Solar Radio, Magnetometry and Spectroscopy

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"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

438 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

6301 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

5244 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

7825 Views

Last post by marktownley
Sat Nov 12, 2022 8:33 am
Very nice resolution H-alpha SHG full disk image -- 4 June

Last post by thesmiths « Mon Jun 05, 2023 12:28 am

by thesmiths » Mon Jun 05, 2023 12:28 am

0 Replies

8 Views

Last post by thesmiths
Mon Jun 05, 2023 12:28 am
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: 0.94%

3 Replies

50 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

2 Replies

62 Views

Last post by rsfoto
Sun Jun 04, 2023 3:56 pm
The Big SHG from Down Under -- Maurice's 100mm f/9

Last post by rsfoto « Sun Jun 04, 2023 3:34 pm
Replies: 12
by thesmiths » Fri Jun 02, 2023 9:49 pm

Rating: 2.51%

12 Replies

203 Views

Last post by rsfoto
Sun Jun 04, 2023 3:34 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: 0.31%

4 Replies

71 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: 0.94%

6 Replies

86 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: 0.31%

0 Replies

46 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

312 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

97 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

75 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

41 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

64 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

58 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

130 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

152 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

80 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

66 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

224 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

138 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

108 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

143 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

84 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

80 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

181 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

188 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

96 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

88 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

311 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

113 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

122 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

80 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

107 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

66 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

99 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

305 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

101 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

4212 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

488 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

219 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

142 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

118 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

134 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

89 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

307 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

506 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

184 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

468 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

270 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

164 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

447 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

349 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

251 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

273 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

228 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

212 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

391 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

514 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

368 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

300 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

210 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

272 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

212 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

333 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

153 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

244 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

190 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

123 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

161 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

126 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

158 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

172 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

155 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

105 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

314 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

141 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: 1.25%

1 Replies

128 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

214 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

267 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

200 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

157 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

139 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

116 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

137 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

215 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

224 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

646 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

342 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

474 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

279 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

183 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

421 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

209 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

498 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

876 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

328 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

320 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

164 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

268 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

200 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

228 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

351 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

1062 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

721 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

265 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

291 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

334 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

257 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

2111 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

258 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

305 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

238 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

292 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

255 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

700 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

543 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

398 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

369 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

248 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

371 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

619 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

516 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

332 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

313 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

361 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

344 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

490 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

233 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

704 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

444 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

306 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

321 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

295 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

272 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

230 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

257 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

388 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

386 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

407 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

270 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

243 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

271 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

243 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

376 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

342 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

437 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

313 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

238 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

236 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

355 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

257 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

230 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

298 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

258 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

429 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

381 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

304 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

198 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

358 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

430 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

409 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

653 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

419 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

487 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

307 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

264 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

187 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

440 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

317 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

382 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

268 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

418 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

751 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

449 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

343 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

540 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

369 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

471 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

425 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

304 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

255 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

309 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

690 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

336 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

271 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

227 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

467 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

445 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

282 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

713 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

540 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

555 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

529 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

368 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

263 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

280 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

296 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

600 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

562 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

434 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

491 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

704 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

241 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

228 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

299 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

379 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

654 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

294 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

733 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

197 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

254 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

538 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

609 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

409 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

421 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

244 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

231 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

237 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

592 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

395 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

418 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

225 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

289 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

792 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

447 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

363 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

371 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

545 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

413 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

408 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

593 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

304 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

477 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

826 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

212 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

589 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

519 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

476 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

419 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

356 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

394 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

621 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

684 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

581 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

811 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

473 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

323 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

256 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

324 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

373 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

428 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

469 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

264 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

372 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

995 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

548 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

607 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

540 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

626 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

1184 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

587 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

1015 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

3099 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

836 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

1871 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

442 Views

Last post by Carbon60
Mon Mar 07, 2022 4:41 pm
G1 Geomagnetic Storm 20th Feb 2022

Last post by marktownley « Thu Feb 24, 2022 7:59 am
Replies: 7
by Carbon60 » Sun Feb 20, 2022 7:35 pm

Rating: 2.51%

7 Replies

751 Views

Last post by marktownley
Thu Feb 24, 2022 7:59 am
CME and Geoeffective Wake 9th - 11th Feb 2022

Last post by Carbon60 « Sun Feb 13, 2022 6:27 am
Replies: 4
by Carbon60 » Fri Feb 11, 2022 7:56 am

Rating: 1.57%

4 Replies

722 Views

Last post by Carbon60
Sun Feb 13, 2022 6:27 am
CME and Geoeffective Wake 5th Feb 2022

Last post by Carbon60 « Fri Feb 11, 2022 7:43 am
Replies: 10
by Carbon60 » Sat Feb 05, 2022 10:13 am

Rating: 4.08%

10 Replies

849 Views

Last post by Carbon60
Fri Feb 11, 2022 7:43 am

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