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Solar Analemma. This outstanding image from Alexandra Hart taken over a period of 4 years charts the midday position of the sun in the sky throughout the year. The north–south component of the analemma results from the change in the Sun's declination due to the tilt of Earth's axis of rotation. The east–west component results from the nonuniform rate of change of the Sun's right ascension, governed by combined effects of Earth's axial tilt and orbital eccentricity.

Merry Christmas, Happy New Year and looking forward to a great solar cycle 25!

Welcome to Solar Chat! The best forum for Solar Astronomy

Moving forward from solar cycle 24 to 25

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This is SolarChat !!
this is the main message area for anything solar
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23316 Topics

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Last post Re: Solar offerings from Jan.…
by ffellah View the latest post
Wed Jan 22, 2020 7:00 pm
ASTRO IIDC User Group
This is the new home of the ASTRO IIDC user group previously on Yahoo Lists.
Topics: 1

1 Topics

2 Posts

Last post Re: ASTRO IIDC Yahoo List Arc…
by Milton Aupperle View the latest post
Sat Dec 07, 2019 4:22 am
Solarchat! Facebook Group Page
This is our Facebook counterpart to our private forum. Please join.
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Commercial Solar Filters/Cameras/Hardware
Use this section to discuss "standard" Baader/Coronado/ Lunt SolarView/ Daystar, etc… filters, cameras and scopes. No mods, just questions/ answers and reviews.
Topics: 554

554 Topics

5960 Posts

Last post Re: Meade / Solarmax Etalon F…
by MalVeauX View the latest post
Fri Jan 17, 2020 5:51 pm
Solar Scope Modifications
Frankenscope? Let's see it!***be advised that NOTHING in this forum has been safety tested and you are reading and using these posts at your own peril. blah, blah, blah... dont mess around with your eyesight when it comes to solar astronomy. Use appropriate filtration at all times...
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808 Topics

12158 Posts

Last post Re: Baader 1.25x GPC with PST…
by MalVeauX View the latest post
Sun Jan 19, 2020 8:57 pm
Solar Radio, Magnetometry and Spectroscopy
I LOVE finding out about different ways to appreciate the Sun and light in general. Use this forum to post your info or questions about various outside the mainstream ways to appreciate our life giving star!
Topics: 485

485 Topics

4859 Posts

Last post Re: Geomagnetic Unrest Jan 20…
by Carbon60 View the latest post
Tue Jan 14, 2020 6:38 am
Solar Reference Library
these are all of the great references that our users have shared with others.
Moderator: marktownley
Topics: 65

65 Topics

261 Posts

Last post Re: Hi Res Solar Spectrum Res…
by marktownley View the latest post
Sun Jan 19, 2020 9:42 am
Solar Software
The place for all your solar software; capture, stacking, post processing, ancillaries etc. It's all up for discussion here!
Topics: 31

31 Topics

284 Posts

Last post Re: Genika?
by Montana View the latest post
Wed Jan 15, 2020 10:09 am
SPoD Archive
An archive of all the best images Solar Chat has to offer!
Topics: 42

42 Topics

368 Posts

Last post Re: Solar Analemma 2016-2019
by banjo View the latest post
Sun Dec 22, 2019 8:01 am
Solar Astronomy Shop and Swap
VENDORS WELCOME! Please, only solar equipment.
Topics: 364

364 Topics

1487 Posts

Last post Re: Solar Refractor 228 F8 Tr…
by dragracingdan View the latest post
Tue Jan 21, 2020 2:50 pm
Solar Astronomy Equipment Reviews
This forum replaces http://www.solarscopereviews.com so that more people can post their own reviews. Feel free to post your review of solar astronomy equipment here! We want as many impartial reviews as possible to help people decide what to buy.
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8 Topics

86 Posts

Last post Re: SolarQuest review
by pedro View the latest post
Sat Jan 18, 2020 1:21 pm
Forum Support Issues
I maintain this forum in my free time. The entire purpose of it is to allow you to share your love for solar astronomy. If there is ANYTHING I can do to enhance the forum to better suit your needs, please let me know in this forum.
Topics: 112

112 Topics

622 Posts

Last post Re: Very slow
by rsfoto View the latest post
Sun Jan 12, 2020 7:47 pm
Silly Forum Rules
A few simple rules that you MUST follow to participate in our forum. I am the "decider guy" and am very reasonable but there are some things that simply cannot be allowed on here. If you have any addendum's or changes that you would like to see to these rules, please post them in the Forum Issues forum.
Topics: 1

1 Topics

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Last post Silly Forum Rules
by solarchat View the latest post
Thu Feb 20, 2014 2:02 pm
Great American Solar Eclipse August 21 2017
Post anything eclipse related!
Topics: 60

60 Topics

403 Posts

Last post Re: A frenchman in Oregon for…
by Carbon60 View the latest post
Sat Mar 10, 2018 8:31 am

Active topics

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ASTRO IIDC Yahoo List Archive

Last post by Milton Aupperle « Sat Dec 07, 2019 4:22 am
Replies: 1
by solarchat » Sat Dec 07, 2019 1:14 am

1 Replies

359 Views

Last post by Milton Aupperle
Sat Dec 07, 2019 4:22 am
Solar offerings from Jan. 21, 2020

Last post by ffellah « Wed Jan 22, 2020 7:00 pm
Replies: 4
by Astrophil » Wed Jan 22, 2020 2:47 am

4 Replies

52 Views

Last post by ffellah
Wed Jan 22, 2020 7:00 pm
22.01.20202 Prom in very poor seeing.

Last post by JochenM « Wed Jan 22, 2020 6:52 pm
Replies: 3
by Rusted » Wed Jan 22, 2020 3:36 pm

3 Replies

29 Views

Last post by JochenM
Wed Jan 22, 2020 6:52 pm
19Jan20 - First Light C11+ARIES D-ERF+Quark (Animated GIF Added)

Last post by yltansg « Wed Jan 22, 2020 2:15 pm
Replies: 18
by yltansg » Sun Jan 19, 2020 2:35 am

18 Replies

255 Views

Last post by yltansg
Wed Jan 22, 2020 2:15 pm
Kanzelhoehe Solar Observatory

Last post by salvo lauricella « Wed Jan 22, 2020 11:33 am
Replies: 5
by marktownley » Mon Jan 20, 2020 9:16 pm

5 Replies

113 Views

Last post by salvo lauricella
Wed Jan 22, 2020 11:33 am
Full Disc 21 January 2020

Last post by salvo lauricella « Wed Jan 22, 2020 11:24 am
Replies: 5
by rsfoto » Tue Jan 21, 2020 11:32 pm

5 Replies

45 Views

Last post by salvo lauricella
Wed Jan 22, 2020 11:24 am
Tuning or bandwidth?

Last post by Astrophil « Wed Jan 22, 2020 2:33 am
Replies: 14
by Astrophil » Thu Jan 16, 2020 5:47 pm

14 Replies

266 Views

Last post by Astrophil
Wed Jan 22, 2020 2:33 am
HR solar spectra

Last post by Merlin66 « Tue Jan 21, 2020 11:05 pm
Replies: 1
by christian viladrich » Tue Jan 21, 2020 8:40 pm

1 Replies

48 Views

Last post by Merlin66
Tue Jan 21, 2020 11:05 pm
Newton rings or reflections

Last post by Sol seeker uk « Tue Jan 21, 2020 9:50 pm
Replies: 5
by Sol seeker uk » Fri Jan 17, 2020 9:56 am

5 Replies

123 Views

Last post by Sol seeker uk
Tue Jan 21, 2020 9:50 pm
Solar Refractor 228 F8 Truss Tube

Last post by dragracingdan « Tue Jan 21, 2020 2:50 pm
Replies: 2
by sulcis2000 » Sun Oct 06, 2019 8:00 pm

2 Replies

537 Views

Last post by dragracingdan
Tue Jan 21, 2020 2:50 pm
Solar Imaging Tutorial, Focus, Flat Calibration, Exposure | Jan 20th 2020

Last post by pedro « Tue Jan 21, 2020 2:12 pm
Replies: 7
by MalVeauX » Mon Jan 20, 2020 6:21 pm

7 Replies

88 Views

Last post by pedro
Tue Jan 21, 2020 2:12 pm
January 17th Session

Last post by MapleRidge « Tue Jan 21, 2020 11:59 am
Replies: 15
by MapleRidge » Sat Jan 18, 2020 7:53 pm

15 Replies

135 Views

Last post by MapleRidge
Tue Jan 21, 2020 11:59 am
Today's SUN (20200119) | TV101, LUNT60, LUNT60 Ca-K

Last post by pedro « Mon Jan 20, 2020 9:25 pm
Replies: 13
by pedro » Sun Jan 19, 2020 1:13 pm

13 Replies

204 Views

Last post by pedro
Mon Jan 20, 2020 9:25 pm
Sun and sea

Last post by mattwastell « Mon Jan 20, 2020 8:51 pm
Replies: 14
by Montana » Sat Jan 18, 2020 7:00 pm

14 Replies

157 Views

Last post by mattwastell
Mon Jan 20, 2020 8:51 pm
Astrosolar, SM40, doublestack your pst etalons etc.

Last post by bart1805 « Mon Jan 20, 2020 5:47 pm
Replies: 6
by bart1805 » Wed Dec 25, 2019 4:54 pm

6 Replies

353 Views

Last post by bart1805
Mon Jan 20, 2020 5:47 pm
Sol from the 18th of January 2020.

Last post by ffellah « Mon Jan 20, 2020 4:44 pm
Replies: 7
by eroel » Sun Jan 19, 2020 7:47 pm

7 Replies

79 Views

Last post by ffellah
Mon Jan 20, 2020 4:44 pm
FD and big prominence 18-01-2020

Last post by salvo lauricella « Mon Jan 20, 2020 10:28 am
Replies: 9
by salvo lauricella » Sat Jan 18, 2020 11:35 am

9 Replies

111 Views

Last post by salvo lauricella
Mon Jan 20, 2020 10:28 am
Ha Full Disk & S6348 - 19th January

Last post by salvo lauricella « Mon Jan 20, 2020 10:22 am
Replies: 15
by marktownley » Sun Jan 19, 2020 4:32 pm

15 Replies

112 Views

Last post by salvo lauricella
Mon Jan 20, 2020 10:22 am
Lunt Heating Module test

Last post by BigDob « Mon Jan 20, 2020 1:44 am
Replies: 7
by dhkaiser » Fri Jan 17, 2020 11:50 pm

7 Replies

123 Views

Last post by BigDob
Mon Jan 20, 2020 1:44 am
Baader 1.25x GPC with PST Mod, How to Mount the GPC?

