Solar Radio, Magnetometry and Spectroscopy

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RMO chasers Perseids 2022 ...

Last post by Carbon60 « Mon Aug 15, 2022 7:41 pm
Replies: 7
by rsfoto » Sat Aug 13, 2022 3:07 am

Rating: 6.37%

7 Replies

107 Views

Last post by Carbon60
Mon Aug 15, 2022 7:41 pm
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: 2.45%

4 Replies

99 Views

Last post by thesmiths
Sun Aug 14, 2022 6:02 pm
H-alpha and H-beta 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: 2.45%

4 Replies

137 Views

Last post by thesmiths
Sat Aug 13, 2022 2:22 am
Ca II I at 8542.1A

Last post by Valery « Fri Aug 12, 2022 8:36 pm
Replies: 5
by Valery » Fri Aug 05, 2022 6:16 am

Rating: 1.47%

5 Replies

103 Views

Last post by Valery
Fri Aug 12, 2022 8:36 pm
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: 2.94%

3 Replies

69 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: 4.41%

8 Replies

187 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: 5.39%

9 Replies

126 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: 6.37%

11 Replies

135 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: 0.98%

7 Replies

208 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: 1.96%

3 Replies

120 Views

Last post by Montana
Tue Aug 09, 2022 11:51 am
CaII K3 spectroheliogram of today

Last post by Montana « Tue Aug 09, 2022 8:20 am
Replies: 3
by fulvio.mete » Tue Aug 02, 2022 4:19 pm

Rating: 1.96%

3 Replies

97 Views

Last post by Montana
Tue Aug 09, 2022 8:20 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: 1.47%

2 Replies

67 Views

Last post by Montana
Tue Aug 09, 2022 8:18 am
large prom with open slit

Last post by Montana « Tue Aug 09, 2022 8:15 am
Replies: 3
by highfnum » Wed Aug 03, 2022 6:17 pm

Rating: 1.96%

3 Replies

71 Views

Last post by Montana
Tue Aug 09, 2022 8:15 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: 1.96%

3 Replies

75 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: 1.47%

2 Replies

96 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: 5.88%

8 Replies

231 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: 2.45%

8 Replies

202 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: 5.39%

8 Replies

104 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: 3.92%

4 Replies

199 Views

Last post by thesmiths
Thu Jul 28, 2022 12:54 pm
nice prom with open slit method

Last post by highfnum « Thu Jul 28, 2022 12:06 pm
Replies: 4
by highfnum » Wed Jul 20, 2022 3:03 pm

Rating: 1.96%

4 Replies

123 Views

Last post by highfnum
Thu Jul 28, 2022 12:06 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: 3.43%

9 Replies

319 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: 1.96%

3 Replies

66 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: 0.98%

1 Replies

59 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: 0.49%

3 Replies

81 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: 2.45%

7 Replies

104 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: 3.43%

13 Replies

233 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: 1.96%

2 Replies

77 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: 6.86%

11 Replies

321 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: 0.98%

1 Replies

51 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: 1.47%

2 Replies

85 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: 3.92%

9 Replies

169 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: 2.45%

9 Replies

206 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: 3.92%

5 Replies

180 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: 0.49%

2 Replies

152 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: 0.49%

5 Replies

135 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: 1.47%

2 Replies

71 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: 0.49%

1 Replies

66 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: 0.98%

1 Replies

77 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: 0.98%

1 Replies

62 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: 0.98%

1 Replies

65 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: 3.43%

10 Replies

254 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: 0.98%

5 Replies

147 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: 1.96%

7 Replies

162 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: 0.49%

1 Replies

71 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: 2.94%

4 Replies

85 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: 7.84%

12 Replies

362 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: 0.98%

5 Replies

169 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: 3.92%

6 Replies

128 Views

Last post by Carbon60
Tue Jul 05, 2022 4:47 am
my first hbeta with open slit

Last post by Montana « Mon Jul 04, 2022 1:02 pm
Replies: 2
by highfnum » Sun Jul 03, 2022 11:15 pm

Rating: 1.47%

2 Replies

89 Views

Last post by Montana
Mon Jul 04, 2022 1:02 pm
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: 2.94%

6 Replies

141 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: 2.45%

8 Replies

223 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: 1.96%

4 Replies

127 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: 0.98%

4 Replies

138 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: 2.94%

3 Replies

125 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: 3.43%

6 Replies

186 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: 1.96%

6 Replies

151 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: 7.84%

9 Replies

257 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: 2.45%

6 Replies

175 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: 1.96%

1 Replies

71 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: 1.96%

3 Replies

102 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: 2.45%

9 Replies

292 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: 3.43%

6 Replies

193 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: 2.45%

3 Replies

105 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: 6.86%

8 Replies

187 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: 1.96%

3 Replies

156 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: 5.39%

16 Replies

391 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: 1.47%

1 Replies

65 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: 2.94%

11 Replies

244 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: 1.96%

7 Replies

208 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: 0.98%

5 Replies

237 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: 4.9%

6 Replies

151 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: 2.94%

5 Replies

236 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: 5.39%

6 Replies

183 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: 1.47%

2 Replies

151 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: 2.94%

4 Replies

138 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: 5.39%

5 Replies

154 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: 2.94%

6 Replies

257 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: 2.45%

9 Replies

293 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: 7.35%

12 Replies

243 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: 11.76%

14 Replies

385 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: 2.94%

3 Replies

133 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: 1.47%

4 Replies

138 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: 8.82%

8 Replies

210 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: 2.45%

2 Replies

156 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: 1.47%

4 Replies

192 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: 1.47%

2 Replies

96 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: 4.41%

2 Replies

153 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: 1.47%

4 Replies

175 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: 3.43%

5 Replies

171 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: 6.86%

8 Replies

232 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: 3.43%

5 Replies

187 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: 1.96%

5 Replies

158 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: 0.98%

3 Replies

138 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: 1.47%

4 Replies

248 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: 1.47%

4 Replies

277 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: 1.96%

1 Replies

87 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: 1.47%

4 Replies

158 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: 6.86%

14 Replies

515 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: 1.47%

6 Replies

285 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: 5.88%

6 Replies

327 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: 2.45%

7 Replies

275 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: 1.96%

7 Replies

299 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: 4.41%

12 Replies

357 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: 1.96%

7 Replies

241 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: 5.39%

6 Replies

347 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: 8.82%

17 Replies

608 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: 2.94%

4 Replies

203 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: 1.96%

4 Replies

182 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: 1.47%

5 Replies

348 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: 9.31%

10 Replies

631 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: 7.84%
46 Replies

1787 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: 8.33%

9 Replies

512 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: 14.71%

24 Replies

1189 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: 2.45%

3 Replies

271 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: 3.92%

7 Replies

468 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: 2.45%

4 Replies

510 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: 6.37%

10 Replies

551 Views

Last post by Carbon60
Fri Feb 11, 2022 7:43 am
Weak CME Impact 1st-2nd Feb 2022-Updated

