 18, 2022 8:17 pm

Rating: 2.19%

7 Replies

357 Views

Last post by Alun_H
Wed Oct 19, 2022 10:26 pm
H-alpha SHG from Oct 18 -- a stacked hemisphere

Last post by Alun_H « Tue Oct 18, 2022 9:15 pm
Replies: 3
by thesmiths » Tue Oct 18, 2022 3:46 pm

Rating: 1.25%

3 Replies

261 Views

Last post by Alun_H
Tue Oct 18, 2022 9:15 pm
CaK & Halpha spectroheliograms 221017

Last post by Alun_H « Tue Oct 18, 2022 8:56 pm
Replies: 3
by Alun_H » Mon Oct 17, 2022 7:16 pm

Rating: 1.57%

3 Replies

236 Views

Last post by Alun_H
Tue Oct 18, 2022 8:56 pm
H-alpha SHG on 16 Oct -- it could have been better

Last post by marktownley « Tue Oct 18, 2022 7:08 pm
Replies: 5
by thesmiths » Sun Oct 16, 2022 10:14 pm

Rating: 1.88%

5 Replies

300 Views

Last post by marktownley
Tue Oct 18, 2022 7:08 pm
SHG caK first attempt with asi178MM

Last post by Montana « Sun Oct 16, 2022 4:01 pm
Replies: 4
by highfnum » Fri Oct 14, 2022 9:07 pm

Rating: 0.94%

4 Replies

261 Views

Last post by Montana
Sun Oct 16, 2022 4:01 pm
First attempt at 140mm aperture SHG in H-alpha

Last post by thesmiths « Fri Oct 14, 2022 1:16 pm
Replies: 7
by thesmiths » Wed Oct 12, 2022 5:47 pm

Rating: 2.51%

7 Replies

431 Views

Last post by thesmiths
Fri Oct 14, 2022 1:16 pm
Full-disk H-alpha SHG images from Oct 6 and 8 -- side by side

Last post by Alun_H « Thu Oct 13, 2022 8:07 am
Replies: 5
by thesmiths » Sat Oct 08, 2022 11:48 pm

Rating: 1.57%

5 Replies

384 Views

Last post by Alun_H
Thu Oct 13, 2022 8:07 am
SHG Ha

Last post by Alun_H « Thu Oct 13, 2022 8:04 am
Replies: 5
by highfnum » Tue Oct 11, 2022 6:32 pm

Rating: 0.94%

5 Replies

307 Views

Last post by Alun_H
Thu Oct 13, 2022 8:04 am
question about asi178mm

Last post by highfnum « Wed Oct 12, 2022 10:50 pm
Replies: 2
by highfnum » Wed Oct 12, 2022 8:36 pm

2 Replies

199 Views

Last post by highfnum
Wed Oct 12, 2022 10:50 pm
10 6 22 SHG

Last post by fulvio.mete « Tue Oct 11, 2022 2:59 pm
Replies: 5
by highfnum » Thu Oct 06, 2022 7:34 pm

Rating: 2.19%

5 Replies

360 Views

Last post by fulvio.mete
Tue Oct 11, 2022 2:59 pm
H-alpha SHG, Oct 6 -- good seeing

Last post by torsinadoc « Sat Oct 08, 2022 9:40 am
Replies: 8
by thesmiths » Thu Oct 06, 2022 6:09 pm

Rating: 1.88%

8 Replies

431 Views

Last post by torsinadoc
Sat Oct 08, 2022 9:40 am
my first SHG stack - caK yippe

Last post by marktownley « Sat Oct 08, 2022 7:40 am
Replies: 9
by highfnum » Fri Oct 07, 2022 12:51 am

Rating: 1.88%

9 Replies

412 Views

Last post by marktownley
Sat Oct 08, 2022 7:40 am
Photo summary of our 106mm / 720mm long-slit SHG

Last post by DeepSolar64 « Fri Oct 07, 2022 5:05 am
Replies: 5
by thesmiths » Wed Sep 28, 2022 2:54 pm

Rating: 2.19%

5 Replies

655 Views

Last post by DeepSolar64
Fri Oct 07, 2022 5:05 am
Lhires III SHG set up + images from 2nd Oct 22

Last post by DeepSolar64 « Fri Oct 07, 2022 4:51 am
Replies: 6
by Alun_H » Sun Oct 02, 2022 10:01 pm

Rating: 2.82%

6 Replies

422 Views

Last post by DeepSolar64
Fri Oct 07, 2022 4:51 am
CaK spectroheliogram 220929

Last post by Alun_H « Wed Oct 05, 2022 2:18 pm
Replies: 10
by Alun_H » Fri Sep 30, 2022 1:48 pm

Rating: 2.51%

10 Replies

492 Views

Last post by Alun_H
Wed Oct 05, 2022 2:18 pm
G1 Geomagnetic Storm 2nd-3rd October 2022

Last post by marktownley « Tue Oct 04, 2022 7:59 pm
Replies: 4
by Carbon60 » Mon Oct 03, 2022 6:55 am

Rating: 2.51%

4 Replies

309 Views

Last post by marktownley
Tue Oct 04, 2022 7:59 pm
UVEX4 by the "NicePeople"

Last post by Montana « Mon Oct 03, 2022 4:29 pm
Replies: 1
by Bastelhannes » Fri Sep 30, 2022 5:01 pm

Rating: 1.25%

1 Replies

265 Views

Last post by Montana
Mon Oct 03, 2022 4:29 pm
cak 9 29 22 but windy

Last post by Montana « Mon Oct 03, 2022 4:28 pm
Replies: 1
by highfnum » Thu Sep 29, 2022 8:54 pm

Rating: 0.63%

1 Replies

190 Views

Last post by Montana
Mon Oct 03, 2022 4:28 pm
H-alpha, H-beta and Ca-K SHG images from Sept 25

Last post by marktownley « Sat Oct 01, 2022 7:19 am
Replies: 8
by thesmiths » Sun Sep 25, 2022 4:53 pm