Last post by MalVeauX « Sun Jan 19, 2020 8:57 pm
Replies: 12
by MalVeauX » Sat Jan 18, 2020 2:10 am

12 Replies

164 Views

Last post by MalVeauX
Sun Jan 19, 2020 8:57 pm
Full Disc 17 January 2020

Last post by eroel « Sun Jan 19, 2020 8:52 pm
Replies: 11
by rsfoto » Fri Jan 17, 2020 9:19 pm

11 Replies

119 Views

Last post by eroel
Sun Jan 19, 2020 8:52 pm
Today's SUN (20200111) | TV101 & LUNT60

Last post by pedro « Sun Jan 19, 2020 10:14 am
Replies: 14
by pedro » Sat Jan 11, 2020 3:39 pm

14 Replies

339 Views

Last post by pedro
Sun Jan 19, 2020 10:14 am
Hi Res Solar Spectrum Resource

Last post by marktownley « Sun Jan 19, 2020 9:42 am
Replies: 1
by Carbon60 » Sun Jan 19, 2020 9:32 am

1 Replies

74 Views

Last post by marktownley
Sun Jan 19, 2020 9:42 am
Solar Processing Tutorial (Rapid Workflow) for HA | Jan 16th 2020

Last post by Rusted « Sat Jan 18, 2020 7:07 pm
Replies: 9
by MalVeauX » Fri Jan 17, 2020 12:17 am

9 Replies

147 Views

Last post by Rusted
Sat Jan 18, 2020 7:07 pm
Sol from the 15th of January 2020.

Last post by MapleRidge « Sat Jan 18, 2020 1:32 pm
Replies: 11
by eroel » Thu Jan 16, 2020 4:34 am

11 Replies

149 Views

Last post by MapleRidge
Sat Jan 18, 2020 1:32 pm
Full Disc 16 January 2020

Last post by MapleRidge « Sat Jan 18, 2020 1:31 pm
Replies: 8
by rsfoto » Thu Jan 16, 2020 11:09 pm

8 Replies

110 Views

Last post by MapleRidge
Sat Jan 18, 2020 1:31 pm
Full Disk and prominence 15/01/2020

Last post by MapleRidge « Sat Jan 18, 2020 1:30 pm
Replies: 12
by salvo lauricella » Wed Jan 15, 2020 1:16 pm

12 Replies

162 Views

Last post by MapleRidge
Sat Jan 18, 2020 1:30 pm
Full Disc 15 January 2020

Last post by MapleRidge « Sat Jan 18, 2020 1:28 pm
Replies: 10
by rsfoto » Wed Jan 15, 2020 10:24 pm

10 Replies

122 Views

Last post by MapleRidge
Sat Jan 18, 2020 1:28 pm
SolarQuest review

Last post by pedro « Sat Jan 18, 2020 1:21 pm
Replies: 37
by pedro » Tue Oct 02, 2018 4:59 pm
1

2
37 Replies

6870 Views

Last post by pedro
Sat Jan 18, 2020 1:21 pm
Penumbral Eclipse of the MOON (20200110)

Last post by pedro « Sat Jan 18, 2020 10:06 am
Replies: 20
by pedro » Sat Jan 11, 2020 9:28 pm

20 Replies

263 Views

Last post by pedro
Sat Jan 18, 2020 10:06 am
Meade / Solarmax Etalon Future?

Last post by MalVeauX « Fri Jan 17, 2020 5:51 pm
Replies: 15
by MalVeauX » Sun Dec 29, 2019 1:50 pm

15 Replies

444 Views

Last post by MalVeauX
Fri Jan 17, 2020 5:51 pm
PST modification - idiots guide

Last post by AndiesHandyHandies « Fri Jan 17, 2020 9:34 am
Replies: 38
by Montana » Tue Sep 24, 2019 11:15 am
1

2
38 Replies

1645 Views

Last post by AndiesHandyHandies
Fri Jan 17, 2020 9:34 am
Solar Cycle N°24 Best Of !!!

Last post by mattwastell « Fri Jan 17, 2020 8:47 am
Replies: 16
by jp-brahic » Tue Jan 07, 2020 6:37 am

16 Replies

243 Views

Last post by mattwastell
Fri Jan 17, 2020 8:47 am
How close to F10 must a PST mod truly be?

Last post by Merlin66 « Thu Jan 16, 2020 9:37 pm
Replies: 14
by MalVeauX » Fri Jan 10, 2020 8:23 pm

14 Replies

251 Views

Last post by Merlin66
Thu Jan 16, 2020 9:37 pm
Full/Partial disk 2020-01-16

Last post by marktownley « Thu Jan 16, 2020 9:06 pm
Replies: 8
by JochenM » Thu Jan 16, 2020 1:28 pm

8 Replies

119 Views

Last post by marktownley
Thu Jan 16, 2020 9:06 pm
Using a barlow/powermate on an LS50

Last post by marktownley « Thu Jan 16, 2020 8:54 pm
Replies: 4
by JochenM » Mon Jan 06, 2020 12:57 pm

4 Replies

171 Views

Last post by marktownley
Thu Jan 16, 2020 8:54 pm
Jan 13, 2020 FDs +

Last post by Astrophil « Thu Jan 16, 2020 5:52 pm
Replies: 15
by Astrophil » Tue Jan 14, 2020 2:02 am

15 Replies

166 Views

Last post by Astrophil
Thu Jan 16, 2020 5:52 pm
B400 vs B600 for visual?

Last post by MalVeauX « Thu Jan 16, 2020 3:44 pm
Replies: 3
by nebulabru » Wed Jan 15, 2020 4:26 pm

3 Replies

88 Views

Last post by MalVeauX
Thu Jan 16, 2020 3:44 pm
Sol from the 14th of January 2020.

Last post by Montana « Thu Jan 16, 2020 12:09 pm
Replies: 3
by eroel » Thu Jan 16, 2020 4:29 am

3 Replies

67 Views

Last post by Montana
Thu Jan 16, 2020 12:09 pm
13-01-2020 Sun Time lapse

Last post by pedro « Wed Jan 15, 2020 1:18 pm
Replies: 7
by rsfoto » Tue Jan 14, 2020 4:10 pm

7 Replies

102 Views

Last post by pedro
Wed Jan 15, 2020 1:18 pm
More Cycle 25 Activity - 14th January

Last post by salvo lauricella « Wed Jan 15, 2020 12:59 pm
Replies: 9
by marktownley » Tue Jan 14, 2020 8:19 pm

9 Replies

161 Views

Last post by salvo lauricella
Wed Jan 15, 2020 12:59 pm
Visual Solar Observing

Last post by dhkaiser « Wed Jan 15, 2020 12:10 pm
Replies: 17
by DeepSolar64 » Sat Jan 11, 2020 2:48 am

17 Replies

290 Views

Last post by dhkaiser
Wed Jan 15, 2020 12:10 pm
Genika?

Last post by Montana « Wed Jan 15, 2020 10:09 am
Replies: 3
by Montana » Wed Jan 15, 2020 8:06 am

3 Replies

145 Views

Last post by Montana
Wed Jan 15, 2020 10:09 am
Motorized Etalon Tuners

Last post by Rusted « Wed Jan 15, 2020 8:46 am
Replies: 13
by Martin_S » Sat Nov 16, 2019 8:01 pm

13 Replies

487 Views

Last post by Rusted
Wed Jan 15, 2020 8:46 am
Lunt LS50THa b400 first light- a frustrating event

Last post by nebulabru « Tue Jan 14, 2020 8:43 pm
Replies: 18
by T McVicar » Thu Apr 07, 2016 1:52 am

18 Replies

1729 Views

Last post by nebulabru
Tue Jan 14, 2020 8:43 pm
Full Disc 11 January 2020

Last post by rsfoto « Tue Jan 14, 2020 3:49 pm
Replies: 14
by rsfoto » Sat Jan 11, 2020 9:41 pm

14 Replies

445 Views

Last post by rsfoto
Tue Jan 14, 2020 3:49 pm
CaK disc and ARs of January 12

Last post by krakatoa1883 « Tue Jan 14, 2020 3:32 pm
Replies: 12
by krakatoa1883 » Sun Jan 12, 2020 1:37 pm

12 Replies

145 Views

Last post by krakatoa1883
Tue Jan 14, 2020 3:32 pm
Sol from the 13th of January 2020.

Last post by MalVeauX « Tue Jan 14, 2020 2:21 pm
Replies: 8
by eroel » Tue Jan 14, 2020 12:52 am

8 Replies

99 Views

Last post by MalVeauX
Tue Jan 14, 2020 2:21 pm
Full Disc 13 January 2020

Last post by MalVeauX « Tue Jan 14, 2020 2:21 pm
Replies: 9
by rsfoto » Mon Jan 13, 2020 10:28 pm

9 Replies

122 Views

Last post by MalVeauX
Tue Jan 14, 2020 2:21 pm
Sun Time lapse over 2h 35m on the old cycle 24 spot

Last post by MAURITS « Tue Jan 14, 2020 11:15 am
Replies: 6
by rsfoto » Mon Jan 13, 2020 11:56 pm

6 Replies

94 Views

Last post by MAURITS
Tue Jan 14, 2020 11:15 am
Lucky me ...

Last post by Montana « Tue Jan 14, 2020 9:49 am
Replies: 7
by MAURITS » Mon Jan 13, 2020 5:23 pm

7 Replies

165 Views

Last post by Montana
Tue Jan 14, 2020 9:49 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

193 Views

Last post by Carbon60
Tue Jan 14, 2020 6:38 am
Sol from the 11th of January 2020.

Last post by eroel « Mon Jan 13, 2020 3:47 pm
Replies: 8
by eroel » Sun Jan 12, 2020 10:35 pm

8 Replies

107 Views

Last post by eroel
Mon Jan 13, 2020 3:47 pm
No adapters, no tube cutting: the easiest 80mm "stage 1" Lunt LS50 mod possible!

Last post by marktownley « Mon Jan 13, 2020 2:32 pm
Replies: 7
by Roel80 » Mon Dec 23, 2019 2:38 pm

7 Replies

290 Views

Last post by marktownley
Mon Jan 13, 2020 2:32 pm
Is this possible?

Last post by antonello « Mon Jan 13, 2020 6:57 am
Replies: 2
by hopskipson » Sat Jan 11, 2020 9:00 pm

2 Replies

106 Views

Last post by antonello
Mon Jan 13, 2020 6:57 am
Blocking filters and wintertime

Last post by Bob Yoesle « Sun Jan 12, 2020 9:15 pm
Replies: 20
by DeepSolar64 » Sat Sep 07, 2019 4:39 am

20 Replies

959 Views

Last post by Bob Yoesle
Sun Jan 12, 2020 9:15 pm
Full Disc 08 January 2020

Last post by eroel « Sun Jan 12, 2020 8:13 pm
Replies: 24
by rsfoto » Wed Jan 08, 2020 9:29 pm

24 Replies

273 Views

Last post by eroel
Sun Jan 12, 2020 8:13 pm
Very slow

Last post by rsfoto « Sun Jan 12, 2020 7:47 pm
Replies: 18
by Montana » Wed Jan 08, 2020 8:41 am

18 Replies

360 Views

Last post by rsfoto
Sun Jan 12, 2020 7:47 pm
Coronado PST testing

Last post by Montana « Sun Jan 12, 2020 6:30 pm
Replies: 31
by Montana » Sat Nov 30, 2019 5:49 pm
1

2
31 Replies

731 Views

Last post by Montana
Sun Jan 12, 2020 6:30 pm
FD and prominence 11/01/2020

Last post by MapleRidge « Sun Jan 12, 2020 12:45 pm
Replies: 10
by salvo lauricella » Sat Jan 11, 2020 12:54 pm

10 Replies

111 Views

Last post by MapleRidge
Sun Jan 12, 2020 12:45 pm
Why no DSLR cameras?