Last post by Montana « Fri Feb 04, 2022 8:18 am
Replies: 13
by Carbon60 » Wed Feb 02, 2022 11:32 am

Rating: 7.84%

13 Replies

576 Views

Last post by Montana
Fri Feb 04, 2022 8:18 am
Found the next challenge! CN wavelength

Last post by marktownley « Tue Feb 01, 2022 7:56 pm
Replies: 15
by Merlin66 » Sat Jan 15, 2022 4:39 am

Rating: 7.35%

15 Replies

913 Views

Last post by marktownley
Tue Feb 01, 2022 7:56 pm
Doppler Image Jan 30

Last post by p_zetner « Sun Jan 30, 2022 10:06 pm
Replies: 8
by PDB » Sun Jan 30, 2022 2:26 pm

Rating: 2.94%

8 Replies

469 Views

Last post by p_zetner
Sun Jan 30, 2022 10:06 pm
Stellafane SHS - early imaging result

Last post by mconsidine « Sun Jan 30, 2022 9:14 pm
Replies: 5
by mconsidine » Thu Aug 19, 2021 5:43 pm

Rating: 2.94%

5 Replies

769 Views

Last post by mconsidine
Sun Jan 30, 2022 9:14 pm
20Jun2017 Spectroheliograms: Cleaning House!

Last post by christian viladrich « Sat Jan 29, 2022 9:05 pm
Replies: 5
by p_zetner » Sat Dec 30, 2017 5:20 pm

5 Replies

3257 Views

Last post by christian viladrich
Sat Jan 29, 2022 9:05 pm
Quadrantids - 2022

Last post by Wyvern « Mon Jan 24, 2022 7:51 pm
Replies: 3
by Wyvern » Sun Jan 23, 2022 1:23 pm

Rating: 3.43%

3 Replies

321 Views

Last post by Wyvern
Mon Jan 24, 2022 7:51 pm
A string of storms 18th Jan 2022

Last post by Carbon60 « Thu Jan 20, 2022 7:33 am
Replies: 4
by Carbon60 » Tue Jan 18, 2022 9:45 am

Rating: 2.94%

4 Replies

342 Views

Last post by Carbon60
Thu Jan 20, 2022 7:33 am
Unexpected G2 Geomagnetic Storm

Last post by Carbon60 « Wed Jan 19, 2022 12:14 pm
Replies: 10
by Carbon60 » Sat Jan 15, 2022 12:31 pm

Rating: 5.88%

10 Replies

526 Views

Last post by Carbon60
Wed Jan 19, 2022 12:14 pm
CaH and continuum SHG images (resolution upgrade)

Last post by Merlin66 « Wed Jan 12, 2022 8:00 am
Replies: 5
by thesmiths » Tue Jan 11, 2022 1:25 am

Rating: 1.96%

5 Replies

530 Views

Last post by Merlin66
Wed Jan 12, 2022 8:00 am
G1 Geomagnetic Storm 8th January 2022

Last post by Carbon60 « Tue Jan 11, 2022 12:28 pm
Replies: 4
by Carbon60 » Sun Jan 09, 2022 8:37 am

Rating: 1.47%

4 Replies

378 Views

Last post by Carbon60
Tue Jan 11, 2022 12:28 pm
and there go the Ursids!!!

Last post by Wyvern « Thu Jan 06, 2022 3:22 pm
Replies: 25
by Wyvern » Sun Dec 26, 2021 6:22 pm
1

2
Rating: 13.24%
25 Replies

1110 Views

Last post by Wyvern
Thu Jan 06, 2022 3:22 pm
Geomagnetic summary for 2021 vs 2020

Last post by Carbon60 « Tue Jan 04, 2022 7:47 pm
Replies: 3
by Carbon60 » Sun Jan 02, 2022 4:22 pm

Rating: 1.96%

3 Replies

313 Views

Last post by Carbon60
Tue Jan 04, 2022 7:47 pm
Mg (b2) absorption line

Last post by Merlin66 « Sat Jan 01, 2022 9:06 pm
Replies: 3
by Merlin66 » Sat Jan 01, 2022 3:45 am

Rating: 1.47%

3 Replies

320 Views

Last post by Merlin66
Sat Jan 01, 2022 9:06 pm
G1 Geomagnetic Storm 19th Dec 2021

Last post by MapleRidge « Thu Dec 23, 2021 11:52 pm
Replies: 4
by Carbon60 » Mon Dec 20, 2021 5:48 pm

Rating: 2.45%

4 Replies

436 Views

Last post by MapleRidge
Thu Dec 23, 2021 11:52 pm
Geminids 2021 December 14th

Last post by rsfoto « Sun Dec 19, 2021 4:35 pm
Replies: 15
by rsfoto » Sat Dec 11, 2021 7:07 pm

Rating: 14.22%

15 Replies

793 Views

Last post by rsfoto
Sun Dec 19, 2021 4:35 pm
Geomagnetic Unrest 10th-11th December 2021

Last post by marktownley « Mon Dec 13, 2021 10:10 am
Replies: 2
by Carbon60 » Sun Dec 12, 2021 3:16 pm

Rating: 1.96%

2 Replies

288 Views

Last post by marktownley
Mon Dec 13, 2021 10:10 am
A new SHG using a cheap 300mm f5.6 lens