Rating: 3.13%

8 Replies

441 Views

Last post by marktownley
Sat Oct 01, 2022 7:19 am
G2 Geomagnetic Storm 27th September 2022

Last post by marktownley « Sat Oct 01, 2022 7:15 am
Replies: 5
by Carbon60 » Tue Sep 27, 2022 8:39 am

Rating: 3.13%

5 Replies

320 Views

Last post by marktownley
Sat Oct 01, 2022 7:15 am
CaII K3 spectroheliogram of today

Last post by Bastelhannes « Wed Sep 28, 2022 4:49 am
Replies: 4
by fulvio.mete » Tue Aug 02, 2022 4:19 pm

Rating: 1.57%

4 Replies

387 Views

Last post by Bastelhannes
Wed Sep 28, 2022 4:49 am
Ha solar scan 220923

Last post by Alun_H « Sun Sep 25, 2022 6:40 pm
Replies: 3
by Alun_H » Sat Sep 24, 2022 8:24 am

Rating: 1.57%

3 Replies

270 Views

Last post by Alun_H
Sun Sep 25, 2022 6:40 pm
First attempt at solar scan 21st Sept 22

Last post by Alun_H « Sun Sep 25, 2022 6:32 pm
Replies: 9
by Alun_H » Wed Sep 21, 2022 5:39 pm

Rating: 2.19%

9 Replies

421 Views

Last post by Alun_H
Sun Sep 25, 2022 6:32 pm
H-alpha SHG imaging from Sept 17

Last post by Bastelhannes « Sat Sep 24, 2022 12:59 pm
Replies: 16
by thesmiths » Sat Sep 17, 2022 4:23 pm

Rating: 2.19%

16 Replies

754 Views

Last post by Bastelhannes
Sat Sep 24, 2022 12:59 pm
simple SHG caK

Last post by thesmiths « Fri Sep 23, 2022 6:45 pm
Replies: 7
by highfnum » Sun Sep 18, 2022 7:13 pm

Rating: 1.57%

7 Replies

450 Views

Last post by thesmiths
Fri Sep 23, 2022 6:45 pm
New spectroheliograph assessment

Last post by thesmiths « Thu Sep 15, 2022 8:54 pm
Replies: 3
by Arrakis97 » Thu Sep 15, 2022 2:22 pm

Rating: 0.63%

3 Replies

345 Views

Last post by thesmiths
Thu Sep 15, 2022 8:54 pm
Ca II I at 8542.1A

Last post by Bastelhannes « Thu Sep 15, 2022 6:06 pm
Replies: 8
by Valery » Fri Aug 05, 2022 6:16 am

Rating: 0.94%

8 Replies

541 Views

Last post by Bastelhannes
Thu Sep 15, 2022 6:06 pm
Idea: automatic capture of spectra

Last post by thesmiths « Wed Sep 14, 2022 12:19 pm
Replies: 5
by Bastelhannes » Tue Sep 13, 2022 9:54 am

Rating: 1.88%

5 Replies

374 Views

Last post by thesmiths
Wed Sep 14, 2022 12:19 pm
Spectroheliograph stacking workflow

Last post by fulvio.mete « Sat Sep 10, 2022 3:31 pm
Replies: 6
by thesmiths » Tue Sep 06, 2022 9:33 pm

Rating: 0.94%

6 Replies

472 Views

Last post by fulvio.mete
Sat Sep 10, 2022 3:31 pm
G1 and G2 Geomagnetic Storms 3/4th September 2022

Last post by fulvio.mete « Tue Sep 06, 2022 3:56 pm
Replies: 10
by Carbon60 » Sun Sep 04, 2022 7:36 am

Rating: 3.76%

10 Replies

429 Views

Last post by fulvio.mete
Tue Sep 06, 2022 3:56 pm
Some UV lines SHG

Last post by fulvio.mete « Tue Sep 06, 2022 6:55 am
Replies: 4
by fulvio.mete » Sun Sep 04, 2022 9:17 am

Rating: 0.94%

4 Replies

305 Views

Last post by fulvio.mete
Tue Sep 06, 2022 6:55 am
Spectroheliogram in CaIIK3 light

Last post by fulvio.mete « Sat Sep 03, 2022 7:13 pm
Replies: 2
by fulvio.mete » Fri Sep 02, 2022 3:23 pm

Rating: 0.31%

2 Replies

256 Views

Last post by fulvio.mete
Sat Sep 03, 2022 7:13 pm
Spectroheliogram Fe1 at 3922

Last post by fulvio.mete « Fri Sep 02, 2022 3:46 pm
Replies: 4
by fulvio.mete » Thu Sep 01, 2022 4:26 pm

Rating: 0.94%

4 Replies

310 Views

Last post by fulvio.mete
Fri Sep 02, 2022 3:46 pm
RMO chasers Perseids 2022 ...

Last post by Carbon60 « Mon Aug 29, 2022 8:09 am
Replies: 12
by rsfoto » Sat Aug 13, 2022 3:07 am

Rating: 6.9%

12 Replies

698 Views

Last post by Carbon60
Mon Aug 29, 2022 8:09 am
Geomagnetic Activity 17th-22nd Aug 2022

Last post by Montana « Mon Aug 29, 2022 8:06 am
Replies: 4
by Carbon60 » Mon Aug 22, 2022 8:39 am

Rating: 2.51%

4 Replies

337 Views

Last post by Montana
Mon Aug 29, 2022 8:06 am
CaIIK and AlI spectroheliograms

Last post by Montana « Thu Aug 18, 2022 6:51 am
Replies: 1
by fulvio.mete » Wed Aug 17, 2022 4:14 pm

Rating: 1.25%

1 Replies

272 Views

Last post by Montana
Thu Aug 18, 2022 6:51 am
SPHEREx

Last post by Montana « Thu Aug 18, 2022 6:50 am
Replies: 1
by rsfoto » Wed Aug 17, 2022 2:26 pm

Rating: 0.31%

1 Replies

228 Views

Last post by Montana
Thu Aug 18, 2022 6:50 am
H-alpha SHG images from early morning Aug 11