Last post by christian viladrich « Sun Jan 12, 2020 9:47 am
Replies: 8
by dhkaiser » Sat Dec 14, 2019 4:00 pm

8 Replies

333 Views

Last post by christian viladrich
Sun Jan 12, 2020 9:47 am
Herschel Wedges

Last post by DeepSolar64 « Sun Jan 12, 2020 3:21 am
Replies: 11
by ffellah » Fri Dec 27, 2019 4:55 pm

11 Replies

266 Views

Last post by DeepSolar64
Sun Jan 12, 2020 3:21 am
DSLR Solar Photography??

Last post by DeepSolar64 « Sun Jan 12, 2020 2:49 am
Replies: 7
by DeepSolar64 » Sat Jan 11, 2020 3:00 am

7 Replies

126 Views

Last post by DeepSolar64
Sun Jan 12, 2020 2:49 am
Lunt LS50 /600 vs LS60/600

Last post by hopskipson « Sat Jan 11, 2020 10:16 pm
Replies: 11
by nebulabru » Thu Jan 02, 2020 8:05 pm

11 Replies

233 Views

Last post by hopskipson
Sat Jan 11, 2020 10:16 pm
Resolution vs. Details

Last post by hopskipson « Sat Jan 11, 2020 10:00 pm
Replies: 5
by Pluton » Thu Jan 09, 2020 3:28 pm

5 Replies

152 Views

Last post by hopskipson
Sat Jan 11, 2020 10:00 pm
Sol from the 10th of January 2020.

Last post by hopskipson « Sat Jan 11, 2020 9:46 pm
Replies: 7
by eroel » Sat Jan 11, 2020 4:24 am

7 Replies

103 Views

Last post by hopskipson
Sat Jan 11, 2020 9:46 pm
Albany, NY help needed

Last post by hopskipson « Sat Jan 11, 2020 9:38 pm
Replies: 1
by ffellah » Sat Jan 11, 2020 5:45 pm

1 Replies

71 Views

Last post by hopskipson
Sat Jan 11, 2020 9:38 pm
Sol from the 9th of January 2020.

Last post by krakatoa1883 « Sat Jan 11, 2020 4:23 pm
Replies: 10
by eroel » Sat Jan 11, 2020 4:20 am

10 Replies

122 Views

Last post by krakatoa1883
Sat Jan 11, 2020 4:23 pm
Full disk (HA) 2020-01-06

Last post by MapleRidge « Sat Jan 11, 2020 1:14 pm
Replies: 10
by JochenM » Mon Jan 06, 2020 2:08 pm

10 Replies

191 Views

Last post by MapleRidge
Sat Jan 11, 2020 1:14 pm
Jan. 7 and 8, 2020 LS80

Last post by MapleRidge « Sat Jan 11, 2020 1:13 pm
Replies: 12
by Astrophil » Thu Jan 09, 2020 3:21 am

12 Replies

175 Views

Last post by MapleRidge
Sat Jan 11, 2020 1:13 pm
Full Disk CaK/H-alpha 20200109

Last post by MapleRidge « Sat Jan 11, 2020 1:08 pm
Replies: 12
by salvo lauricella » Thu Jan 09, 2020 3:25 pm

12 Replies

198 Views

Last post by MapleRidge
Sat Jan 11, 2020 1:08 pm
Current AR's in High Res, Full Disc | Jan 9th 2020

Last post by MapleRidge « Sat Jan 11, 2020 1:02 pm
Replies: 9
by MalVeauX » Thu Jan 09, 2020 9:17 pm

9 Replies

130 Views

Last post by MapleRidge
Sat Jan 11, 2020 1:02 pm
Full Disc 09 January 2020

Last post by MapleRidge « Sat Jan 11, 2020 12:58 pm
Replies: 10
by rsfoto » Thu Jan 09, 2020 11:11 pm

10 Replies

117 Views

Last post by MapleRidge
Sat Jan 11, 2020 12:58 pm
AR2755 2020/1/5

Last post by salvo lauricella « Thu Jan 09, 2020 7:16 pm
Replies: 12
by oli14 » Mon Jan 06, 2020 10:16 pm

12 Replies

178 Views

Last post by salvo lauricella
Thu Jan 09, 2020 7:16 pm
Gong showing new feature

Last post by Montana « Thu Jan 09, 2020 8:15 am
Replies: 7
by dhkaiser » Wed Jan 08, 2020 1:14 pm

7 Replies

160 Views

Last post by Montana
Thu Jan 09, 2020 8:15 am
Sun in H-alpha (2020/01/05)

Last post by salvo lauricella « Wed Jan 08, 2020 8:39 am
Replies: 14
by salvo lauricella » Sun Jan 05, 2020 11:24 am

14 Replies

159 Views

Last post by salvo lauricella
Wed Jan 08, 2020 8:39 am
Jan 6, 2020 LS80

Last post by DeepSolar64 « Wed Jan 08, 2020 6:06 am
Replies: 10
by Astrophil » Tue Jan 07, 2020 3:10 am

10 Replies

138 Views

Last post by DeepSolar64
Wed Jan 08, 2020 6:06 am
AR2755 in High Res | Jan 6th 2020

Last post by MalVeauX « Wed Jan 08, 2020 2:21 am
Replies: 15
by MalVeauX » Mon Jan 06, 2020 10:34 pm

15 Replies

179 Views

Last post by MalVeauX
Wed Jan 08, 2020 2:21 am
Jan 5th in Ha

Last post by MapleRidge « Tue Jan 07, 2020 11:50 pm
Replies: 13
by MapleRidge » Tue Jan 07, 2020 1:53 am

13 Replies

169 Views

Last post by MapleRidge
Tue Jan 07, 2020 11:50 pm
Mercury Transit in 3D

Last post by Carbon60 « Tue Jan 07, 2020 8:15 pm
Replies: 7
by Carbon60 » Sat Jan 04, 2020 5:08 pm

7 Replies

145 Views

Last post by Carbon60
Tue Jan 07, 2020 8:15 pm
Full Disc 06 January 2020

Last post by Carbon60 « Tue Jan 07, 2020 8:00 pm
Replies: 8
by rsfoto » Mon Jan 06, 2020 11:10 pm

8 Replies

115 Views

Last post by Carbon60
Tue Jan 07, 2020 8:00 pm
Sol from the 6th of January 2020.

Last post by MalVeauX « Tue Jan 07, 2020 11:35 am
Replies: 4
by eroel » Tue Jan 07, 2020 4:32 am

4 Replies

83 Views

Last post by MalVeauX
Tue Jan 07, 2020 11:35 am
Solarcan

Last post by Montana « Tue Jan 07, 2020 8:12 am
Replies: 1
by Sime55+ » Mon Jan 06, 2020 12:53 pm

1 Replies

90 Views

Last post by Montana
Tue Jan 07, 2020 8:12 am
Something About to Round The Limb? 5th January

Last post by marktownley « Tue Jan 07, 2020 6:23 am
Replies: 12
by marktownley » Sun Jan 05, 2020 5:43 pm

12 Replies

173 Views

Last post by marktownley
Tue Jan 07, 2020 6:23 am
Sol from the 4th of January 2020.

Last post by eroel « Tue Jan 07, 2020 4:28 am
Replies: 11
by eroel » Sun Jan 05, 2020 7:00 pm

11 Replies

123 Views

Last post by eroel
Tue Jan 07, 2020 4:28 am
Jan 5, 2020 LS80

Last post by Astrophil « Tue Jan 07, 2020 2:55 am
Replies: 11
by Astrophil » Sun Jan 05, 2020 8:44 pm

11 Replies

127 Views

Last post by Astrophil
Tue Jan 07, 2020 2:55 am
AR2736 in Ca K on 24 March 2019

Last post by christian viladrich « Mon Jan 06, 2020 7:40 pm
Replies: 7
by christian viladrich » Sun Jan 05, 2020 5:44 pm

7 Replies

119 Views

Last post by christian viladrich
Mon Jan 06, 2020 7:40 pm
New version of ImPPG: faster processing on the GPU

Last post by Bruce G « Mon Jan 06, 2020 2:49 pm
Replies: 23
by GreatAttractor » Mon Dec 23, 2019 9:53 pm

23 Replies

597 Views

Last post by Bruce G
Mon Jan 06, 2020 2:49 pm
Today's SUN (20200105) | TEC140, Quark Chromosphere

Last post by pedro « Mon Jan 06, 2020 1:41 pm
Replies: 12
by pedro » Sun Jan 05, 2020 2:01 pm

12 Replies

265 Views

Last post by pedro
Mon Jan 06, 2020 1:41 pm
AR2755

Last post by banjo « Mon Jan 06, 2020 12:24 pm
Replies: 13
by banjo » Fri Jan 03, 2020 7:54 am

13 Replies

204 Views

Last post by banjo
Mon Jan 06, 2020 12:24 pm
Full Disc 05 January 2020

Last post by Montana « Mon Jan 06, 2020 12:07 pm
Replies: 4
by rsfoto » Mon Jan 06, 2020 12:27 am

4 Replies

76 Views

Last post by Montana
Mon Jan 06, 2020 12:07 pm
AR2755 & Filaments, High Res & Wide Field | Jan 5th 2020

Last post by Montana « Mon Jan 06, 2020 11:58 am
Replies: 9
by MalVeauX » Mon Jan 06, 2020 1:36 am

9 Replies

84 Views

Last post by Montana
Mon Jan 06, 2020 11:58 am
New Member

Last post by pedro « Mon Jan 06, 2020 11:41 am
Replies: 8
by BigDob » Sun Jan 05, 2020 1:12 am

8 Replies

113 Views

Last post by pedro
Mon Jan 06, 2020 11:41 am
Another solar reflection from the last day of 2019.

Last post by pedro « Mon Jan 06, 2020 10:49 am
Replies: 12
by eroel » Thu Jan 02, 2020 7:45 pm

12 Replies

178 Views

Last post by pedro
Mon Jan 06, 2020 10:49 am
Today's SUN (20200103) | AR12755 + jet transit

Last post by pedro « Mon Jan 06, 2020 10:42 am
Replies: 16
by pedro » Fri Jan 03, 2020 7:52 pm

16 Replies

324 Views

Last post by pedro
Mon Jan 06, 2020 10:42 am
Full Disc 04 January 2020

Last post by Montana « Mon Jan 06, 2020 10:27 am
Replies: 12
by rsfoto » Sat Jan 04, 2020 11:10 pm

12 Replies

122 Views

Last post by Montana
Mon Jan 06, 2020 10:27 am
Sol from the 3rd day of 2020.

Last post by Montana « Mon Jan 06, 2020 10:16 am
Replies: 8
by eroel » Sat Jan 04, 2020 3:38 pm

8 Replies

86 Views

Last post by Montana
Mon Jan 06, 2020 10:16 am
January 3 Sun with AR12755

Last post by Montana « Mon Jan 06, 2020 10:06 am
Replies: 11
by Dave S » Fri Jan 03, 2020 8:31 pm

11 Replies

130 Views

Last post by Montana
Mon Jan 06, 2020 10:06 am
Full Disc 03 January 2020

Last post by Montana « Mon Jan 06, 2020 10:05 am
Replies: 7
by rsfoto » Fri Jan 03, 2020 9:24 pm

7 Replies

96 Views

Last post by Montana
Mon Jan 06, 2020 10:05 am
Lunt 60 Pressure tuning question(s)

Last post by hopskipson « Sun Jan 05, 2020 9:44 pm
Replies: 32
by pauljones » Tue Nov 26, 2013 2:01 pm
1

2
32 Replies

4543 Views

Last post by hopskipson
Sun Jan 05, 2020 9:44 pm
Interesting find ...