Last post by Montana « Mon Dec 06, 2021 2:41 pm
Replies: 1
by thesmiths » Sun Dec 05, 2021 7:35 pm

Rating: 1.47%

1 Replies

426 Views

Last post by Montana
Mon Dec 06, 2021 2:41 pm
Minor CME and Solar Wind Driven Geomagnetic Unrest 29th November 2021

Last post by marktownley « Sun Dec 05, 2021 9:40 am
Replies: 3
by Carbon60 » Mon Nov 29, 2021 8:48 am

Rating: 2.45%

3 Replies

304 Views

Last post by marktownley
Sun Dec 05, 2021 9:40 am
H-alpha and CaH SHG comparison

Last post by marktownley « Sun Dec 05, 2021 9:35 am
Replies: 3
by thesmiths » Sun Nov 28, 2021 8:14 pm

Rating: 1.96%

3 Replies

353 Views

Last post by marktownley
Sun Dec 05, 2021 9:35 am
Leonids 2021

Last post by Carbon60 « Tue Nov 30, 2021 3:36 pm
Replies: 9
by rsfoto » Thu Nov 18, 2021 2:47 pm

Rating: 7.35%

9 Replies

559 Views

Last post by Carbon60
Tue Nov 30, 2021 3:36 pm
Filament structure and protuberances in CaH with SHG

Last post by marktownley « Sat Nov 27, 2021 7:58 am
Replies: 7
by thesmiths » Fri Nov 26, 2021 12:22 am

Rating: 6.37%

7 Replies

500 Views

Last post by marktownley
Sat Nov 27, 2021 7:58 am
Big filaments in H-alpha with SHG at 700mm FL

Last post by Merlin66 « Thu Nov 25, 2021 10:28 pm
Replies: 8
by thesmiths » Tue Nov 23, 2021 7:51 pm

Rating: 4.41%

8 Replies

547 Views

Last post by Merlin66
Thu Nov 25, 2021 10:28 pm
Another comparison of CaK SHG and PST -- looking for filaments

Last post by Montana « Tue Nov 23, 2021 8:21 am
Replies: 3
by thesmiths » Mon Nov 22, 2021 5:07 pm

Rating: 1.47%

3 Replies

353 Views

Last post by Montana
Tue Nov 23, 2021 8:21 am
Echelle spectrograph images -- in colour

Last post by Montana « Mon Nov 22, 2021 8:01 am
Replies: 2
by thesmiths » Mon Nov 22, 2021 12:51 am

Rating: 2.45%

2 Replies

318 Views

Last post by Montana
Mon Nov 22, 2021 8:01 am
Geomagnetic Unrest 16th November 2021

Last post by Carbon60 « Sat Nov 20, 2021 2:57 pm
Replies: 4
by Carbon60 » Tue Nov 16, 2021 7:42 am

Rating: 3.92%

4 Replies

372 Views

Last post by Carbon60
Sat Nov 20, 2021 2:57 pm
My new short D_SHG

Last post by marktownley « Sat Nov 20, 2021 2:35 pm
Replies: 7
by MERRILL » Mon Nov 15, 2021 2:34 am

Rating: 3.43%

7 Replies

521 Views

Last post by marktownley
Sat Nov 20, 2021 2:35 pm
Sol"Ex 3D printed SHG - AAVSO presentation

Last post by marktownley « Sat Nov 20, 2021 2:33 pm
Replies: 2
by Merlin66 » Tue Nov 16, 2021 9:52 pm

Rating: 0.98%

2 Replies

313 Views

Last post by marktownley
Sat Nov 20, 2021 2:33 pm
Radio Meteor detection 09-11-2021

Last post by Carbon60 « Wed Nov 10, 2021 6:15 pm
Replies: 2
by rsfoto » Tue Nov 09, 2021 7:36 pm

Rating: 1.96%

2 Replies

343 Views

Last post by Carbon60
Wed Nov 10, 2021 6:15 pm
H-alpha SHG at 910mm focal length

Last post by thesmiths « Mon Nov 08, 2021 1:47 pm
Replies: 3
by thesmiths » Sun Nov 07, 2021 11:10 pm

Rating: 1.47%

3 Replies

460 Views

Last post by thesmiths
Mon Nov 08, 2021 1:47 pm
G3 Geomagnetic Storm

Last post by marktownley « Sun Nov 07, 2021 5:39 pm
Replies: 12
by Carbon60 » Thu Nov 04, 2021 8:01 am

Rating: 6.86%

12 Replies

583 Views

Last post by marktownley
Sun Nov 07, 2021 5:39 pm
Ca-H images taken with a 1200 l/mm grating and 300mm Canon lens

Last post by marktownley « Sun Nov 07, 2021 11:58 am
Replies: 3
by thesmiths » Fri Nov 05, 2021 10:41 pm

Rating: 2.45%

3 Replies

419 Views

Last post by marktownley
Sun Nov 07, 2021 11:58 am
G1 Geomagnetic storm 31st October 2021

Last post by marktownley « Wed Nov 03, 2021 8:46 pm
Replies: 9
by Carbon60 » Mon Nov 01, 2021 9:48 am

Rating: 5.39%

9 Replies

568 Views

Last post by marktownley
Wed Nov 03, 2021 8:46 pm
Minor CME impact 30th/31st October 2021

Last post by Carbon60 « Wed Nov 03, 2021 6:06 am
Replies: 6
by Carbon60 » Sun Oct 31, 2021 10:16 am

Rating: 3.43%

6 Replies

406 Views

Last post by Carbon60
Wed Nov 03, 2021 6:06 am
MiniSHG - Sun in Helium D3

Last post by marktownley « Tue Nov 02, 2021 9:12 pm
Replies: 2
by Merlin66 » Sun Oct 31, 2021 4:14 am

Rating: 1.96%

2 Replies

322 Views

Last post by marktownley
Tue Nov 02, 2021 9:12 pm
Magnetometer sampling

Last post by Carbon60 « Mon Nov 01, 2021 7:48 am
Replies: 3
by SimonM » Sun Oct 31, 2021 1:10 pm

3 Replies

387 Views

Last post by Carbon60
Mon Nov 01, 2021 7:48 am
So what's the chances of another Aurora on Sunday-Monday Stu ??