Last post by thesmiths « Sun Aug 14, 2022 6:02 pm
Replies: 4
by thesmiths » Sat Aug 13, 2022 9:56 pm

Rating: 1.88%

4 Replies

469 Views

Last post by thesmiths
Sun Aug 14, 2022 6:02 pm
Comparison of H-beta and H-alpha full-disk SHG images from Aug 7

Last post by thesmiths « Sat Aug 13, 2022 2:22 am
Replies: 4
by thesmiths » Sun Aug 07, 2022 7:47 pm

Rating: 1.57%

4 Replies

448 Views

Last post by thesmiths
Sat Aug 13, 2022 2:22 am
G2 Geomagnetic Storm 7th-8th August 2022

Last post by Carbon60 « Thu Aug 11, 2022 10:02 am
Replies: 3
by Carbon60 » Mon Aug 08, 2022 1:01 pm

Rating: 1.88%

3 Replies

283 Views

Last post by Carbon60
Thu Aug 11, 2022 10:02 am
H-alpha and H-beta SHG full disk images from 7 Aug -- good seeing

Last post by marktownley « Thu Aug 11, 2022 4:01 am
Replies: 8
by thesmiths » Sun Aug 07, 2022 3:24 pm

Rating: 2.82%

8 Replies

715 Views

Last post by marktownley
Thu Aug 11, 2022 4:01 am
Comparing Ca-H and Ca-K SHG images

Last post by thesmiths « Tue Aug 09, 2022 7:33 pm
Replies: 9
by thesmiths » Mon Aug 08, 2022 2:17 pm

Rating: 3.45%

9 Replies

541 Views

Last post by thesmiths
Tue Aug 09, 2022 7:33 pm
H-alpha and Ca-H closeup SHG images -- 6 Aug

Last post by Carbon60 « Tue Aug 09, 2022 5:07 pm
Replies: 11
by thesmiths » Sat Aug 06, 2022 11:42 pm

Rating: 4.08%

11 Replies

558 Views

Last post by Carbon60
Tue Aug 09, 2022 5:07 pm
My first post - SHG build/Lenox Slits

Last post by marktownley « Tue Aug 09, 2022 12:14 pm
Replies: 7
by NM_mike » Tue Jul 26, 2022 5:37 pm

Rating: 0.63%

7 Replies

539 Views

Last post by marktownley
Tue Aug 09, 2022 12:14 pm
H-alpha and Ca-H full disk images from 6 Aug -- very good resolution

Last post by Montana « Tue Aug 09, 2022 11:51 am
Replies: 3
by thesmiths » Sat Aug 06, 2022 10:33 pm

Rating: 1.25%

3 Replies

369 Views

Last post by Montana
Tue Aug 09, 2022 11:51 am
H-alpha and Ca-K SHG images -- Aug 5

Last post by Montana « Tue Aug 09, 2022 8:18 am
Replies: 2
by thesmiths » Sat Aug 06, 2022 12:48 am

Rating: 0.94%

2 Replies

264 Views

Last post by Montana
Tue Aug 09, 2022 8:18 am
Off-band Ca-H images

Last post by Montana « Tue Aug 09, 2022 8:14 am
Replies: 3
by thesmiths » Wed Aug 03, 2022 5:15 pm

Rating: 1.25%

3 Replies

285 Views

Last post by Montana
Tue Aug 09, 2022 8:14 am
H-beta and Ca-H SHG at 480mm focal length, July 23

Last post by hopskipson « Mon Aug 08, 2022 3:06 pm
Replies: 2
by thesmiths » Sun Jul 24, 2022 3:22 pm

Rating: 0.94%

2 Replies

297 Views

Last post by hopskipson
Mon Aug 08, 2022 3:06 pm
Helium imaging -- surface features and prominences (July 16)

Last post by hopskipson « Sun Aug 07, 2022 6:09 pm
Replies: 8
by thesmiths » Sun Jul 17, 2022 12:15 am

Rating: 3.76%

8 Replies

605 Views

Last post by hopskipson
Sun Aug 07, 2022 6:09 pm
CaH and H-beta full-disk SHG images -- good resolution, July 29

Last post by thesmiths « Fri Aug 05, 2022 7:04 pm
Replies: 8
by thesmiths » Fri Jul 29, 2022 6:05 pm

Rating: 1.57%

8 Replies

566 Views

Last post by thesmiths
Fri Aug 05, 2022 7:04 pm
Delta Aquariids and Alpha Capricornids July 2022

Last post by Carbon60 « Tue Aug 02, 2022 7:33 pm
Replies: 8
by Carbon60 » Sun Jul 31, 2022 11:01 am

Rating: 3.45%

8 Replies

435 Views

Last post by Carbon60
Tue Aug 02, 2022 7:33 pm
Improving our SHG imaging optics

Last post by thesmiths « Thu Jul 28, 2022 12:54 pm
Replies: 4
by thesmiths » Tue Jul 26, 2022 12:40 am

Rating: 2.82%

4 Replies

492 Views

Last post by thesmiths
Thu Jul 28, 2022 12:54 pm
Spectacular Filament Lift-Off: A Spectroscopic Study

Last post by Montana « Tue Jul 26, 2022 6:21 am
Replies: 9
by p_zetner » Mon Jul 18, 2022 8:43 pm

Rating: 2.19%

9 Replies

707 Views

Last post by Montana
Tue Jul 26, 2022 6:21 am
Week of G1 geomagnetic storms 18th - 24th July 2022

Last post by Carbon60 « Mon Jul 25, 2022 3:40 pm
Replies: 3
by Carbon60 » Sun Jul 24, 2022 8:47 pm

Rating: 1.25%

3 Replies

242 Views

Last post by Carbon60
Mon Jul 25, 2022 3:40 pm
More Inverted SHG H-alpha "clouds on the Sun" images

Last post by Montana « Mon Jul 25, 2022 6:34 am
Replies: 1
by thesmiths » Sat Jul 23, 2022 6:28 pm