Last post by rsfoto « Sun Jan 05, 2020 3:57 pm
Replies: 3
by rsfoto » Sat Jan 04, 2020 5:46 pm

3 Replies

95 Views

Last post by rsfoto
Sun Jan 05, 2020 3:57 pm
New Active Region (AR2755?), High Res & Full Discs | Jan 2nd 2020

Last post by Carbon60 « Sun Jan 05, 2020 2:15 pm
Replies: 14
by MalVeauX » Thu Jan 02, 2020 6:47 pm

14 Replies

203 Views

Last post by Carbon60
Sun Jan 05, 2020 2:15 pm
January 1, 2020 FDs + Highlights

Last post by Astrophil « Sun Jan 05, 2020 3:58 am
Replies: 10
by Astrophil » Thu Jan 02, 2020 5:43 am

10 Replies

150 Views

Last post by Astrophil
Sun Jan 05, 2020 3:58 am
Solar Activity 1st Jan 2020

Last post by Merlin66 « Sat Jan 04, 2020 11:31 pm
Replies: 16
by Merlin66 » Thu Jan 02, 2020 11:02 pm

16 Replies

174 Views

Last post by Merlin66
Sat Jan 04, 2020 11:31 pm
Sol from the 31st of December 2019.

Last post by eroel « Sat Jan 04, 2020 3:27 pm
Replies: 7
by eroel » Fri Jan 03, 2020 12:15 am

7 Replies

110 Views

Last post by eroel
Sat Jan 04, 2020 3:27 pm
Sun January 1, 2020

Last post by ffellah « Sat Jan 04, 2020 3:00 pm
Replies: 18
by ffellah » Wed Jan 01, 2020 8:15 pm

18 Replies

307 Views

Last post by ffellah
Sat Jan 04, 2020 3:00 pm
Sol and its reflection from the last day of 2019.

Last post by marktownley « Sat Jan 04, 2020 9:46 am
Replies: 13
by eroel » Wed Jan 01, 2020 7:23 pm

13 Replies

202 Views

Last post by marktownley
Sat Jan 04, 2020 9:46 am
Usual duration BF filters(Lunt)

Last post by nebulabru « Fri Jan 03, 2020 3:19 pm
Replies: 2
by nebulabru » Thu Jan 02, 2020 8:09 pm

2 Replies

114 Views

Last post by nebulabru
Fri Jan 03, 2020 3:19 pm
Another 25th cycle spot

Last post by krakatoa1883 « Fri Jan 03, 2020 9:59 am
Replies: 16
by krakatoa1883 » Wed Jan 01, 2020 11:31 am

16 Replies

263 Views

Last post by krakatoa1883
Fri Jan 03, 2020 9:59 am
Solar Activity 27th Dec 2019

Last post by eroel « Thu Jan 02, 2020 11:19 pm
Replies: 13
by Merlin66 » Mon Dec 30, 2019 12:58 am

13 Replies

202 Views

Last post by eroel
Thu Jan 02, 2020 11:19 pm
Lunt LS60 DS – Testing a new toy

Last post by Ronnie_Clayton « Thu Jan 02, 2020 10:18 pm
Replies: 23
by Ronnie_Clayton » Mon Dec 30, 2019 12:35 pm

23 Replies

322 Views

Last post by Ronnie_Clayton
Thu Jan 02, 2020 10:18 pm
New active region in H-alpha 01/10/2020

Last post by eroel « Thu Jan 02, 2020 7:42 pm
Replies: 10
by Martin_S » Wed Jan 01, 2020 12:46 pm

10 Replies

193 Views

Last post by eroel
Thu Jan 02, 2020 7:42 pm
The Solarscope in winter!!!!!

Last post by pedro « Thu Jan 02, 2020 1:00 pm
Replies: 13
by Montana » Tue Dec 31, 2019 4:31 pm

13 Replies

242 Views

Last post by pedro
Thu Jan 02, 2020 1:00 pm
halpha sun of January 1st

Last post by Montana « Thu Jan 02, 2020 12:32 pm
Replies: 4
by stef41 » Wed Jan 01, 2020 9:41 pm

4 Replies

95 Views

Last post by Montana
Thu Jan 02, 2020 12:32 pm
Today's SUN (20191228) | TV101, LUNT60, TEC140

Last post by pedro « Thu Jan 02, 2020 8:35 am
Replies: 8
by pedro » Sat Dec 28, 2019 5:45 pm

8 Replies

319 Views

Last post by pedro
Thu Jan 02, 2020 8:35 am
A new AR at the sun face has developed.

Last post by banjo « Thu Jan 02, 2020 7:23 am
Replies: 5
by Valery » Wed Jan 01, 2020 10:59 am

5 Replies

136 Views

Last post by banjo
Thu Jan 02, 2020 7:23 am
last animation of the year 2019

Last post by banjo « Thu Jan 02, 2020 7:16 am
Replies: 8
by banjo » Tue Dec 31, 2019 3:50 pm

8 Replies

132 Views

Last post by banjo
Thu Jan 02, 2020 7:16 am
Happy New year

Last post by MAURITS « Wed Jan 01, 2020 9:14 pm
Replies: 5
by Stardust5858 » Tue Dec 31, 2019 8:48 pm

5 Replies

117 Views

Last post by MAURITS
Wed Jan 01, 2020 9:14 pm
This forum is great

Last post by MAURITS « Wed Jan 01, 2020 9:12 pm
Replies: 5
by dhkaiser » Wed Jan 01, 2020 4:56 pm

5 Replies

118 Views

Last post by MAURITS
Wed Jan 01, 2020 9:12 pm
My new observatory

Last post by krakatoa1883 « Wed Jan 01, 2020 1:45 pm
Replies: 14
by Montana » Tue Dec 31, 2019 11:16 am

14 Replies

257 Views

Last post by krakatoa1883
Wed Jan 01, 2020 1:45 pm
New Skywatcher Solarquest mount

Last post by Martin_S « Wed Jan 01, 2020 12:54 pm
Replies: 22
by c8er » Wed Sep 12, 2018 9:04 pm

22 Replies

3081 Views

Last post by Martin_S
Wed Jan 01, 2020 12:54 pm
Last session for 2019

Last post by marktownley « Wed Jan 01, 2020 11:30 am
Replies: 6
by Martin_S » Tue Dec 31, 2019 11:53 am

6 Replies

110 Views

Last post by marktownley
Wed Jan 01, 2020 11:30 am
Ha Full Disk 30th December

Last post by marktownley « Wed Jan 01, 2020 11:29 am
Replies: 12
by marktownley » Mon Dec 30, 2019 5:18 pm

12 Replies

192 Views

Last post by marktownley
Wed Jan 01, 2020 11:29 am
Sun to low for me

Last post by viewer « Wed Jan 01, 2020 10:40 am
Replies: 8
by Stardust5858 » Sun Dec 29, 2019 6:41 pm

8 Replies

162 Views

Last post by viewer
Wed Jan 01, 2020 10:40 am
All is not lost

Last post by MapleRidge « Tue Dec 31, 2019 11:58 pm
Replies: 12
by Stardust5858 » Mon Dec 30, 2019 7:39 pm

12 Replies

206 Views

Last post by MapleRidge
Tue Dec 31, 2019 11:58 pm
Full Disc 30 December 2019

Last post by MapleRidge « Tue Dec 31, 2019 11:56 pm
Replies: 10
by rsfoto » Mon Dec 30, 2019 9:42 pm

10 Replies

139 Views

Last post by MapleRidge
Tue Dec 31, 2019 11:56 pm
Misery on observatory

Last post by rsfoto « Tue Dec 31, 2019 4:32 pm
Replies: 5
by banjo » Tue Dec 31, 2019 10:43 am

5 Replies

112 Views

Last post by rsfoto
Tue Dec 31, 2019 4:32 pm
Full disk 2019-12-30

Last post by JochenM « Tue Dec 31, 2019 10:58 am
Replies: 8
by JochenM » Mon Dec 30, 2019 3:57 pm

8 Replies

114 Views

Last post by JochenM
Tue Dec 31, 2019 10:58 am
Solar Images 29/12/2019

Last post by Montana « Tue Dec 31, 2019 10:40 am
Replies: 12
by Martin_S » Mon Dec 30, 2019 1:36 am

12 Replies

198 Views

Last post by Montana
Tue Dec 31, 2019 10:40 am
Today's SUN (20191227) | FD images (3 lights)

Last post by pedro « Mon Dec 30, 2019 1:13 pm
Replies: 10
by pedro » Fri Dec 27, 2019 4:29 pm

10 Replies

333 Views

Last post by pedro
Mon Dec 30, 2019 1:13 pm
Sun 27 décembre 19- NEW Proms-NEW animation

Last post by banjo « Mon Dec 30, 2019 12:21 pm
Replies: 15
by banjo » Fri Dec 27, 2019 5:33 pm

15 Replies

246 Views

Last post by banjo
Mon Dec 30, 2019 12:21 pm
Belated mercury transit image

Last post by Boso36 « Mon Dec 30, 2019 8:59 am
Replies: 12
by Stardust5858 » Fri Dec 13, 2019 2:00 am

12 Replies

305 Views

Last post by Boso36
Mon Dec 30, 2019 8:59 am
C90 for white light?

Last post by MAURITS « Mon Dec 30, 2019 8:26 am
Replies: 3
by dhkaiser » Sat Dec 28, 2019 2:29 am

3 Replies

122 Views

Last post by MAURITS
Mon Dec 30, 2019 8:26 am
halpha sun of December 29th

Last post by MAURITS « Sun Dec 29, 2019 10:24 pm
Replies: 7
by stef41 » Sun Dec 29, 2019 3:12 pm

7 Replies

140 Views

Last post by MAURITS
Sun Dec 29, 2019 10:24 pm
Full Disc 27 December 2019

Last post by MapleRidge « Sun Dec 29, 2019 6:32 pm
Replies: 8
by rsfoto » Fri Dec 27, 2019 9:01 pm

8 Replies

146 Views

Last post by MapleRidge
Sun Dec 29, 2019 6:32 pm
Dec 22 Session

Last post by MapleRidge « Sun Dec 29, 2019 6:17 pm
Replies: 11
by MapleRidge » Fri Dec 27, 2019 1:54 pm

11 Replies

165 Views

Last post by MapleRidge
Sun Dec 29, 2019 6:17 pm
PST conversion?

Last post by marktownley « Sun Dec 29, 2019 4:50 pm
Replies: 1
by garymck » Sun Dec 29, 2019 8:11 am

1 Replies

215 Views

Last post by marktownley
Sun Dec 29, 2019 4:50 pm
Full Disc 26 December 2019

Last post by rsfoto « Fri Dec 27, 2019 5:24 pm
Replies: 6
by rsfoto » Thu Dec 26, 2019 10:18 pm

6 Replies

129 Views

Last post by rsfoto
Fri Dec 27, 2019 5:24 pm
Two sets of sunspots now

Last post by MAURITS « Fri Dec 27, 2019 2:13 pm
Replies: 8
by ffellah » Wed Dec 25, 2019 1:24 am

8 Replies

214 Views

Last post by MAURITS
Fri Dec 27, 2019 2:13 pm
A new, belong to Cycle-25, sunspot!