Last post by EGRAY_OBSERVATORY « Sun Oct 31, 2021 6:16 pm

by EGRAY_OBSERVATORY » Sun Oct 31, 2021 6:16 pm

0 Replies

197 Views

Last post by EGRAY_OBSERVATORY
Sun Oct 31, 2021 6:16 pm
Orionids 2021 results

Last post by rsfoto « Fri Oct 29, 2021 3:24 pm
Replies: 3
by Wyvern » Thu Oct 28, 2021 9:49 pm

Rating: 1.47%

3 Replies

344 Views

Last post by rsfoto
Fri Oct 29, 2021 3:24 pm
Arids Meteor shower + Mexican stations :-)

Last post by marktownley « Thu Oct 28, 2021 8:12 pm
Replies: 3
by rsfoto » Wed Oct 27, 2021 6:17 pm

Rating: 2.94%

3 Replies

342 Views

Last post by marktownley
Thu Oct 28, 2021 8:12 pm
CME Impact 12th October 2021- UPDATED

Last post by marktownley « Thu Oct 28, 2021 9:08 am
Replies: 12
by Carbon60 » Tue Oct 12, 2021 9:04 am

Rating: 5.39%

12 Replies

954 Views

Last post by marktownley
Thu Oct 28, 2021 9:08 am
MiniSHG - H alpha and CaK

Last post by marktownley « Tue Oct 12, 2021 7:32 pm
Replies: 6
by Merlin66 » Sat Oct 09, 2021 10:55 pm

Rating: 1.96%

6 Replies

570 Views

Last post by marktownley
Tue Oct 12, 2021 7:32 pm
"Heads up" on possible meteor activity.

Last post by Carbon60 « Sun Oct 10, 2021 6:48 am
Replies: 12
by Wyvern » Sun Oct 03, 2021 4:58 pm

Rating: 11.27%

12 Replies

800 Views

Last post by Carbon60
Sun Oct 10, 2021 6:48 am
Geomagnetic Unrest 30th Sept.-2nd Oct. 2021

Last post by Carbon60 « Mon Oct 04, 2021 4:07 pm
Replies: 3
by Carbon60 » Sat Oct 02, 2021 3:34 pm

Rating: 2.45%

3 Replies

337 Views

Last post by Carbon60
Mon Oct 04, 2021 4:07 pm
MiniSHG with Baader 7nm H alpha filter

Last post by marktownley « Sun Oct 03, 2021 8:17 am
Replies: 4
by Merlin66 » Tue Sep 28, 2021 12:50 am

Rating: 2.45%

4 Replies

482 Views

Last post by marktownley
Sun Oct 03, 2021 8:17 am
MiniSHG -H alpha scan

Last post by Merlin66 « Mon Sep 27, 2021 10:29 pm
Replies: 4
by Merlin66 » Wed Sep 22, 2021 6:35 am

Rating: 1.96%

4 Replies

481 Views

Last post by Merlin66
Mon Sep 27, 2021 10:29 pm
h-beta sun SHG

Last post by marktownley « Mon Sep 27, 2021 7:38 pm
Replies: 3
by highfnum » Sun Sep 26, 2021 9:07 pm

Rating: 0.49%

3 Replies

332 Views

Last post by marktownley
Mon Sep 27, 2021 7:38 pm
G1 Geomagnetic Storm 17th September 2021

Last post by Carbon60 « Tue Sep 21, 2021 6:03 pm
Replies: 5
by Carbon60 » Fri Sep 17, 2021 9:31 pm

Rating: 3.43%

5 Replies

472 Views

Last post by Carbon60
Tue Sep 21, 2021 6:03 pm
Geomagnetic Unrest 10th September 2021

Last post by Carbon60 « Tue Sep 14, 2021 12:10 pm
Replies: 4
by Carbon60 » Sat Sep 11, 2021 6:51 am

Rating: 1.96%

4 Replies

488 Views

Last post by Carbon60
Tue Sep 14, 2021 12:10 pm
Smart Phone magnetometer

Last post by RodAstro « Sun Sep 12, 2021 9:55 pm

by RodAstro » Sun Sep 12, 2021 9:55 pm

0 Replies

263 Views

Last post by RodAstro
Sun Sep 12, 2021 9:55 pm
H-alpha full-disk SHG images with a Canon 300mm lens

Last post by thesmiths « Fri Sep 10, 2021 3:06 pm
Replies: 3
by thesmiths » Wed Sep 08, 2021 1:54 pm

Rating: 1.47%

3 Replies

418 Views

Last post by thesmiths
Fri Sep 10, 2021 3:06 pm
CaK full-disk SHG images with a Canon 300mm lens

Last post by Montana « Fri Sep 10, 2021 2:22 pm
Replies: 8
by thesmiths » Tue Sep 07, 2021 5:42 pm

Rating: 3.43%

8 Replies

567 Views

Last post by Montana
Fri Sep 10, 2021 2:22 pm
"Enhanced" Aurigid activity ?????

Last post by rsfoto « Thu Sep 09, 2021 2:10 pm
Replies: 5
by Wyvern » Thu Sep 02, 2021 8:37 pm

Rating: 2.94%

5 Replies

510 Views

Last post by rsfoto
Thu Sep 09, 2021 2:10 pm
SHG Images HA and CA

Last post by PDB « Thu Sep 09, 2021 8:03 am
Replies: 8
by PDB » Mon Sep 06, 2021 2:13 pm

Rating: 0.49%

8 Replies

525 Views

Last post by PDB
Thu Sep 09, 2021 8:03 am
Full-disk SHG images with a Canon 300mm lens

Last post by Montana « Mon Sep 06, 2021 7:26 am
Replies: 4
by thesmiths » Tue Aug 31, 2021 3:18 am

Rating: 3.43%

4 Replies

541 Views

Last post by Montana
Mon Sep 06, 2021 7:26 am
Improved SHG H-alpha imaging at 700mm FL

Last post by DeepSolar64 « Sun Sep 05, 2021 11:49 pm
Replies: 3
by thesmiths » Tue Aug 24, 2021 11:17 pm