Rating: 0.63%

1 Replies

231 Views

Last post by Montana
Mon Jul 25, 2022 6:34 am
SHG Ha and HeD3 prom

Last post by highfnum « Sun Jul 24, 2022 2:00 pm
Replies: 3
by highfnum » Fri Jul 22, 2022 4:55 pm

Rating: 0.31%

3 Replies

304 Views

Last post by highfnum
Sun Jul 24, 2022 2:00 pm
G1 Geomagnetic Storm 19th July 2022

Last post by MapleRidge « Sun Jul 24, 2022 3:37 am
Replies: 7
by Carbon60 » Tue Jul 19, 2022 1:39 pm

Rating: 1.57%

7 Replies

380 Views

Last post by MapleRidge
Sun Jul 24, 2022 3:37 am
Full-disk SHG images at 656.3nm, 396.8nm and 854.2nm

Last post by marktownley « Fri Jul 22, 2022 5:52 am
Replies: 13
by thesmiths » Tue Jul 19, 2022 5:01 pm

Rating: 2.19%

13 Replies

655 Views

Last post by marktownley
Fri Jul 22, 2022 5:52 am
Off-band H-alpha images

Last post by marktownley « Fri Jul 22, 2022 5:45 am
Replies: 2
by thesmiths » Mon Jul 18, 2022 1:58 pm

Rating: 1.25%

2 Replies

295 Views

Last post by marktownley
Fri Jul 22, 2022 5:45 am
Improved H-alpha SHG high-resolution imaging from morning of 11 July

Last post by marktownley « Fri Jul 22, 2022 5:42 am
Replies: 11
by thesmiths » Mon Jul 11, 2022 2:23 pm

Rating: 4.39%

11 Replies

736 Views

Last post by marktownley
Fri Jul 22, 2022 5:42 am
Geomagnetic storm tomorrow

Last post by marktownley « Fri Jul 22, 2022 5:38 am
Replies: 1
by rsfoto » Mon Jul 18, 2022 9:04 pm

Rating: 0.63%

1 Replies

199 Views

Last post by marktownley
Fri Jul 22, 2022 5:38 am
More high-res H-alpha SHG images (July 16)

Last post by marktownley « Fri Jul 22, 2022 5:33 am
Replies: 2
by thesmiths » Sat Jul 16, 2022 6:16 pm

Rating: 0.94%

2 Replies

255 Views

Last post by marktownley
Fri Jul 22, 2022 5:33 am
High-resolution spectroheliograph images (July 16) -- inverted! -- Clouds on the Sun

Last post by DeepSolar64 « Sun Jul 17, 2022 7:13 pm
Replies: 9
by thesmiths » Sat Jul 16, 2022 6:34 pm

Rating: 2.51%

9 Replies

539 Views

Last post by DeepSolar64
Sun Jul 17, 2022 7:13 pm
Spectroheliograph imaging experiments at 656.3 and 854.2 nm

Last post by Valery « Sun Jul 17, 2022 1:57 am
Replies: 9
by thesmiths » Fri Jul 15, 2022 5:24 pm

Rating: 1.57%

9 Replies

611 Views

Last post by Valery
Sun Jul 17, 2022 1:57 am
H-alpha spectroheliograph image of AR 3057, 3053, 3056, 3055

Last post by ffellah « Fri Jul 15, 2022 10:21 am
Replies: 5
by thesmiths » Thu Jul 14, 2022 5:09 pm

Rating: 2.51%

5 Replies

410 Views

Last post by ffellah
Fri Jul 15, 2022 10:21 am
H-alpha SHG full-disk and high-resolution, morning of July 14

Last post by Montana « Fri Jul 15, 2022 7:39 am
Replies: 2
by thesmiths » Thu Jul 14, 2022 1:18 pm

Rating: 0.31%

2 Replies

326 Views

Last post by Montana
Fri Jul 15, 2022 7:39 am
Measurement of magnetic field of AR 3053 and 3055 through Zeeman effect

Last post by Montana « Fri Jul 15, 2022 7:38 am
Replies: 5
by fulvio.mete » Tue Jul 12, 2022 3:22 pm

Rating: 0.31%

5 Replies

422 Views

Last post by Montana
Fri Jul 15, 2022 7:38 am
phi Piscids from today

Last post by rsfoto « Tue Jul 12, 2022 1:51 pm
Replies: 2
by rsfoto » Sun Jul 10, 2022 2:25 pm

Rating: 0.94%

2 Replies

245 Views

Last post by rsfoto
Tue Jul 12, 2022 1:51 pm
yippee to me my first HeD3 prom

Last post by Montana « Tue Jul 12, 2022 9:30 am
Replies: 1
by highfnum » Mon Jul 11, 2022 4:25 pm

Rating: 0.31%

1 Replies

232 Views

Last post by Montana
Tue Jul 12, 2022 9:30 am
just an old fashion Ha SHG view

Last post by Montana « Tue Jul 12, 2022 9:28 am
Replies: 1
by highfnum » Sun Jul 10, 2022 11:41 pm

Rating: 0.63%

1 Replies

239 Views

Last post by Montana
Tue Jul 12, 2022 9:28 am
cak cah hb SHG

Last post by Montana « Tue Jul 12, 2022 9:26 am
Replies: 1
by highfnum » Sun Jul 10, 2022 10:37 am

Rating: 0.63%

1 Replies

222 Views

Last post by Montana
Tue Jul 12, 2022 9:26 am
Hydrogen alpha spectral shift video and gif

Last post by Montana « Tue Jul 12, 2022 9:24 am
Replies: 1
by thesmiths » Sun Jul 10, 2022 12:40 am

Rating: 0.63%

1 Replies

272 Views

Last post by Montana
Tue Jul 12, 2022 9:24 am
Full-disk H-alpha, beta SHG -- stacking, high resolution

Last post by thesmiths « Sat Jul 09, 2022 9:58 pm
Replies: 10
by thesmiths » Fri Jul 08, 2022 4:52 pm

Rating: 2.19%

10 Replies

593 Views

Last post by thesmiths
Sat Jul 09, 2022 9:58 pm
CaH SHG 80mm f6 stacked image

Last post by marktownley « Sat Jul 09, 2022 8:33 pm
Replies: 5
by thesmiths » Thu Jul 07, 2022 10:16 pm