Last post by MAURITS « Fri Dec 27, 2019 2:11 pm
Replies: 12
by Valery » Tue Dec 24, 2019 8:10 am

12 Replies

284 Views

Last post by MAURITS
Fri Dec 27, 2019 2:11 pm
Thinking of changing my camera

Last post by Stardust5858 « Fri Dec 27, 2019 11:00 am
Replies: 2
by Stardust5858 » Fri Dec 27, 2019 10:18 am

2 Replies

106 Views

Last post by Stardust5858
Fri Dec 27, 2019 11:00 am
A 6" f/8 PST mod? Are we kidding ourselves?

Last post by Rusted « Fri Dec 27, 2019 9:41 am
Replies: 30
by Rusted » Sat Oct 19, 2019 11:51 am
1

2
30 Replies

1776 Views

Last post by Rusted
Fri Dec 27, 2019 9:41 am
Sunspots AR2753 and AR2754

Last post by DeepSolar64 « Fri Dec 27, 2019 3:34 am
Replies: 10
by rsfoto » Wed Dec 25, 2019 8:49 pm

10 Replies

189 Views

Last post by DeepSolar64
Fri Dec 27, 2019 3:34 am
Seasons Greetings

Last post by DeepSolar64 « Fri Dec 27, 2019 3:33 am
Replies: 8
by MapleRidge » Tue Dec 24, 2019 9:54 pm

8 Replies

155 Views

Last post by DeepSolar64
Fri Dec 27, 2019 3:33 am
Full disk from 14-11-2019

Last post by rsfoto « Fri Dec 27, 2019 1:35 am
Replies: 9
by rsfoto » Fri Nov 15, 2019 4:37 pm

9 Replies

233 Views

Last post by rsfoto
Fri Dec 27, 2019 1:35 am
"Astronomie Solaire" - New (French) book on Solar Observation now available

Last post by Stardust5858 « Thu Dec 26, 2019 9:37 pm
Replies: 28
by christian viladrich » Thu Oct 11, 2018 6:48 pm
1

2
28 Replies

3270 Views

Last post by Stardust5858
Thu Dec 26, 2019 9:37 pm
Full Disc 24 December 2019

Last post by Carbon60 « Thu Dec 26, 2019 7:36 pm
Replies: 16
by rsfoto » Tue Dec 24, 2019 9:14 pm

16 Replies

217 Views

Last post by Carbon60
Thu Dec 26, 2019 7:36 pm
Cycle 25 AR2753 & AR2754 | Dec 25th 2019

Last post by marktownley « Thu Dec 26, 2019 7:24 pm
Replies: 11
by MalVeauX » Wed Dec 25, 2019 4:56 pm

11 Replies

188 Views

Last post by marktownley
Thu Dec 26, 2019 7:24 pm
Solarcan special - Merry Christmas

Last post by Montana « Thu Dec 26, 2019 6:59 pm
Replies: 10
by Montana » Wed Dec 25, 2019 11:03 am

10 Replies

194 Views

Last post by Montana
Thu Dec 26, 2019 6:59 pm
ImPPG version 0.6.0

Last post by rsfoto « Thu Dec 26, 2019 12:01 am
Replies: 9
by GreatAttractor » Mon Dec 23, 2019 9:52 pm

9 Replies

288 Views

Last post by rsfoto
Thu Dec 26, 2019 12:01 am
Time for selling...

Last post by marktownley « Wed Dec 25, 2019 7:28 pm
Replies: 11
by langleif2 » Mon Oct 14, 2019 7:41 am

11 Replies

857 Views

Last post by marktownley
Wed Dec 25, 2019 7:28 pm
Some Minor Activity (Plages) | Dec 23rd 2019

Last post by Montana « Wed Dec 25, 2019 2:29 pm
Replies: 9
by MalVeauX » Mon Dec 23, 2019 5:54 pm

9 Replies

168 Views

Last post by Montana
Wed Dec 25, 2019 2:29 pm
SH Quark Chromosphere

Last post by marktownley « Wed Dec 25, 2019 2:11 pm
Replies: 3
by AndiesHandyHandies » Tue Dec 24, 2019 3:17 pm

3 Replies

164 Views

Last post by marktownley
Wed Dec 25, 2019 2:11 pm
Full Disc 23 December 2019

Last post by MapleRidge « Wed Dec 25, 2019 12:29 pm
Replies: 12
by rsfoto » Mon Dec 23, 2019 10:25 pm

12 Replies

159 Views

Last post by MapleRidge
Wed Dec 25, 2019 12:29 pm
Lunt PT O rings

Last post by george9 « Tue Dec 24, 2019 10:37 pm
Replies: 2
by Merlin66 » Mon Dec 23, 2019 1:06 pm

2 Replies

144 Views

Last post by george9
Tue Dec 24, 2019 10:37 pm
2017 eclipse CATE project

Last post by robert « Tue Dec 24, 2019 5:31 pm
Replies: 4
by robert » Sun Dec 22, 2019 8:41 am

4 Replies

180 Views

Last post by robert
Tue Dec 24, 2019 5:31 pm
Skywatcher DC Motor drive for PST etalon.

Last post by Rusted « Tue Dec 24, 2019 3:23 pm
Replies: 29
by Rusted » Mon Nov 18, 2019 3:41 pm
1

2
29 Replies

922 Views

Last post by Rusted
Tue Dec 24, 2019 3:23 pm
Winter Solstice Prominence Animation

Last post by ffellah « Tue Dec 24, 2019 1:25 am
Replies: 9
by Christopher » Mon Dec 23, 2019 1:53 am

9 Replies

149 Views

Last post by ffellah
Tue Dec 24, 2019 1:25 am
Solar imaging camera research

Last post by MalVeauX « Mon Dec 23, 2019 9:48 pm
Replies: 25
by Montana » Tue Sep 22, 2015 9:44 am
1

2
25 Replies

3201 Views

Last post by MalVeauX
Mon Dec 23, 2019 9:48 pm
Sol from the 18th of December 2019.

Last post by MalVeauX « Mon Dec 23, 2019 9:42 pm
Replies: 12
by eroel » Fri Dec 20, 2019 7:51 pm

12 Replies

206 Views

Last post by MalVeauX
Mon Dec 23, 2019 9:42 pm
Solar Analemma 2016-2019

Last post by MalVeauX « Mon Dec 23, 2019 9:41 pm
Replies: 20
by Montana » Sat Dec 21, 2019 3:28 pm

20 Replies

300 Views

Last post by MalVeauX
Mon Dec 23, 2019 9:41 pm
Full Disc 22 December 2019

Last post by marktownley « Mon Dec 23, 2019 9:27 pm
Replies: 7
by rsfoto » Mon Dec 23, 2019 3:59 am

7 Replies

127 Views

Last post by marktownley
Mon Dec 23, 2019 9:27 pm
Trying to figure out the orientation

Last post by MAURITS « Mon Dec 23, 2019 9:01 pm
Replies: 4
by dhkaiser » Mon Dec 23, 2019 2:18 pm

4 Replies

108 Views

Last post by MAURITS
Mon Dec 23, 2019 9:01 pm
Today's SUN (20191222) | FD images (3 lights)

Last post by pedro « Mon Dec 23, 2019 10:32 am
Replies: 8
by pedro » Sun Dec 22, 2019 1:14 pm

8 Replies

333 Views

Last post by pedro
Mon Dec 23, 2019 10:32 am
Dec. 20 Full Disk

Last post by salvo lauricella « Mon Dec 23, 2019 10:12 am
Replies: 11
by Dave S » Sat Dec 21, 2019 12:31 am

11 Replies

198 Views

Last post by salvo lauricella
Mon Dec 23, 2019 10:12 am
What can I expect?

Last post by rsfoto « Sun Dec 22, 2019 9:15 pm
Replies: 11
by dhkaiser » Wed Dec 18, 2019 12:07 am

11 Replies

257 Views

Last post by rsfoto
Sun Dec 22, 2019 9:15 pm
Solar Analemma 2016-2019

Last post by banjo « Sun Dec 22, 2019 8:01 am
Replies: 10
by Montana » Sat Dec 21, 2019 3:28 pm

10 Replies

485 Views

Last post by banjo
Sun Dec 22, 2019 8:01 am
Convert my William Optics ZS80IIED

Last post by marktownley « Sat Dec 21, 2019 9:30 pm
Replies: 9
by p1taylor » Sun Dec 15, 2019 6:18 pm

9 Replies

256 Views

Last post by marktownley
Sat Dec 21, 2019 9:30 pm
Full disk 2019-12-19

Last post by salvo lauricella « Sat Dec 21, 2019 12:38 pm
Replies: 18
by JochenM » Thu Dec 19, 2019 3:07 pm

18 Replies

272 Views

Last post by salvo lauricella
Sat Dec 21, 2019 12:38 pm
Full disk and prominences 16 december

Last post by salvo lauricella « Sat Dec 21, 2019 12:36 pm
Replies: 19
by salvo lauricella » Mon Dec 16, 2019 12:44 pm

19 Replies

377 Views

Last post by salvo lauricella
Sat Dec 21, 2019 12:36 pm
my best pictures of 2019

Last post by banjo « Sat Dec 21, 2019 10:09 am
Replies: 20
by banjo » Wed Dec 18, 2019 9:46 am

20 Replies

343 Views

Last post by banjo
Sat Dec 21, 2019 10:09 am
Cycle 25 first spot has formed.

Last post by MapleRidge « Sat Dec 21, 2019 2:22 am
Replies: 7
by Valery » Thu Dec 19, 2019 7:36 pm

7 Replies

211 Views

Last post by MapleRidge
Sat Dec 21, 2019 2:22 am
Full Disk 18 December 2019

Last post by Carbon60 « Fri Dec 20, 2019 8:15 pm
Replies: 14
by rsfoto » Wed Dec 18, 2019 9:32 pm

14 Replies

214 Views

Last post by Carbon60
Fri Dec 20, 2019 8:15 pm
Flickr Pro discount

Last post by Carbon60 « Fri Dec 20, 2019 8:03 pm
Replies: 2
by Montana » Fri Dec 20, 2019 7:25 am

2 Replies

123 Views

Last post by Carbon60
Fri Dec 20, 2019 8:03 pm
12" White light Newtonian

Last post by christian viladrich « Fri Dec 20, 2019 10:59 am
Replies: 7
by AndiesHandyHandies » Thu Oct 24, 2019 8:09 am

7 Replies

517 Views

Last post by christian viladrich
Fri Dec 20, 2019 10:59 am
Full Disk 17 December 2019

Last post by marktownley « Thu Dec 19, 2019 6:46 pm
Replies: 6
by rsfoto » Tue Dec 17, 2019 9:36 pm

6 Replies

161 Views

Last post by marktownley
Thu Dec 19, 2019 6:46 pm
Lunt bf600 blocking filter

Last post by Stardust5858 « Thu Dec 19, 2019 3:17 am

by Stardust5858 » Thu Dec 19, 2019 3:17 am

0 Replies

126 Views

Last post by Stardust5858
Thu Dec 19, 2019 3:17 am
Processing Solar Proms Autostakkert 3 vs Registax 6

Last post by Jordan Konisky « Thu Dec 19, 2019 2:16 am
Replies: 9
by Jordan Konisky » Mon Dec 16, 2019 4:11 pm

9 Replies

299 Views

Last post by Jordan Konisky
Thu Dec 19, 2019 2:16 am
Today's SUN (20191217) | Solar Jet Transit

Last post by pedro « Thu Dec 19, 2019 12:22 am
Replies: 11
by pedro » Tue Dec 17, 2019 2:04 pm

11 Replies

395 Views

Last post by pedro
Thu Dec 19, 2019 12:22 am
Full Disk 2019-12-17

Last post by Stardust5858 « Wed Dec 18, 2019 6:07 pm
Replies: 14
by JochenM » Tue Dec 17, 2019 2:05 pm

14 Replies

222 Views

Last post by Stardust5858
Wed Dec 18, 2019 6:07 pm
Ignition of paper using lenses

Last post by Merlin66 « Tue Dec 17, 2019 8:13 pm
Replies: 5
by Merlin66 » Tue Dec 17, 2019 5:21 am

5 Replies

193 Views

Last post by Merlin66
Tue Dec 17, 2019 8:13 pm
Solar Cycle 25 - not looking good......