Rating: 2.94%

3 Replies

558 Views

Last post by DeepSolar64
Sun Sep 05, 2021 11:49 pm
Perseid meteor shower 2021

Last post by EGRAY_OBSERVATORY « Sat Aug 21, 2021 11:03 am
Replies: 25
by rsfoto » Thu Aug 12, 2021 6:06 pm
1

2
Rating: 14.22%
25 Replies

1497 Views

Last post by EGRAY_OBSERVATORY
Sat Aug 21, 2021 11:03 am
A year of radio meteor data (Aug 2020-2021)

Last post by rsfoto « Wed Aug 18, 2021 4:50 pm
Replies: 5
by Carbon60 » Wed Aug 18, 2021 12:41 pm

Rating: 4.9%

5 Replies

441 Views

Last post by rsfoto
Wed Aug 18, 2021 4:50 pm
caK with SHG

Last post by marktownley « Wed Aug 18, 2021 7:37 am
Replies: 2
by highfnum » Fri Aug 13, 2021 9:26 pm

Rating: 0.49%

2 Replies

360 Views

Last post by marktownley
Wed Aug 18, 2021 7:37 am
Calcium H images -- with prominences!

Last post by thesmiths « Mon Aug 16, 2021 10:52 am
Replies: 4
by thesmiths » Sun Aug 15, 2021 10:13 pm

Rating: 1.96%

4 Replies

465 Views

Last post by thesmiths
Mon Aug 16, 2021 10:52 am
New SHG setup and images in H-alpha and Ca-H

Last post by Montana « Fri Aug 13, 2021 11:52 am
Replies: 7
by thesmiths » Wed Aug 11, 2021 11:34 pm

Rating: 3.43%

7 Replies

570 Views

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Replies: 3
by Carbon60 » Sat Aug 07, 2021 7:08 pm

Rating: 3.43%

3 Replies

392 Views

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spectrohelioscope at stellafane VT

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Rating: 0.98%

3 Replies

378 Views

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CME side swipe.... 2nd August 2021

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by Carbon60 » Tue Aug 03, 2021 9:23 pm

Rating: 2.45%

2 Replies

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Rating: 3.92%

5 Replies

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Rating: 3.43%

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Rating: 3.43%

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Rating: 2.45%

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by christian viladrich » Sun Jul 18, 2021 1:18 pm

Rating: 2.45%

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Rating: 2.45%

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Rating: 6.37%

17 Replies

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Rating: 7.35%

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Rating: 7.84%

8 Replies

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Rating: 1.96%

2 Replies

359 Views

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Rating: 3.92%

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Rating: 1.47%

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Rating: 0.49%

8 Replies

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Rating: 3.43%

6 Replies

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Rating: 0.98%

4 Replies

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Rating: 2.45%

4 Replies

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Rating: 2.94%

6 Replies

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by thesmiths » Tue Jun 08, 2021 9:10 pm

Rating: 0.98%

2 Replies

392 Views

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Thu Jun 10, 2021 3:41 pm
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Rating: 4.9%

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by christian viladrich » Tue Jun 08, 2021 11:17 am

Rating: 0.98%

3 Replies

393 Views

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Tue Jun 08, 2021 3:35 pm
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by PDB » Mon Jun 07, 2021 10:43 am

Rating: 5.39%

10 Replies

757 Views

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Tue Jun 08, 2021 11:43 am
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Rating: 4.9%

10 Replies

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Rating: 0.49%

16 Replies

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by christian viladrich » Fri Jan 22, 2021 12:23 pm

Rating: 5.39%

21 Replies

1812 Views

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by highfnum » Wed May 12, 2021 8:20 pm

Rating: 2.45%

9 Replies

742 Views

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by Carbon60 » Wed May 12, 2021 2:48 pm

Rating: 4.9%

8 Replies

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by rsfoto » Wed May 05, 2021 5:37 pm

Rating: 10.29%

9 Replies

675 Views

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Nice Meteor Activity

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by rsfoto » Mon May 10, 2021 3:31 pm

Rating: 0.98%

1 Replies

317 Views

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Radio meteor detection - Lyrids

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by JochenM » Sat May 01, 2021 10:20 am

Rating: 2.94%

7 Replies

597 Views

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Lyrids April 2021_Radio Detection

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by Carbon60 » Fri Apr 23, 2021 6:36 am

Rating: 4.41%

6 Replies

549 Views

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Lyrids April 2021

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by rsfoto » Thu Apr 22, 2021 5:03 pm

Rating: 6.37%

11 Replies

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Rating: 4.41%

8 Replies

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by thesmiths » Tue Feb 23, 2021 2:54 am

Rating: 3.92%

8 Replies

1025 Views

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Rating: 1.47%

2 Replies

394 Views

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by Carbon60 » Sat Mar 20, 2021 4:46 pm

Rating: 3.43%

4 Replies

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by thesmiths » Wed Mar 17, 2021 1:06 am

Rating: 2.45%

2 Replies

444 Views

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by Carbon60 » Sun Mar 14, 2021 4:36 pm

Rating: 2.45%

6 Replies

506 Views

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Quantitative and qualitative test of etalons with an Ha tube

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by christian viladrich » Sun Feb 07, 2021 9:56 pm

Rating: 9.31%

18 Replies

1535 Views

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Wed Mar 17, 2021 5:54 pm
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by Carbon60 » Wed Mar 10, 2021 3:25 pm

Rating: 2.45%

4 Replies

442 Views

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Sun Mar 14, 2021 7:05 am
Zeeman effect in mercury using the home-made Fabry-Perot (with gifs!)

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Replies: 3
by thesmiths » Mon Mar 01, 2021 2:54 am

Rating: 1.47%

3 Replies

440 Views

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Sun Mar 07, 2021 2:41 am
H spectrum tube first light

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Replies: 1
by Fabio_Imm » Fri Mar 05, 2021 6:53 pm

Rating: 0.98%

1 Replies

354 Views

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Sat Mar 06, 2021 11:16 am
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by Carbon60 » Wed Mar 03, 2021 8:31 pm

Rating: 0.98%

3 Replies

365 Views

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by JochenM » Mon Mar 01, 2021 8:30 am

Rating: 3.92%

6 Replies

495 Views

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Wed Mar 03, 2021 8:16 pm
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by p_zetner » Sun Feb 28, 2021 9:14 pm

Rating: 1.96%

4 Replies

573 Views

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Testing a Lunt LS50FHa etalon with a H spectrum tube.