Rating: 0.63%

5 Replies

397 Views

Last post by marktownley
Sat Jul 09, 2022 8:33 pm
H-alpha and H-beta SHG mosaics

Last post by thesmiths « Fri Jul 08, 2022 8:59 pm
Replies: 7
by thesmiths » Mon Jul 04, 2022 12:09 am

Rating: 1.25%

7 Replies

419 Views

Last post by thesmiths
Fri Jul 08, 2022 8:59 pm
Ha spectroheliogram with SHG soft 3.4

Last post by Montana « Fri Jul 08, 2022 6:34 am
Replies: 1
by fulvio.mete » Thu Jul 07, 2022 3:40 pm

Rating: 0.31%

1 Replies

227 Views

Last post by Montana
Fri Jul 08, 2022 6:34 am
Twin G1 Geomagnetic Storms

Last post by rsfoto « Thu Jul 07, 2022 3:11 pm
Replies: 4
by Carbon60 » Tue Jul 05, 2022 6:18 am

Rating: 1.88%

4 Replies

290 Views

Last post by rsfoto
Thu Jul 07, 2022 3:11 pm
CaK 600mm FL full-disk SHG image -- with stacking!

Last post by marktownley « Wed Jul 06, 2022 9:30 pm
Replies: 12
by thesmiths » Tue Jun 21, 2022 8:23 pm

Rating: 5.02%

12 Replies

796 Views

Last post by marktownley
Wed Jul 06, 2022 9:30 pm
Stacking an SHG H-alpha image -- first attempt at stacking a large number of frames

Last post by Montana « Tue Jul 05, 2022 1:50 pm
Replies: 5
by thesmiths » Mon Jul 04, 2022 1:43 pm

Rating: 0.63%

5 Replies

450 Views

Last post by Montana
Tue Jul 05, 2022 1:50 pm
G1 Geomagnetic Storm 1st-2nd July 2022

Last post by Carbon60 « Tue Jul 05, 2022 4:47 am
Replies: 6
by Carbon60 » Sat Jul 02, 2022 4:17 pm

Rating: 2.51%

6 Replies

365 Views

Last post by Carbon60
Tue Jul 05, 2022 4:47 am
23June2022: AR13038 - Spectral sweep through H alpha.

Last post by highfnum « Sun Jul 03, 2022 11:12 pm
Replies: 6
by p_zetner » Sun Jul 03, 2022 1:20 am

Rating: 1.88%

6 Replies

374 Views

Last post by highfnum
Sun Jul 03, 2022 11:12 pm
some open slit photo - videos

Last post by highfnum « Sun Jul 03, 2022 2:45 pm
Replies: 8
by highfnum » Tue Jun 21, 2022 2:29 pm

Rating: 2.19%

8 Replies

546 Views

Last post by highfnum
Sun Jul 03, 2022 2:45 pm
23June2022: H alpha prominence spectral analysis

Last post by p_zetner « Sun Jul 03, 2022 12:40 am
Replies: 4
by p_zetner » Wed Jun 29, 2022 6:40 pm

Rating: 1.25%

4 Replies

369 Views

Last post by p_zetner
Sun Jul 03, 2022 12:40 am
SHG filament dance

Last post by marktownley « Sat Jul 02, 2022 9:01 am
Replies: 4
by highfnum » Thu Jun 30, 2022 3:42 pm

Rating: 0.63%

4 Replies

350 Views

Last post by marktownley
Sat Jul 02, 2022 9:01 am
23May2022: UV Spectroheliograms

Last post by Montana « Fri Jul 01, 2022 7:57 am
Replies: 3
by p_zetner » Thu Jun 30, 2022 12:05 am

Rating: 1.88%

3 Replies

322 Views

Last post by Montana
Fri Jul 01, 2022 7:57 am
23June2022: The Fraunhofer Four

Last post by p_zetner « Wed Jun 29, 2022 11:52 pm
Replies: 6
by p_zetner » Mon Jun 27, 2022 8:04 pm

Rating: 2.19%

6 Replies

415 Views

Last post by p_zetner
Wed Jun 29, 2022 11:52 pm
Periodic Table of emission spectra

Last post by p_zetner « Tue Jun 28, 2022 3:26 pm
Replies: 6
by Hiernst » Mon Jun 27, 2022 6:20 pm

Rating: 1.25%

6 Replies

410 Views

Last post by p_zetner
Tue Jun 28, 2022 3:26 pm
the big prominence and eruptive emission within...(june 23rd)

Last post by highfnum « Fri Jun 24, 2022 8:13 pm
Replies: 9
by ChrisHalpha2017 » Thu Jun 23, 2022 8:56 am

Rating: 5.64%

9 Replies

594 Views

Last post by highfnum
Fri Jun 24, 2022 8:13 pm
H-beta, H-alpha, CaH high-resolution SHG images, June 22

Last post by thesmiths « Thu Jun 23, 2022 7:55 pm
Replies: 6
by thesmiths » Wed Jun 22, 2022 9:03 pm

Rating: 1.57%

6 Replies

443 Views

Last post by thesmiths
Thu Jun 23, 2022 7:55 pm
eruption this morning June 21st 2022

Last post by marktownley « Thu Jun 23, 2022 7:51 pm
Replies: 1
by ChrisHalpha2017 » Tue Jun 21, 2022 9:01 pm

Rating: 1.25%

1 Replies

219 Views

Last post by marktownley
Thu Jun 23, 2022 7:51 pm
proms of June 17th 18th and ...19th...