Last post by marktownley « Tue Dec 17, 2019 7:38 pm
Replies: 11
by Merlin66 » Tue Dec 17, 2019 4:17 am

11 Replies

260 Views

Last post by marktownley
Tue Dec 17, 2019 7:38 pm
Double Stack for Lunt 60

Last post by marktownley « Tue Dec 17, 2019 5:05 pm
Replies: 23
by salvo lauricella » Fri Dec 13, 2019 9:51 am

23 Replies

495 Views

Last post by marktownley
Tue Dec 17, 2019 5:05 pm
How to internally mount an ERF?

Last post by Rusted « Tue Dec 17, 2019 12:09 pm
Replies: 1
by Roel80 » Tue Dec 17, 2019 11:56 am

1 Replies

101 Views

Last post by Rusted
Tue Dec 17, 2019 12:09 pm
Full Disc 14 December 2019

Last post by rsfoto « Mon Dec 16, 2019 5:08 pm
Replies: 7
by rsfoto » Sat Dec 14, 2019 10:07 pm

7 Replies

203 Views

Last post by rsfoto
Mon Dec 16, 2019 5:08 pm
Introducing myself

Last post by salvo lauricella « Mon Dec 16, 2019 2:30 pm
Replies: 23
by salvo lauricella » Sun Dec 08, 2019 11:02 am

23 Replies

510 Views

Last post by salvo lauricella
Mon Dec 16, 2019 2:30 pm
Pedro RE' | Solar Astrophotography, AR12102/AR12110 (July, 2014)

Last post by pedro « Mon Dec 16, 2019 2:07 pm
Replies: 7
by pedro » Wed Dec 11, 2019 4:15 pm

7 Replies

417 Views

Last post by pedro
Mon Dec 16, 2019 2:07 pm
Full Disc 15 December 2019

Last post by salvo lauricella « Mon Dec 16, 2019 12:37 pm
Replies: 4
by rsfoto » Sun Dec 15, 2019 9:18 pm

4 Replies

159 Views

Last post by salvo lauricella
Mon Dec 16, 2019 12:37 pm
Dec 13 Full Disk

Last post by Montana « Mon Dec 16, 2019 10:04 am
Replies: 12
by Dave S » Fri Dec 13, 2019 9:04 pm

12 Replies

275 Views

Last post by Montana
Mon Dec 16, 2019 10:04 am
Full Disc 13 December 2019

Last post by Montana « Mon Dec 16, 2019 10:01 am
Replies: 15
by rsfoto » Sat Dec 14, 2019 4:25 pm

15 Replies

248 Views

Last post by Montana
Mon Dec 16, 2019 10:01 am
D-ERF in converging beam?

Last post by Rusted « Mon Dec 16, 2019 7:51 am
Replies: 26
by Rusted » Tue Dec 10, 2019 1:58 pm
1

2
26 Replies

777 Views

Last post by Rusted
Mon Dec 16, 2019 7:51 am
Introduction and small question

Last post by Carbon60 « Sun Dec 15, 2019 6:02 pm
Replies: 12
by JochenM » Tue Dec 10, 2019 2:51 pm

12 Replies

301 Views

Last post by Carbon60
Sun Dec 15, 2019 6:02 pm
Sunday 8th December

Last post by MapleRidge « Sun Dec 15, 2019 1:15 am
Replies: 15
by Montana » Sun Dec 08, 2019 7:22 pm

15 Replies

369 Views

Last post by MapleRidge
Sun Dec 15, 2019 1:15 am
Made the front cover of the BAA journal.

Last post by MAURITS « Sat Dec 14, 2019 6:45 pm
Replies: 16
by Stardust5858 » Thu Dec 05, 2019 9:00 am

16 Replies

485 Views

Last post by MAURITS
Sat Dec 14, 2019 6:45 pm
Autostakkert How Paint Alignment Points

Last post by PDB « Fri Dec 13, 2019 2:40 pm
Replies: 6
by Jordan Konisky » Thu Dec 12, 2019 10:16 pm

6 Replies

215 Views

Last post by PDB
Fri Dec 13, 2019 2:40 pm
NEW!!! animation on our star on December 10th+Prom

Last post by banjo « Fri Dec 13, 2019 8:47 am
Replies: 14
by banjo » Wed Dec 11, 2019 9:55 am

14 Replies

301 Views

Last post by banjo
Fri Dec 13, 2019 8:47 am
Sun on 9th December '19

Last post by Carbon60 « Thu Dec 12, 2019 6:56 am
Replies: 17
by Carbon60 » Mon Dec 09, 2019 8:48 pm

17 Replies

361 Views

Last post by Carbon60
Thu Dec 12, 2019 6:56 am
LuSol Guiding software

Last post by Martin_S « Thu Dec 12, 2019 6:19 am
Replies: 9
by Martin_S » Mon Dec 02, 2019 11:33 am

9 Replies

394 Views

Last post by Martin_S
Thu Dec 12, 2019 6:19 am
AR11944=AR11967 | (January/February 2014) Pedro RE'

Last post by pedro « Wed Dec 11, 2019 1:50 pm
Replies: 5
by pedro » Tue Dec 10, 2019 3:06 pm

5 Replies

239 Views

Last post by pedro
Wed Dec 11, 2019 1:50 pm
Today's SUN (20191206) | LUNT60 versus SOLARMAXIII 70mm

Last post by pedro « Tue Dec 10, 2019 4:51 pm
Replies: 9
by pedro » Fri Dec 06, 2019 4:12 pm

9 Replies

516 Views

Last post by pedro
Tue Dec 10, 2019 4:51 pm
Full Disc December 9 2019

Last post by banjo « Tue Dec 10, 2019 4:37 pm
Replies: 8
by rsfoto » Mon Dec 09, 2019 10:00 pm

8 Replies

186 Views

Last post by banjo
Tue Dec 10, 2019 4:37 pm
Sol from the 9th of December 2019.

Last post by banjo « Tue Dec 10, 2019 4:36 pm
Replies: 7
by eroel » Tue Dec 10, 2019 12:49 am

7 Replies

176 Views

Last post by banjo
Tue Dec 10, 2019 4:36 pm
Today's Large Prominences | Oct 15th 2019

Last post by pedro « Tue Dec 10, 2019 3:20 pm
Replies: 10
by MalVeauX » Tue Oct 15, 2019 9:07 pm

10 Replies

531 Views

Last post by pedro
Tue Dec 10, 2019 3:20 pm
"Magic" distance of Lunt LS50PT etalon from focal plane?

Last post by Roel80 « Tue Dec 10, 2019 2:59 pm
Replies: 15
by Roel80 » Sat Nov 23, 2019 8:45 am

15 Replies

529 Views

Last post by Roel80
Tue Dec 10, 2019 2:59 pm
Full Disk December 5 2019

Last post by rsfoto « Mon Dec 09, 2019 10:04 pm
Replies: 7
by rsfoto » Thu Dec 05, 2019 9:50 pm

7 Replies

229 Views

Last post by rsfoto
Mon Dec 09, 2019 10:04 pm
Full Disc December 07 2019

Last post by rsfoto « Mon Dec 09, 2019 9:58 pm
Replies: 8
by rsfoto » Sun Dec 08, 2019 9:18 pm

8 Replies

189 Views

Last post by rsfoto
Mon Dec 09, 2019 9:58 pm
Solar reflections mosaic on the Moon.

Last post by eroel « Mon Dec 09, 2019 8:18 pm
Replies: 9
by eroel » Thu Dec 05, 2019 2:50 pm

9 Replies

265 Views

Last post by eroel
Mon Dec 09, 2019 8:18 pm
Sol from the 8th of December 2019.

Last post by MAURITS « Mon Dec 09, 2019 3:57 pm
Replies: 4
by eroel » Sun Dec 08, 2019 11:19 pm

4 Replies

129 Views

Last post by MAURITS
Mon Dec 09, 2019 3:57 pm
Full Disc December 08 2019

Last post by MAURITS « Mon Dec 09, 2019 3:53 pm
Replies: 3
by rsfoto » Sun Dec 08, 2019 9:20 pm

3 Replies

116 Views

Last post by MAURITS
Mon Dec 09, 2019 3:53 pm
MOON (20191206) | reflected light

Last post by pedro « Mon Dec 09, 2019 2:57 pm
Replies: 11
by pedro » Sat Dec 07, 2019 2:04 pm

11 Replies

435 Views

Last post by pedro
Mon Dec 09, 2019 2:57 pm
Today's SUN (20191205) | FDs (3 lights)

Last post by pedro « Mon Dec 09, 2019 1:30 pm
Replies: 9
by pedro » Thu Dec 05, 2019 1:34 pm

9 Replies

416 Views

Last post by pedro
Mon Dec 09, 2019 1:30 pm
SW SolarQuest Mount | Taka FS60C, Coronado Solarmax III 70mm

Last post by pedro « Mon Dec 09, 2019 1:29 pm
Replies: 9
by pedro » Sat Dec 07, 2019 3:07 pm

9 Replies

456 Views

Last post by pedro
Mon Dec 09, 2019 1:29 pm
Full Disc 06/12/0219

Last post by Martin_S « Mon Dec 09, 2019 11:41 am
Replies: 9
by Martin_S » Fri Dec 06, 2019 9:23 pm

9 Replies

243 Views

Last post by Martin_S
Mon Dec 09, 2019 11:41 am
Coronado SolarMax III 70 mm H-Alpha Solar Telescope

Last post by pedro « Mon Dec 09, 2019 8:22 am
Replies: 8
by pedro » Sat Dec 07, 2019 10:10 am

8 Replies

518 Views

Last post by pedro
Mon Dec 09, 2019 8:22 am
Full Disc December 6 2019

Last post by marktownley « Mon Dec 09, 2019 6:13 am
Replies: 6
by rsfoto » Fri Dec 06, 2019 9:56 pm

6 Replies

186 Views

Last post by marktownley
Mon Dec 09, 2019 6:13 am
animation on our star on November 26th

Last post by banjo « Sat Dec 07, 2019 10:06 am
Replies: 15
by banjo » Mon Dec 02, 2019 3:46 pm

15 Replies

407 Views

Last post by banjo
Sat Dec 07, 2019 10:06 am
AR 12192 (20141021/25) | Pedro RE'

Last post by pedro « Sat Dec 07, 2019 9:43 am
Replies: 19
by pedro » Fri Nov 29, 2019 7:23 pm