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by p_zetner » Mon Feb 22, 2021 11:33 pm

Rating: 8.33%

14 Replies

1410 Views

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Rating: 6.37%

8 Replies

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Mon Feb 22, 2021 8:11 pm
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by Carbon60 » Sat Feb 20, 2021 6:30 pm

Rating: 3.92%

3 Replies

354 Views

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Fabry-Perot etalon testing: Zeeman splitting of neon

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by thesmiths » Fri Feb 12, 2021 10:52 pm

Rating: 3.92%

14 Replies

1148 Views

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Thu Feb 18, 2021 1:34 am
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by thesmiths » Fri Feb 05, 2021 9:28 pm

Rating: 7.35%

20 Replies

1469 Views

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by Carbon60 » Sun Feb 07, 2021 8:31 am

Rating: 4.9%

11 Replies

674 Views

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Fri Feb 12, 2021 8:16 pm
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by Carbon60 » Wed Feb 10, 2021 7:22 am

Rating: 3.92%

5 Replies

421 Views

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Thu Feb 11, 2021 7:57 pm
Home-made Fabry-Perot etalon project

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by thesmiths » Wed Feb 10, 2021 12:51 am

Rating: 2.94%

5 Replies

535 Views

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by Carbon60 » Mon Feb 01, 2021 6:50 pm

Rating: 1.96%

4 Replies

418 Views

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by Carbon60 » Tue Feb 02, 2021 7:40 pm

Rating: 4.41%

6 Replies

472 Views

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by Carbon60 » Mon Jan 04, 2021 7:23 am

Rating: 6.86%

12 Replies

842 Views

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Mon Feb 08, 2021 9:24 pm
RMO and January 2021

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by rsfoto » Sun Jan 31, 2021 4:07 pm

Rating: 1.96%

3 Replies

397 Views

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Research suggestions

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by willisobservatory » Sun Jan 24, 2021 10:35 pm

Rating: 1.96%

3 Replies

498 Views

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by Carbon60 » Wed Jan 27, 2021 10:50 am

Rating: 2.94%

6 Replies

497 Views

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Sun Jan 31, 2021 3:54 pm
Atomic wavelengths

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by marios i. » Wed Jan 27, 2021 4:23 am

Rating: 0.49%

2 Replies

402 Views

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Geoeffective Shockwave

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by Carbon60 » Mon Jan 11, 2021 10:06 pm

Rating: 5.39%

7 Replies

682 Views

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Wed Jan 13, 2021 6:56 am
First Geomagnetic Activity of 2021

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by Carbon60 » Thu Jan 07, 2021 8:36 am

Rating: 2.94%

4 Replies

494 Views

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Sun Jan 10, 2021 10:39 am
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by Carbon60 » Mon Jan 04, 2021 7:50 am

Rating: 2.94%

4 Replies

451 Views

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Tue Jan 05, 2021 6:51 am
Quadrantids January 3 2021

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Replies: 5
by rsfoto » Sun Jan 03, 2021 4:10 pm

Rating: 4.9%

5 Replies

476 Views

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Mon Jan 04, 2021 4:04 pm
Geomagnetic Unrest/G1 storm 23rd December 2020

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by Carbon60 » Wed Dec 23, 2020 7:27 am

Rating: 1.96%

3 Replies

483 Views

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Sun Dec 27, 2020 2:58 pm
Radio Detected Ursids

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by Carbon60 » Thu Dec 24, 2020 6:50 am

Rating: 5.39%

7 Replies

580 Views

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Sun Dec 27, 2020 2:57 pm
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by Carbon60 » Sun Dec 13, 2020 8:52 am

Rating: 11.76%

18 Replies

1357 Views

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Tue Dec 22, 2020 8:39 am
14/12/2020 Solar eclipse flash Spectrum

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by rsfoto » Wed Dec 16, 2020 11:05 pm

Rating: 1.47%

3 Replies

481 Views

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Mon Dec 21, 2020 6:07 pm
Solar Spectroscopy

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by rsfoto » Sat Dec 05, 2020 3:58 pm

Rating: 5.39%

17 Replies

1492 Views

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Radio Detected Leonids November 2020

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by Carbon60 » Fri Nov 20, 2020 7:43 am
1

2
Rating: 9.31%
28 Replies

1970 Views

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Sat Dec 05, 2020 3:54 pm
Geomagnetic Activity 20th-22nd November 2020

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Replies: 6
by Carbon60 » Sun Nov 22, 2020 3:43 pm

Rating: 2.94%

6 Replies

593 Views

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Sat Dec 05, 2020 8:39 am
Radio Detected Orionids 2020

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by Carbon60 » Sun Nov 08, 2020 8:46 am

Rating: 3.92%

8 Replies

939 Views

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Sun Nov 15, 2020 11:23 am
Geomagnetic Activity 23rd-26th October 2020

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by Carbon60 » Mon Oct 26, 2020 7:23 pm

Rating: 0.98%

6 Replies

843 Views

Last post by marktownley
Thu Oct 29, 2020 2:28 pm
Orionids by radio detection-UPDATED

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by Carbon60 » Thu Oct 22, 2020 6:49 pm

Rating: 3.43%

12 Replies

947 Views

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Thu Oct 29, 2020 2:27 pm
my new old spectroscopy book

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by highfnum » Mon Oct 26, 2020 11:27 pm

Rating: 0.98%

12 Replies

957 Views

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Thu Oct 29, 2020 1:29 am
Magnetometry-summary data for August/September

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by Carbon60 » Mon Oct 12, 2020 1:50 pm

Rating: 2.45%

3 Replies

677 Views

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Tue Oct 13, 2020 12:52 pm
Radio meteor detection of the Draconids (October 2020)

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Replies: 2
by Carbon60 » Mon Oct 12, 2020 2:00 pm