Last post by marktownley « Tue Jun 21, 2022 6:32 pm
Replies: 3
by ChrisHalpha2017 » Mon Jun 20, 2022 7:58 pm

Rating: 1.25%

3 Replies

326 Views

Last post by marktownley
Tue Jun 21, 2022 6:32 pm
H-alpha and CaK full-disk SHG images -- plus CaK proms

Last post by ChrisHalpha2017 « Mon Jun 20, 2022 8:00 pm
Replies: 9
by thesmiths » Wed Jun 15, 2022 7:54 pm

Rating: 1.57%

9 Replies

647 Views

Last post by ChrisHalpha2017
Mon Jun 20, 2022 8:00 pm
H-beta and H-alpha, full-disk SHG at 700mm FL (and a big ejection)

Last post by Montana « Sun Jun 19, 2022 2:20 pm
Replies: 6
by thesmiths » Fri Jun 17, 2022 7:37 pm

Rating: 2.19%

6 Replies

435 Views

Last post by Montana
Sun Jun 19, 2022 2:20 pm
proms of today June 16th 2022...evolution and comparison

Last post by ChrisHalpha2017 « Fri Jun 17, 2022 9:35 am
Replies: 3
by ChrisHalpha2017 » Thu Jun 16, 2022 4:34 pm

Rating: 1.57%

3 Replies

305 Views

Last post by ChrisHalpha2017
Fri Jun 17, 2022 9:35 am
beautiffull prom this morning June 16th

Last post by ChrisHalpha2017 « Fri Jun 17, 2022 5:30 am
Replies: 8
by ChrisHalpha2017 » Thu Jun 16, 2022 9:17 am

Rating: 5.02%

8 Replies

481 Views

Last post by ChrisHalpha2017
Fri Jun 17, 2022 5:30 am
22May2022 Spectroheliograms - Part 2 - Fraunhofer Four

Last post by p_zetner « Fri Jun 17, 2022 2:51 am
Replies: 3
by p_zetner » Thu Jun 16, 2022 2:26 am

Rating: 1.25%

3 Replies

349 Views

Last post by p_zetner
Fri Jun 17, 2022 2:51 am
Request for SHG owners

Last post by ChrisHalpha2017 « Thu Jun 16, 2022 4:49 pm
Replies: 16
by ChrisHalpha2017 » Fri Jun 10, 2022 10:48 am

Rating: 3.45%

16 Replies

830 Views

Last post by ChrisHalpha2017
Thu Jun 16, 2022 4:49 pm
Minor G1 Geomagnetic Storm 15th June 2022

Last post by Montana « Thu Jun 16, 2022 10:49 am
Replies: 1
by Carbon60 » Wed Jun 15, 2022 8:45 pm

Rating: 0.94%

1 Replies

214 Views

Last post by Montana
Thu Jun 16, 2022 10:49 am
Daytime Arietid results 2022

Last post by rsfoto « Wed Jun 15, 2022 10:40 pm
Replies: 11
by Wyvern » Sun Jun 12, 2022 8:22 pm

Rating: 1.88%

11 Replies

598 Views

Last post by rsfoto
Wed Jun 15, 2022 10:40 pm
Improved full-disk SHG H-alpha imaging at 700mm FL

Last post by thesmiths « Wed Jun 15, 2022 7:14 pm
Replies: 7
by thesmiths » Wed Jun 15, 2022 12:22 am

Rating: 1.25%

7 Replies

521 Views

Last post by thesmiths
Wed Jun 15, 2022 7:14 pm
Thermal testing of 9mm-wide fused quartz SHG slit

Last post by thesmiths « Tue Jun 14, 2022 4:59 pm
Replies: 5
by thesmiths » Thu Jun 09, 2022 2:09 pm

Rating: 0.94%

5 Replies

478 Views

Last post by thesmiths
Tue Jun 14, 2022 4:59 pm
proms of sunday June 12th

Last post by ChrisHalpha2017 « Mon Jun 13, 2022 8:18 am
Replies: 6
by ChrisHalpha2017 » Sun Jun 12, 2022 5:25 pm

Rating: 3.13%

6 Replies

399 Views

Last post by ChrisHalpha2017
Mon Jun 13, 2022 8:18 am
22May2022 Spectroheliograms - Part 1 - Halpha

Last post by Montana « Mon Jun 13, 2022 7:26 am
Replies: 5
by p_zetner » Tue May 31, 2022 10:37 pm

Rating: 1.88%

5 Replies

461 Views

Last post by Montana
Mon Jun 13, 2022 7:26 am
prom of today June 10th 2022

Last post by Montana « Mon Jun 13, 2022 7:25 am
Replies: 6
by ChrisHalpha2017 » Fri Jun 10, 2022 12:55 pm

Rating: 3.45%

6 Replies

421 Views

Last post by Montana
Mon Jun 13, 2022 7:25 am
First full-disk SHG image at 700mm FL with new chrome-on-quartz slit

Last post by Montana « Mon Jun 13, 2022 7:24 am
Replies: 2
by thesmiths » Sat Jun 11, 2022 1:04 am

Rating: 0.94%

2 Replies

359 Views

Last post by Montana
Mon Jun 13, 2022 7:24 am
from later jun 9 SHG and open slit

Last post by Montana « Mon Jun 13, 2022 7:20 am
Replies: 4
by highfnum » Fri Jun 10, 2022 7:58 am

Rating: 1.88%

4 Replies

334 Views

Last post by Montana
Mon Jun 13, 2022 7:20 am
prom of the day June 9th 2022....

Last post by Montana « Mon Jun 13, 2022 7:18 am
Replies: 5
by ChrisHalpha2017 » Thu Jun 09, 2022 8:49 pm

Rating: 3.45%

5 Replies

398 Views

Last post by Montana
Mon Jun 13, 2022 7:18 am
Custom-made fused quartz slits for SHG -- 9 micron x 12 mm

Last post by p_zetner « Sat Jun 11, 2022 4:37 pm
Replies: 6
by thesmiths » Thu Jun 09, 2022 12:04 am

Rating: 1.88%

6 Replies

625 Views

Last post by p_zetner
Sat Jun 11, 2022 4:37 pm
Detection of Zeeman effect on AR 3014

Last post by fulvio.mete « Fri Jun 10, 2022 7:36 pm
Replies: 9
by fulvio.mete » Fri May 20, 2022 8:13 pm