19 Replies

437 Views

Last post by pedro
Sat Dec 07, 2019 9:43 am
Full Disk December 3 2019

Last post by ffellah « Thu Dec 05, 2019 12:21 pm
Replies: 7
by rsfoto » Tue Dec 03, 2019 9:05 pm

7 Replies

230 Views

Last post by ffellah
Thu Dec 05, 2019 12:21 pm
Those were the Days my Friends

Last post by Montana « Wed Dec 04, 2019 10:37 am
Replies: 9
by rsfoto » Tue Dec 03, 2019 4:01 pm

9 Replies

256 Views

Last post by Montana
Wed Dec 04, 2019 10:37 am
How bring ASI174MM in focus with PST solar telescope

Last post by marktownley « Wed Dec 04, 2019 7:27 am
Replies: 5
by Jordan Konisky » Mon Dec 02, 2019 4:10 pm

5 Replies

356 Views

Last post by marktownley
Wed Dec 04, 2019 7:27 am
Full Disk December 2 2019

Last post by MapleRidge « Tue Dec 03, 2019 11:38 pm
Replies: 9
by rsfoto » Mon Dec 02, 2019 8:51 pm

9 Replies

250 Views

Last post by MapleRidge
Tue Dec 03, 2019 11:38 pm
November 30th in Ha

Last post by MapleRidge « Tue Dec 03, 2019 11:30 pm
Replies: 14
by MapleRidge » Sun Dec 01, 2019 1:51 pm

14 Replies

339 Views

Last post by MapleRidge
Tue Dec 03, 2019 11:30 pm
transit of halpha mercury at fs60 and sm40DS

Last post by MAURITS « Tue Dec 03, 2019 8:27 pm
Replies: 10
by stef41 » Sun Nov 17, 2019 11:11 am

10 Replies

287 Views

Last post by MAURITS
Tue Dec 03, 2019 8:27 pm
Vixen VMC110 PST mod

Last post by marktownley « Tue Dec 03, 2019 7:36 pm
Replies: 22
by AndiesHandyHandies » Wed May 22, 2019 7:19 am

22 Replies

1666 Views

Last post by marktownley
Tue Dec 03, 2019 7:36 pm
Mercury Transit | 20191111

Last post by pedro « Tue Dec 03, 2019 10:52 am
Replies: 19
by pedro » Mon Nov 11, 2019 7:57 pm

19 Replies

684 Views

Last post by pedro
Tue Dec 03, 2019 10:52 am
Continuum under 450nm with good seeing

Last post by mattwastell « Tue Dec 03, 2019 9:19 am
Replies: 14
by allhoest » Wed Aug 28, 2019 4:07 pm

14 Replies

873 Views

Last post by mattwastell
Tue Dec 03, 2019 9:19 am
High Res Proms, Spicules, Cells | Jet Flyby | Oct 10th 2019

Last post by mattwastell « Tue Dec 03, 2019 9:11 am
Replies: 15
by MalVeauX » Thu Oct 10, 2019 5:46 pm

15 Replies

620 Views

Last post by mattwastell
Tue Dec 03, 2019 9:11 am
Mercury-Solar Transit Mega Thread | Nov 11th 2019

Last post by mattwastell « Tue Dec 03, 2019 8:53 am
Replies: 16
by MalVeauX » Mon Nov 11, 2019 9:58 pm

16 Replies

406 Views

Last post by mattwastell
Tue Dec 03, 2019 8:53 am
Mercury Transit November 2019

Last post by mattwastell « Tue Dec 03, 2019 8:44 am
Replies: 18
by Carbon60 » Mon Nov 11, 2019 7:09 pm

18 Replies

444 Views

Last post by mattwastell
Tue Dec 03, 2019 8:44 am
Beautiful High-Res HA image 22Nov19

Last post by mattwastell « Tue Dec 03, 2019 8:39 am
Replies: 16
by yltansg » Fri Nov 22, 2019 10:18 pm

16 Replies

491 Views

Last post by mattwastell
Tue Dec 03, 2019 8:39 am
Nov. 30 FDs and cute little prom

Last post by mattwastell « Tue Dec 03, 2019 8:35 am
Replies: 9
by Astrophil » Sun Dec 01, 2019 2:11 am

9 Replies

234 Views

Last post by mattwastell
Tue Dec 03, 2019 8:35 am
Full Disk December 1 2019

Last post by Astrophil « Mon Dec 02, 2019 8:36 pm
Replies: 6
by rsfoto » Sun Dec 01, 2019 9:57 pm

6 Replies

183 Views

Last post by Astrophil
Mon Dec 02, 2019 8:36 pm
Full Disk November 30 2019

Last post by rsfoto « Mon Dec 02, 2019 6:51 pm
Replies: 4
by rsfoto » Sun Dec 01, 2019 4:06 pm

4 Replies

133 Views

Last post by rsfoto
Mon Dec 02, 2019 6:51 pm
AR 12403 (20150819/20150829) | Pedro RE'

Last post by pedro « Mon Dec 02, 2019 1:01 pm
Replies: 7
by pedro » Fri Nov 29, 2019 9:01 pm

7 Replies

214 Views

Last post by pedro
Mon Dec 02, 2019 1:01 pm
Sol from the 1st of December 2019.

Last post by Montana « Mon Dec 02, 2019 12:46 pm
Replies: 4
by eroel » Mon Dec 02, 2019 4:44 am

4 Replies

135 Views

Last post by Montana
Mon Dec 02, 2019 12:46 pm
Sol from the 30th of November 2019.

Last post by Montana « Mon Dec 02, 2019 12:30 pm
Replies: 5
by eroel » Sat Nov 30, 2019 10:21 pm

5 Replies

151 Views

Last post by Montana
Mon Dec 02, 2019 12:30 pm
Sol from the 25th and 26th of November 2019.

Last post by ffellah « Mon Dec 02, 2019 12:27 pm
Replies: 4
by eroel » Sat Nov 30, 2019 3:58 pm

4 Replies

149 Views

Last post by ffellah
Mon Dec 02, 2019 12:27 pm
Major X-Class Solar Flare in AR 12673 | Pedro RE' (20170906)

Last post by pedro « Mon Dec 02, 2019 11:01 am
Replies: 7
by pedro » Fri Nov 29, 2019 10:16 pm

7 Replies

264 Views

Last post by pedro
Mon Dec 02, 2019 11:01 am
Took my Lunt LS50T apart to measure stuff - interesting results...

Last post by Roel80 « Mon Dec 02, 2019 10:56 am
Replies: 12
by Roel80 » Sun Nov 24, 2019 4:39 pm

12 Replies

500 Views

Last post by Roel80
Mon Dec 02, 2019 10:56 am
Omni 102mm c/w PST Stage 2 Adapters

Last post by Bobble « Sun Dec 01, 2019 8:01 pm

by Bobble » Sun Dec 01, 2019 8:01 pm

0 Replies

218 Views

Last post by Bobble
Sun Dec 01, 2019 8:01 pm
Full Disk from November 22 2019

Last post by rsfoto « Sun Dec 01, 2019 4:13 pm
Replies: 11
by rsfoto » Sat Nov 23, 2019 6:23 pm

11 Replies

341 Views

Last post by rsfoto
Sun Dec 01, 2019 4:13 pm
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

1586 Views

Last post by Montana
Thu Nov 28, 2019 7:59 am
Lunt 80 internal double stack questions

Last post by Carson B « Thu Nov 28, 2019 7:05 am
Replies: 4
by Carson B » Mon Nov 25, 2019 8:36 pm

4 Replies

289 Views

Last post by Carson B
Thu Nov 28, 2019 7:05 am
Observatories (20190922/20191124) | Pedro RE'

Last post by pedro « Wed Nov 27, 2019 1:58 pm
Replies: 7
by pedro » Mon Nov 25, 2019 2:38 pm

7 Replies

248 Views

Last post by pedro
Wed Nov 27, 2019 1:58 pm
Remarkable days of the Cycle-24.

Last post by Valery « Wed Nov 27, 2019 5:34 am
Replies: 6
by Valery » Mon Nov 25, 2019 2:39 am

6 Replies

286 Views

Last post by Valery
Wed Nov 27, 2019 5:34 am
"Ghosts in the Machine"

Last post by Merlin66 « Tue Nov 26, 2019 10:04 pm
Replies: 17
by Merlin66 » Sun Nov 24, 2019 10:44 pm

17 Replies

438 Views

Last post by Merlin66
Tue Nov 26, 2019 10:04 pm
Sol from the 22nd of November 2019.

Last post by pedro « Mon Nov 25, 2019 2:50 pm
Replies: 9
by eroel » Sat Nov 23, 2019 3:45 pm

9 Replies

260 Views

Last post by pedro
Mon Nov 25, 2019 2:50 pm
Today's SUN (20191123) + Jet Transit

Last post by pedro « Mon Nov 25, 2019 11:28 am
Replies: 9
by pedro » Sat Nov 23, 2019 3:24 pm

9 Replies

406 Views

Last post by pedro
Mon Nov 25, 2019 11:28 am
Sol from the 23rd of November 2019.

Last post by Montana « Mon Nov 25, 2019 10:12 am
Replies: 4
by eroel » Sun Nov 24, 2019 4:06 pm

4 Replies

152 Views

Last post by Montana
Mon Nov 25, 2019 10:12 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

138 Views

Last post by Montana
Mon Nov 25, 2019 8:03 am
Imaging setups (2018/2019) | Youtube videos

Last post by pedro « Sun Nov 24, 2019 12:35 pm
Replies: 14
by pedro » Tue Nov 19, 2019 2:53 pm

14 Replies

324 Views

Last post by pedro
Sun Nov 24, 2019 12:35 pm
Solar Wedges & other acc

Last post by pedro « Sun Nov 24, 2019 10:28 am
Replies: 5
by pedro » Sat Nov 23, 2019 4:44 pm

5 Replies

182 Views

Last post by pedro
Sun Nov 24, 2019 10:28 am
animation on our star on November 19th

Last post by banjo « Sun Nov 24, 2019 10:26 am
Replies: 8
by banjo » Fri Nov 22, 2019 12:37 pm

8 Replies

233 Views

Last post by banjo
Sun Nov 24, 2019 10:26 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

264 Views

Last post by MapleRidge
Fri Nov 22, 2019 11:18 pm
Novermber 16th & 17th - Ha Sessions

Last post by MapleRidge « Fri Nov 22, 2019 11:05 pm
Replies: 10
by MapleRidge » Thu Nov 21, 2019 1:05 am

10 Replies

277 Views

Last post by MapleRidge
Fri Nov 22, 2019 11:05 pm
Removal of lunt erf double stack possible?

Last post by Bob Yoesle « Fri Nov 22, 2019 2:40 pm
Replies: 3
by Stardust5858 » Tue Oct 29, 2019 12:01 pm

3 Replies

486 Views

Last post by Bob Yoesle
Fri Nov 22, 2019 2:40 pm
Old school Solar observation | Clave' Helioscopes

Last post by pedro « Fri Nov 22, 2019 1:58 pm
Replies: 13
by pedro » Mon Nov 04, 2019 5:11 pm

13 Replies

667 Views

Last post by pedro
Fri Nov 22, 2019 1:58 pm
Nov. 18 Disk and AR LS80

Last post by Astrophil « Thu Nov 21, 2019 5:22 pm
Replies: 10
by Astrophil » Tue Nov 19, 2019 3:08 am

10 Replies

268 Views

Last post by Astrophil
Thu Nov 21, 2019 5:22 pm
17Nov 3-Band FDs & HR (New Images Added)

Last post by ffellah « Thu Nov 21, 2019 11:14 am
Replies: 21
by yltansg » Sun Nov 17, 2019 2:16 pm

21 Replies

408 Views

Last post by ffellah
Thu Nov 21, 2019 11:14 am
Belated Mercury Transit and Prom action

Last post by Stardust5858 « Thu Nov 21, 2019 9:37 am
Replies: 12
by Stardust5858 » Tue Nov 19, 2019 8:46 pm

12 Replies

297 Views

Last post by Stardust5858
Thu Nov 21, 2019 9:37 am
Sol from the 19th of November 2019.