Rating: 0.49%

2 Replies

431 Views

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Mon Oct 12, 2020 9:28 pm
Geomagnetic Activity 22-25th Sept. 2020- Updated

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Replies: 5
by Carbon60 » Fri Sep 25, 2020 7:34 pm

Rating: 2.45%

5 Replies

788 Views

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Thu Oct 01, 2020 5:17 pm
Perseid Meteor Detection by Radio

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by Carbon60 » Sun Aug 16, 2020 5:31 pm
1

2

3

4
Rating: 21.57%
99 Replies

7093 Views

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Wed Sep 30, 2020 2:37 pm
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by Carbon60 » Wed Sep 23, 2020 8:11 pm

2 Replies

458 Views

Last post by Montana
Thu Sep 24, 2020 7:05 am
Geomagnetic Activity Rumbles on- 2nd Sept 20

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Replies: 3
by Carbon60 » Wed Sep 02, 2020 6:32 am

Rating: 1.96%

3 Replies

542 Views

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Fri Sep 04, 2020 6:07 am
G1 Geomagnetic Storm

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by Carbon60 » Sat Aug 29, 2020 4:20 pm

2 Replies

462 Views

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Mon Aug 31, 2020 3:19 pm
Weak CME impact 13th July 2020

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Replies: 9
by Carbon60 » Sat Jul 18, 2020 10:54 am

Rating: 3.43%

9 Replies

1431 Views

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Sat Aug 15, 2020 5:05 am
August 3, 2020: Calcium Trio

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by p_zetner » Fri Aug 07, 2020 4:33 am

Rating: 4.9%

9 Replies

1291 Views

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Thu Aug 13, 2020 9:29 am
28 July: Portrait of AR12767 in 4 Fraunhofer Lines.

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by p_zetner » Fri Jul 31, 2020 9:40 pm

Rating: 2.94%

5 Replies

1016 Views

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Fri Aug 07, 2020 5:50 pm
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by Carbon60 » Tue Aug 04, 2020 7:20 pm

Rating: 1.47%

5 Replies

796 Views

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Geomagnetic Activity 24th/25th July 2020

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by Carbon60 » Sat Jul 25, 2020 10:50 am

Rating: 0.98%

3 Replies

723 Views

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Sun Jul 26, 2020 4:50 pm
SHS/ SHG Holographic Grating choices

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by solarGain » Fri Jul 17, 2020 9:59 am

9 Replies

1519 Views

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Wed Jul 22, 2020 6:48 am
12 June 2020 Spectroheliograms

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by p_zetner » Sat Jun 27, 2020 3:49 am

Rating: 4.41%

16 Replies

2391 Views

Last post by p_zetner
Wed Jul 15, 2020 8:17 pm
Solar spectrum help required, please

Last post by huwiler « Tue Jul 14, 2020 8:43 am
Replies: 15
by Carbon60 » Mon Jun 01, 2020 9:16 pm

Rating: 5.88%

15 Replies

2042 Views

Last post by huwiler
Tue Jul 14, 2020 8:43 am
Untransversaliumisator : SHGrams processing software

Last post by Phil Rousselle « Fri Jul 03, 2020 7:49 am

by Phil Rousselle » Fri Jul 03, 2020 7:49 am

Rating: 0.98%

0 Replies

914 Views

Last post by Phil Rousselle
Fri Jul 03, 2020 7:49 am
Pc5 Geomagnetic Pulsations

Last post by Carbon60 « Sat Jun 27, 2020 6:59 am
Replies: 9
by Carbon60 » Thu Jun 25, 2020 6:22 am

Rating: 4.9%

9 Replies

1246 Views

Last post by Carbon60
Sat Jun 27, 2020 6:59 am
simple caK shot

Last post by Montana « Thu Jun 25, 2020 1:22 pm
Replies: 4
by highfnum » Sat Jun 20, 2020 10:10 am

Rating: 0.49%

4 Replies

801 Views

Last post by Montana
Thu Jun 25, 2020 1:22 pm
20200613 H-beta Sun

Last post by highfnum « Sat Jun 20, 2020 10:05 am
Replies: 5
by Wah » Sat Jun 13, 2020 10:03 am

Rating: 1.47%

5 Replies

1014 Views

Last post by highfnum
Sat Jun 20, 2020 10:05 am
Coming back...

Last post by Wah « Mon Jun 15, 2020 7:42 am
Replies: 42
by Wah » Fri May 29, 2020 1:13 am
1

2
Rating: 1.96%
42 Replies

4299 Views

Last post by Wah
Mon Jun 15, 2020 7:42 am
New spots, new observations on june 8th

Last post by Carbon60 « Thu Jun 11, 2020 6:42 am
Replies: 7
by Phil Rousselle » Tue Jun 09, 2020 5:56 pm

Rating: 1.96%

7 Replies

1030 Views

Last post by Carbon60
Thu Jun 11, 2020 6:42 am
several frequencies of current spot

Last post by marktownley « Wed Jun 10, 2020 7:44 pm
Replies: 3
by highfnum » Wed Jun 10, 2020 4:18 am

Rating: 0.49%

3 Replies

675 Views

Last post by marktownley
Wed Jun 10, 2020 7:44 pm
Today's solar surface by SHG

Last post by Phil Rousselle « Tue Jun 09, 2020 5:41 pm
Replies: 10
by MERRILL » Tue Apr 28, 2020 12:30 am

Rating: 2.45%

10 Replies

2647 Views

Last post by Phil Rousselle
Tue Jun 09, 2020 5:41 pm
Magnetometer data May 2020

Last post by Carbon60 « Sun Jun 07, 2020 6:25 am
Replies: 4
by Carbon60 » Wed Jun 03, 2020 7:50 am

Rating: 3.43%

4 Replies

765 Views

Last post by Carbon60
Sun Jun 07, 2020 6:25 am
My smallest spectroscope first light

Last post by p_zetner « Fri Jun 05, 2020 8:22 pm
Replies: 6
by Wah » Fri Jun 05, 2020 12:48 am

Rating: 0.98%

6 Replies

1097 Views

Last post by p_zetner
Fri Jun 05, 2020 8:22 pm
Who is going to capture the flash spectrum of the upcoming annular eclipse?