Rating: 1.57%

9 Replies

687 Views

Last post by fulvio.mete
Fri Jun 10, 2022 7:36 pm
proms of June 7th and 8th

Last post by ChrisHalpha2017 « Thu Jun 09, 2022 8:45 pm
Replies: 12
by ChrisHalpha2017 » Wed Jun 08, 2022 1:57 pm

Rating: 4.7%

12 Replies

582 Views

Last post by ChrisHalpha2017
Thu Jun 09, 2022 8:45 pm
73P/Schwassmann-Wachmann meteor shower

Last post by rsfoto « Thu Jun 09, 2022 2:06 pm
Replies: 14
by rsfoto » Mon May 30, 2022 2:28 pm

Rating: 7.52%

14 Replies

815 Views

Last post by rsfoto
Thu Jun 09, 2022 2:06 pm
Ha spectroheliogram of today

Last post by fulvio.mete « Thu Jun 09, 2022 10:13 am
Replies: 3
by fulvio.mete » Wed Jun 08, 2022 5:06 pm

Rating: 1.88%

3 Replies

299 Views

Last post by fulvio.mete
Thu Jun 09, 2022 10:13 am
UK Magnetometer back in service- June 5th 2022

Last post by fulvio.mete « Tue Jun 07, 2022 7:31 pm
Replies: 4
by Carbon60 » Mon Jun 06, 2022 9:03 am

Rating: 0.94%

4 Replies

349 Views

Last post by fulvio.mete
Tue Jun 07, 2022 7:31 pm
June 6th 2022 observation in the morning

Last post by fulvio.mete « Mon Jun 06, 2022 7:39 pm
Replies: 8
by ChrisHalpha2017 » Mon Jun 06, 2022 9:24 am

Rating: 5.64%

8 Replies

477 Views

Last post by fulvio.mete
Mon Jun 06, 2022 7:39 pm
prom of the day JUNE 2nd, 2022 with spectro coronograph

Last post by Montana « Fri Jun 03, 2022 6:33 pm
Replies: 2
by ChrisHalpha2017 » Thu Jun 02, 2022 9:29 pm

Rating: 1.57%

2 Replies

325 Views

Last post by Montana
Fri Jun 03, 2022 6:33 pm
my first attempt at open slit method

Last post by fulvio.mete « Wed Jun 01, 2022 7:02 pm
Replies: 4
by highfnum » Sun May 29, 2022 3:37 pm

Rating: 0.94%

4 Replies

383 Views

Last post by fulvio.mete
Wed Jun 01, 2022 7:02 pm
prom of last sunday 29th May 2022 with spectro coronograph

Last post by Montana « Wed Jun 01, 2022 6:54 am
Replies: 2
by ChrisHalpha2017 » Tue May 31, 2022 9:41 am

Rating: 0.94%

2 Replies

257 Views

Last post by Montana
Wed Jun 01, 2022 6:54 am
prom and eruption from yesterday friday may 27th

Last post by Montana « Mon May 30, 2022 4:47 pm
Replies: 2
by ChrisHalpha2017 » Sat May 28, 2022 11:07 am

Rating: 2.82%

2 Replies

326 Views

Last post by Montana
Mon May 30, 2022 4:47 pm
SHG partial scans Ha and CaK

Last post by Montana « Fri May 27, 2022 9:12 am
Replies: 4
by highfnum » Tue May 24, 2022 9:58 am

Rating: 0.94%

4 Replies

375 Views

Last post by Montana
Fri May 27, 2022 9:12 am
session of May 21st 2022

Last post by Montana « Fri May 27, 2022 7:11 am
Replies: 5
by ChrisHalpha2017 » Mon May 23, 2022 10:41 am

Rating: 2.19%

5 Replies

391 Views

Last post by Montana
Fri May 27, 2022 7:11 am
huge prominence yesterday May 18th 2022

Last post by p_zetner « Fri May 20, 2022 8:57 pm
Replies: 8
by ChrisHalpha2017 » Thu May 19, 2022 7:53 am

Rating: 4.39%

8 Replies

525 Views

Last post by p_zetner
Fri May 20, 2022 8:57 pm
proms May 15th and 16th with spectro in Littrow mode

Last post by ChrisHalpha2017 « Thu May 19, 2022 8:00 am
Replies: 5
by ChrisHalpha2017 » Mon May 16, 2022 10:44 pm

Rating: 2.19%

5 Replies

429 Views

Last post by ChrisHalpha2017
Thu May 19, 2022 8:00 am
proms of the day May 17th and forgotten from yesterday

Last post by fulvio.mete « Wed May 18, 2022 3:24 pm
Replies: 5
by ChrisHalpha2017 » Tue May 17, 2022 8:15 pm

Rating: 1.25%

5 Replies

373 Views

Last post by fulvio.mete
Wed May 18, 2022 3:24 pm
Halpha spectroheliogram of today

Last post by fulvio.mete « Tue May 17, 2022 6:56 pm
Replies: 3
by fulvio.mete » Mon May 16, 2022 7:38 pm

Rating: 0.63%

3 Replies

326 Views

Last post by fulvio.mete
Tue May 17, 2022 6:56 pm
H alpha spectroheliograms comparison

Last post by marktownley « Mon May 16, 2022 7:23 pm
Replies: 4
by fulvio.mete » Wed May 11, 2022 3:48 pm

Rating: 0.94%

4 Replies

470 Views

Last post by marktownley
Mon May 16, 2022 7:23 pm
Surplus Shed Optical Slit

Last post by highfnum « Thu May 12, 2022 3:39 pm
Replies: 4
by Bob Yoesle » Wed Mar 30, 2022 5:26 pm

Rating: 0.94%

4 Replies

515 Views

Last post by highfnum
Thu May 12, 2022 3:39 pm
Eta Aquarids 2022

Last post by Wyvern « Wed May 11, 2022 8:37 pm
Replies: 1
by rsfoto » Wed May 11, 2022 4:03 pm

Rating: 1.25%

1 Replies

265 Views

Last post by Wyvern
Wed May 11, 2022 8:37 pm
SHG cak and spectrum prom line

Last post by fulvio.mete « Wed May 11, 2022 12:07 pm
Replies: 4
by highfnum » Tue May 10, 2022 10:54 am