Last post by Astrophil « Wed Nov 20, 2019 10:33 pm
Replies: 8
by eroel » Tue Nov 19, 2019 8:18 pm

8 Replies

235 Views

Last post by Astrophil
Wed Nov 20, 2019 10:33 pm
Nov. 19 Disk and AR

Last post by Astrophil « Wed Nov 20, 2019 10:25 pm
Replies: 8
by Astrophil » Wed Nov 20, 2019 1:17 am

8 Replies

219 Views

Last post by Astrophil
Wed Nov 20, 2019 10:25 pm
Solar Disk 18th November 2019

Last post by DeepSolar64 « Wed Nov 20, 2019 5:45 am
Replies: 12
by Stardust5858 » Mon Nov 18, 2019 3:27 pm

12 Replies

330 Views

Last post by DeepSolar64
Wed Nov 20, 2019 5:45 am
Full Disc & AR2752 | Nov 18th 2019

Last post by marktownley « Tue Nov 19, 2019 8:59 pm
Replies: 11
by MalVeauX » Mon Nov 18, 2019 5:00 pm

11 Replies

255 Views

Last post by marktownley
Tue Nov 19, 2019 8:59 pm
FD on November 16

Last post by marktownley « Tue Nov 19, 2019 8:50 pm
Replies: 13
by ffellah » Sat Nov 16, 2019 5:58 pm

13 Replies

355 Views

Last post by marktownley
Tue Nov 19, 2019 8:50 pm
Sol from the 16th of November 2019.

Last post by Stardust5858 « Tue Nov 19, 2019 4:02 pm
Replies: 9
by eroel » Sun Nov 17, 2019 10:16 pm

9 Replies

210 Views

Last post by Stardust5858
Tue Nov 19, 2019 4:02 pm
transit of halpha mercury at fs60 and sm40DS

Last post by pedro « Tue Nov 19, 2019 10:17 am
Replies: 4
by stef41 » Sun Nov 17, 2019 11:10 am

4 Replies

155 Views

Last post by pedro
Tue Nov 19, 2019 10:17 am
10Micron mount daytime setup for solar session

Last post by c8er « Tue Nov 19, 2019 9:43 am
Replies: 2
by c8er » Mon Nov 18, 2019 7:27 pm

2 Replies

193 Views

Last post by c8er
Tue Nov 19, 2019 9:43 am
Mercury Transit Sequence

Last post by MAURITS « Mon Nov 18, 2019 1:37 pm
Replies: 4
by Michaelk2423 » Mon Nov 18, 2019 1:40 am

4 Replies

156 Views

Last post by MAURITS
Mon Nov 18, 2019 1:37 pm
Full disk from Mercury transit day

Last post by yltansg « Mon Nov 18, 2019 1:27 pm
Replies: 5
by rsfoto » Sat Nov 16, 2019 5:45 pm

5 Replies

160 Views

Last post by yltansg
Mon Nov 18, 2019 1:27 pm
15th Nov

Last post by yltansg « Mon Nov 18, 2019 1:11 pm
Replies: 7
by robert » Fri Nov 15, 2019 5:01 pm

7 Replies

191 Views

Last post by yltansg
Mon Nov 18, 2019 1:11 pm
SUN 11/11/2019

Last post by yltansg « Mon Nov 18, 2019 1:07 pm
Replies: 11
by p1taylor » Mon Nov 11, 2019 8:47 pm

11 Replies

300 Views

Last post by yltansg
Mon Nov 18, 2019 1:07 pm
Today's SUN (20191115) | FD images - 3 lights

Last post by pedro « Mon Nov 18, 2019 11:24 am
Replies: 7
by pedro » Fri Nov 15, 2019 2:54 pm

7 Replies

428 Views

Last post by pedro
Mon Nov 18, 2019 11:24 am
Mercury Transit November 11 2019

Last post by Montana « Mon Nov 18, 2019 10:54 am
Replies: 7
by rsfoto » Fri Nov 15, 2019 8:11 pm

7 Replies

193 Views

Last post by Montana
Mon Nov 18, 2019 10:54 am
Sol from the 14th and 15th of November.

Last post by Montana « Mon Nov 18, 2019 10:49 am
Replies: 5
by eroel » Sat Nov 16, 2019 4:00 am

5 Replies

174 Views

Last post by Montana
Mon Nov 18, 2019 10:49 am
Autostakkert2 flats issue

Last post by Michaelk2423 « Mon Nov 18, 2019 12:59 am
Replies: 8
by Michaelk2423 » Tue Nov 12, 2019 6:14 pm

8 Replies

262 Views

Last post by Michaelk2423
Mon Nov 18, 2019 12:59 am
Couple of quick Mercury transit images

Last post by Stardust5858 « Sun Nov 17, 2019 10:20 pm
Replies: 14
by Stardust5858 » Mon Nov 11, 2019 6:54 pm

14 Replies

339 Views

Last post by Stardust5858
Sun Nov 17, 2019 10:20 pm
Upgrade to the Vegemite etalon tuner

Last post by Rusted « Sun Nov 17, 2019 3:16 pm
Replies: 7
by Merlin66 » Sat Nov 16, 2019 12:19 am

7 Replies

322 Views

Last post by Rusted
Sun Nov 17, 2019 3:16 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

696 Views

Last post by Montana
Sun Nov 17, 2019 12:30 pm
Mercury Transit 2016

Last post by rsfoto « Sat Nov 16, 2019 5:51 pm
Replies: 11
by pedro » Sat Nov 09, 2019 9:40 am

11 Replies

580 Views

Last post by rsfoto
Sat Nov 16, 2019 5:51 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

192 Views

Last post by MapleRidge
Sat Nov 16, 2019 1:25 am
Lunt 50 Focuser Wanted

Last post by marktownley « Fri Nov 15, 2019 7:43 pm
Replies: 2
by marktownley » Wed Sep 04, 2019 7:33 pm

2 Replies

718 Views

Last post by marktownley
Fri Nov 15, 2019 7:43 pm
Mercury Transit Animation

Last post by ffellah « Fri Nov 15, 2019 7:13 pm
Replies: 4
by lmarchesi » Thu Nov 14, 2019 5:20 pm

4 Replies

198 Views

Last post by ffellah
Fri Nov 15, 2019 7:13 pm
Mercury Transit

Last post by Dave S « Fri Nov 15, 2019 5:59 am
Replies: 11
by Dave S » Tue Nov 12, 2019 4:49 am

11 Replies

278 Views

Last post by Dave S
Fri Nov 15, 2019 5:59 am
PST mod on a C14

Last post by mdwmark « Fri Nov 15, 2019 5:38 am
Replies: 11
by oli14 » Sun Nov 03, 2019 7:33 pm

11 Replies

930 Views

Last post by mdwmark
Fri Nov 15, 2019 5:38 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

386 Views

Last post by george9
Fri Nov 15, 2019 12:29 am
Sol del 9 de noviembre 2019.

Last post by highfnum « Thu Nov 14, 2019 1:20 pm
Replies: 5
by eroel » Wed Nov 13, 2019 6:35 pm

5 Replies

182 Views

Last post by highfnum
Thu Nov 14, 2019 1:20 pm
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

715 Views

Last post by Merrill55
Thu Nov 14, 2019 10:13 am
Proms 12th November 2019

Last post by Merlin66 « Thu Nov 14, 2019 7:57 am
Replies: 7
by Martin_S » Tue Nov 12, 2019 9:12 pm

7 Replies

247 Views

Last post by Merlin66
Thu Nov 14, 2019 7:57 am
transit Mercury several freq

Last post by Carbon60 « Thu Nov 14, 2019 6:27 am
Replies: 15
by highfnum » Mon Nov 11, 2019 8:42 pm

15 Replies

390 Views

Last post by Carbon60
Thu Nov 14, 2019 6:27 am
Mercury transit and proms

Last post by Carbon60 « Thu Nov 14, 2019 6:25 am
Replies: 16
by Astrophil » Tue Nov 12, 2019 5:34 am

16 Replies

367 Views

Last post by Carbon60
Thu Nov 14, 2019 6:25 am
Mercury Solar transit 11th of November 2019.

Last post by DeepSolar64 « Thu Nov 14, 2019 5:48 am
Replies: 13
by eroel » Wed Nov 13, 2019 12:47 am

13 Replies

304 Views

Last post by DeepSolar64
Thu Nov 14, 2019 5:48 am
Sorry, another Mercury transit...

Last post by ffellah « Wed Nov 13, 2019 10:46 am
Replies: 15
by ffellah » Tue Nov 12, 2019 1:22 am

15 Replies

316 Views

Last post by ffellah
Wed Nov 13, 2019 10:46 am
Mercury run around

Last post by MalVeauX « Wed Nov 13, 2019 2:32 am
Replies: 13
by Montana » Mon Nov 11, 2019 7:32 pm

13 Replies

301 Views

Last post by MalVeauX
Wed Nov 13, 2019 2:32 am
Mercury Transit from Rock Hill SC

Last post by eroel « Tue Nov 12, 2019 11:03 pm
Replies: 5
by DeepSolar64 » Tue Nov 12, 2019 2:17 am

5 Replies

166 Views

Last post by eroel
Tue Nov 12, 2019 11:03 pm
Mercury with a dying Quark

Last post by eroel « Tue Nov 12, 2019 10:58 pm
Replies: 7
by Starry Jack » Tue Nov 12, 2019 12:15 am

7 Replies

246 Views

Last post by eroel
Tue Nov 12, 2019 10:58 pm
Enhancing filament detail

Last post by eroel « Tue Nov 12, 2019 10:55 pm
Replies: 10
by Martin_S » Fri Nov 08, 2019 10:55 pm

10 Replies

407 Views

Last post by eroel
Tue Nov 12, 2019 10:55 pm
Mercury transit and proms

Last post by marktownley « Tue Nov 12, 2019 8:26 pm
Replies: 5
by Astrophil » Tue Nov 12, 2019 5:34 am

5 Replies

474 Views

Last post by marktownley
Tue Nov 12, 2019 8:26 pm
Today's SUN (20191110) | Ha FD + Jet Transit

Last post by ffellah « Mon Nov 11, 2019 11:26 am
Replies: 4
by pedro » Sun Nov 10, 2019 3:38 pm

4 Replies

443 Views

Last post by ffellah
Mon Nov 11, 2019 11:26 am
Sun in Ca II K - Bad seeing 20191110

Last post by Montana « Mon Nov 11, 2019 7:54 am
Replies: 5
by Carbon60 » Sun Nov 10, 2019 4:24 pm

5 Replies

190 Views

Last post by Montana
Mon Nov 11, 2019 7:54 am

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