Last post by Wah « Tue Jun 02, 2020 10:54 pm
Replies: 2
by Wah » Tue Jun 02, 2020 9:20 am

2 Replies

681 Views

Last post by Wah
Tue Jun 02, 2020 10:54 pm
Quick first light

Last post by Wah « Mon Jun 01, 2020 11:38 pm
Replies: 4
by Wah » Sun May 31, 2020 11:51 pm

Rating: 1.47%

4 Replies

809 Views

Last post by Wah
Mon Jun 01, 2020 11:38 pm
SHG 5 5 2020

Last post by highfnum « Fri May 08, 2020 1:46 pm
Replies: 3
by highfnum » Thu May 07, 2020 11:04 am

Rating: 0.98%

3 Replies

929 Views

Last post by highfnum
Fri May 08, 2020 1:46 pm
apr 28 shg caH caK

Last post by MapleRidge « Wed Apr 29, 2020 11:02 pm
Replies: 5
by highfnum » Tue Apr 28, 2020 10:55 pm

Rating: 0.98%

5 Replies

1377 Views

Last post by MapleRidge
Wed Apr 29, 2020 11:02 pm
Geomagnetic Activity 31st March 2020

Last post by Montana « Tue Mar 31, 2020 7:45 am
Replies: 2
by Carbon60 » Tue Mar 31, 2020 6:16 am

2 Replies

5237 Views

Last post by Montana
Tue Mar 31, 2020 7:45 am
Geomagnetic Activity 19th March

Last post by Carbon60 « Tue Mar 24, 2020 6:58 am
Replies: 5
by Carbon60 » Thu Mar 19, 2020 5:07 pm

5 Replies

3761 Views

Last post by Carbon60
Tue Mar 24, 2020 6:58 am
ar2758 with SHG

Last post by Montana « Tue Mar 10, 2020 7:58 am
Replies: 6
by highfnum » Mon Mar 09, 2020 11:51 pm

6 Replies

6763 Views

Last post by Montana
Tue Mar 10, 2020 7:58 am
old man is snoring

Last post by marktownley « Fri Mar 06, 2020 7:28 pm
Replies: 20
by highfnum » Mon Feb 17, 2020 5:29 pm

20 Replies

13742 Views

Last post by marktownley
Fri Mar 06, 2020 7:28 pm
Geomagnetic Activity- January 2020 Summary

Last post by Carbon60 « Mon Feb 03, 2020 7:40 pm
Replies: 2
by Carbon60 » Sun Feb 02, 2020 2:22 pm

2 Replies

4184 Views

Last post by Carbon60
Mon Feb 03, 2020 7:40 pm
Further Geomagnetic Unrest 21st 23rd Jan 2020

Last post by Carbon60 « Tue Jan 28, 2020 6:35 am
Replies: 4
by Carbon60 » Fri Jan 24, 2020 12:21 pm

4 Replies

4251 Views

Last post by Carbon60
Tue Jan 28, 2020 6:35 am
Geomagnetic Unrest Jan 2020

Last post by Carbon60 « Tue Jan 14, 2020 6:38 am
Replies: 4
by Carbon60 » Sat Jan 11, 2020 8:43 am

4 Replies

4193 Views

Last post by Carbon60
Tue Jan 14, 2020 6:38 am
SHG caH cak

Last post by Montana « Thu Nov 28, 2019 7:59 am
Replies: 26
by highfnum » Mon Oct 21, 2019 10:17 pm
1

2
26 Replies

7229 Views

Last post by Montana
Thu Nov 28, 2019 7:59 am
Further geomagnetic activity 21st-23rd Nov.

Last post by Montana « Mon Nov 25, 2019 8:03 am
Replies: 2
by Carbon60 » Sat Nov 23, 2019 4:42 pm

2 Replies

1941 Views

Last post by Montana
Mon Nov 25, 2019 8:03 am
Minor geomagnetic storm

Last post by MapleRidge « Fri Nov 22, 2019 11:18 pm
Replies: 6
by Carbon60 » Sun Nov 17, 2019 12:25 pm

6 Replies

2489 Views

Last post by MapleRidge
Fri Nov 22, 2019 11:18 pm
3D printing and SHG

Last post by Montana « Sun Nov 17, 2019 12:30 pm
Replies: 15
by taratasy » Thu Oct 31, 2019 2:53 am

15 Replies

4242 Views

Last post by Montana
Sun Nov 17, 2019 12:30 pm
Magnetometer Back Online

Last post by MapleRidge « Sat Nov 16, 2019 1:25 am
Replies: 6
by Carbon60 » Wed Nov 13, 2019 8:15 pm

6 Replies

2386 Views

Last post by MapleRidge
Sat Nov 16, 2019 1:25 am
large spectroheliograph - India

Last post by george9 « Fri Nov 15, 2019 12:29 am
Replies: 10
by highfnum » Thu Nov 07, 2019 5:16 pm

10 Replies

3291 Views

Last post by george9
Fri Nov 15, 2019 12:29 am
14May2019 Spectroheliograms: A Sunspot Study

Last post by Merrill55 « Thu Nov 14, 2019 10:13 am
Replies: 6
by p_zetner » Thu Oct 31, 2019 6:52 pm

6 Replies

3145 Views

Last post by Merrill55
Thu Nov 14, 2019 10:13 am
anyone know about this guy

Last post by highfnum « Mon Oct 21, 2019 4:53 pm
Replies: 6
by highfnum » Fri Oct 18, 2019 11:28 pm

6 Replies

2635 Views

Last post by highfnum
Mon Oct 21, 2019 4:53 pm
G1 Geomagnetic Storm

Last post by Montana « Mon Sep 30, 2019 9:08 am
Replies: 3
by Carbon60 » Sat Sep 28, 2019 6:38 am

3 Replies

2426 Views

Last post by Montana
Mon Sep 30, 2019 9:08 am
14May2019 Spectroheliograms: H alpha

Last post by LTHB « Thu Sep 19, 2019 5:59 pm
Replies: 9
by p_zetner » Thu Sep 12, 2019 9:31 pm

9 Replies

3468 Views

Last post by LTHB
Thu Sep 19, 2019 5:59 pm

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