Rating: 0.94%

4 Replies

374 Views

Last post by fulvio.mete
Wed May 11, 2022 12:07 pm
Krypton line - spectroscopy

Last post by p_zetner « Thu May 05, 2022 3:39 pm
Replies: 14
by Montana » Tue May 03, 2022 11:30 am

Rating: 4.39%

14 Replies

999 Views

Last post by p_zetner
Thu May 05, 2022 3:39 pm
H alpha spectroheliograms of today

Last post by fulvio.mete « Wed May 04, 2022 2:28 pm
Replies: 6
by fulvio.mete » Wed Apr 27, 2022 5:20 pm

Rating: 0.94%

6 Replies

549 Views

Last post by fulvio.mete
Wed May 04, 2022 2:28 pm
Start your engines ... Lyrids 2022 are coming

Last post by marktownley « Sun May 01, 2022 11:14 am
Replies: 6
by rsfoto » Thu Apr 21, 2022 4:14 pm

Rating: 3.76%

6 Replies

608 Views

Last post by marktownley
Sun May 01, 2022 11:14 am
specgrams Ha vs Hbeta

Last post by highfnum « Wed Apr 27, 2022 11:19 pm
Replies: 7
by highfnum » Fri Apr 22, 2022 10:31 pm

Rating: 1.57%

7 Replies

541 Views

Last post by highfnum
Wed Apr 27, 2022 11:19 pm
Spectroheliography in UV light

Last post by fulvio.mete « Tue Apr 26, 2022 5:58 pm
Replies: 7
by fulvio.mete » Fri Apr 22, 2022 5:23 pm

Rating: 1.25%

7 Replies

574 Views

Last post by fulvio.mete
Tue Apr 26, 2022 5:58 pm
Spectroheliography in CN light

Last post by fulvio.mete « Tue Apr 26, 2022 9:10 am
Replies: 12
by fulvio.mete » Sun Apr 24, 2022 2:40 pm

Rating: 2.82%

12 Replies

763 Views

Last post by fulvio.mete
Tue Apr 26, 2022 9:10 am
CaII H spectroheliogram

Last post by p_zetner « Mon Apr 25, 2022 7:50 pm
Replies: 7
by fulvio.mete » Mon Apr 25, 2022 7:47 am

Rating: 1.25%

7 Replies

502 Views

Last post by p_zetner
Mon Apr 25, 2022 7:50 pm
Comments on Solar Radio Astronomy

Last post by p_zetner « Wed Apr 20, 2022 1:08 am
Replies: 6
by p_zetner » Sun Apr 17, 2022 9:25 pm

Rating: 3.45%

6 Replies

627 Views

Last post by p_zetner
Wed Apr 20, 2022 1:08 am
How to start in Solar Radio? Radio astronomy in general?

Last post by rsfoto « Sun Apr 17, 2022 6:01 pm
Replies: 17
by MalVeauX » Mon Apr 11, 2022 2:19 pm

Rating: 5.64%

17 Replies

1186 Views

Last post by rsfoto
Sun Apr 17, 2022 6:01 pm
shg Ha caK

Last post by p_zetner « Sun Apr 17, 2022 3:03 am
Replies: 4
by highfnum » Fri Apr 15, 2022 6:47 pm

Rating: 1.88%

4 Replies

399 Views

Last post by p_zetner
Sun Apr 17, 2022 3:03 am
G3 Geomagnetic Storm April 10th 2022

Last post by Carbon60 « Tue Apr 12, 2022 5:59 am
Replies: 4
by Carbon60 » Sun Apr 10, 2022 3:07 pm

Rating: 1.25%

4 Replies

386 Views

Last post by Carbon60
Tue Apr 12, 2022 5:59 am
G1 Geomagnetic Storm 31st March 2022

Last post by Carbon60 « Tue Apr 05, 2022 3:51 pm
Replies: 5
by Carbon60 » Thu Mar 31, 2022 7:04 am

Rating: 0.94%

5 Replies

590 Views

Last post by Carbon60
Tue Apr 05, 2022 3:51 pm
Spectroheliograms recorded last summer.

Last post by marktownley « Sun Apr 03, 2022 10:15 am
Replies: 10
by p_zetner » Fri Mar 18, 2022 3:22 pm

Rating: 5.96%

10 Replies

1019 Views

Last post by marktownley
Sun Apr 03, 2022 10:15 am
Rainer's quest to build a magnetometer

Last post by rsfoto « Sat Apr 02, 2022 3:26 pm
Replies: 46
by Carbon60 » Tue Mar 15, 2022 4:14 pm
1

2
Rating: 5.02%
46 Replies

3105 Views

Last post by rsfoto
Sat Apr 02, 2022 3:26 pm
G2 Geomagnetic Storm (CME Impact) 13th-14th March 2022

Last post by rsfoto « Fri Mar 18, 2022 8:31 pm
Replies: 9
by Carbon60 » Mon Mar 14, 2022 7:49 am

Rating: 5.33%

9 Replies

841 Views

Last post by rsfoto
Fri Mar 18, 2022 8:31 pm
Dipping my Toe into Spectroscopy

Last post by Merlin66 « Mon Mar 14, 2022 12:21 am
Replies: 24
by Carbon60 » Thu Mar 03, 2022 9:05 am

Rating: 9.4%

24 Replies

1873 Views

Last post by Merlin66
Mon Mar 14, 2022 12:21 am
G1 Geomagnetic Storms 5th - 6th March 2022

Last post by Carbon60 « Mon Mar 07, 2022 4:41 pm
Replies: 3
by Carbon60 » Sun Mar 06, 2022 3:55 pm

Rating: 1.57%

3 Replies

444 Views

Last post by Carbon60
Mon Mar 07, 2022 4:41 pm

New Topic

958 topics

Return to Board Index

Forum permissions

You cannot post new topics in this forum
You cannot reply to topics in this forum
You cannot edit your posts in this forum
You cannot delete your posts in this forum
You cannot post attachments in this forum