Solar Reference Library

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Transit of Mercury in the Spicule Layer. Phil took this great image with his Quantum 6 Scope, Solar Spectrum etalon and PGR Camera.

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Free Online Access to Astronomy Magazines

Last post by skyhawk « Tue Apr 02, 2019 2:37 pm
Replies: 5
by skyhawk » Tue Apr 02, 2019 10:23 am

5 Replies

2314 Views

Last post by skyhawk
Tue Apr 02, 2019 2:37 pm
A few free LEGALLY magazines

Last post by marktownley « Sun Mar 31, 2019 7:27 am
Replies: 4
by skyhawk » Tue Mar 26, 2019 1:25 pm

4 Replies

552 Views

Last post by marktownley
Sun Mar 31, 2019 7:27 am
Solar images restoration.

Last post by Valery « Tue Mar 19, 2019 1:46 pm
Replies: 5
by Valery » Sat Mar 16, 2019 2:36 pm

5 Replies

621 Views

Last post by Valery
Tue Mar 19, 2019 1:46 pm
For Daystar CaH quark owners

Last post by marktownley « Sun Oct 07, 2018 1:15 pm
Replies: 4
by marktownley » Thu Oct 04, 2018 4:51 pm

4 Replies

2970 Views

Last post by marktownley
Sun Oct 07, 2018 1:15 pm
Spicules

Last post by marktownley « Thu Oct 04, 2018 4:56 pm
Replies: 1
by krakatoa1883 » Thu Oct 04, 2018 8:01 am

1 Replies

637 Views

Last post by marktownley
Thu Oct 04, 2018 4:56 pm
Surface contrast in CaK for various filter bandpasses.

Last post by Derek Klepp « Tue Sep 25, 2018 8:37 am
Replies: 16
by p_zetner » Fri Sep 14, 2018 8:14 pm

16 Replies

2139 Views

Last post by Derek Klepp
Tue Sep 25, 2018 8:37 am
PST Mod (PDF file)

Last post by pedro « Thu Sep 20, 2018 5:05 pm
Replies: 3
by pedro » Tue Sep 11, 2018 4:08 pm

3 Replies

1099 Views

Last post by pedro
Thu Sep 20, 2018 5:05 pm
Adapters

Last post by marktownley « Sun Aug 06, 2017 5:04 pm
Replies: 3
by gabrieli » Wed Aug 02, 2017 11:30 am

3 Replies

1219 Views

Last post by marktownley
Sun Aug 06, 2017 5:04 pm
Solar Imaging Tutorial: Data Acquisition, Alignment & Processing in Hydrogen Alpha (V1.0)

Last post by MalVeauX « Tue May 09, 2017 8:04 pm

by MalVeauX » Tue May 09, 2017 8:04 pm

0 Replies

1812 Views

Last post by MalVeauX
Tue May 09, 2017 8:04 pm
Article on digital SHG

Last post by Merlin66 « Mon Apr 03, 2017 6:01 am

by Merlin66 » Mon Apr 03, 2017 6:01 am

0 Replies

1368 Views

Last post by Merlin66
Mon Apr 03, 2017 6:01 am
A Review of Solutions to Newtons Rings For Solar Imaging

Last post by marktownley « Sun Nov 06, 2016 6:38 pm

by marktownley » Sun Nov 06, 2016 6:38 pm

0 Replies

1446 Views

Last post by marktownley
Sun Nov 06, 2016 6:38 pm
Magnetometer Tutorial

Last post by grimble_cornet « Sat Jul 30, 2016 2:03 pm
Replies: 7
by marktownley » Wed Jul 13, 2016 5:30 am

7 Replies

2400 Views

Last post by grimble_cornet
Sat Jul 30, 2016 2:03 pm
interesting .ppt presentation

Last post by Derek Klepp « Sun Apr 03, 2016 9:40 am
Replies: 2
by DSobserver » Sat Apr 02, 2016 1:48 pm

2 Replies

2115 Views

Last post by Derek Klepp
Sun Apr 03, 2016 9:40 am
DIY Remote focusing devices

Last post by 04Stefan07 « Wed Jan 20, 2016 3:40 am
Replies: 4
by [whrudey] » Mon Jan 04, 2016 7:08 pm

4 Replies

2475 Views

Last post by 04Stefan07
Wed Jan 20, 2016 3:40 am
A useful article

Last post by marktownley « Thu Oct 08, 2015 4:37 pm
Replies: 1
by Bob Yoesle » Thu Oct 08, 2015 4:29 pm

1 Replies

1687 Views

Last post by marktownley
Thu Oct 08, 2015 4:37 pm
How to combine a surface image with a prom image

Last post by solarchat « Tue Nov 18, 2014 12:51 pm
Replies: 10
by TILLIBOBS » Mon Nov 17, 2014 8:49 pm

10 Replies

14823 Views

Last post by solarchat
Tue Nov 18, 2014 12:51 pm
Quickie Sun Piccy in Ha - Teds Processing Routine

Last post by edobosz « Tue Jul 29, 2014 4:04 am
Replies: 14
by edobosz » Sun Jul 27, 2014 2:19 pm

14 Replies

3686 Views

Last post by edobosz
Tue Jul 29, 2014 4:04 am
Threads on Solarmax 60 mm External Etalon

Last post by marktownley « Fri Jun 20, 2014 9:05 pm
Replies: 11
by kornfeld1 » Tue Jul 03, 2012 2:52 am

11 Replies

2946 Views

Last post by marktownley
Fri Jun 20, 2014 9:05 pm
Solar animation automatic alignment tool - imgalt

Last post by marktownley « Thu May 22, 2014 6:50 pm
Replies: 23
by GreatAttractor » Sat Apr 26, 2014 4:10 pm

23 Replies

6849 Views

Last post by marktownley
Thu May 22, 2014 6:50 pm
Field of View Calculator

Last post by marktownley « Sun May 11, 2014 7:49 am
Replies: 5
by marktownley » Sat May 10, 2014 9:36 pm

5 Replies

2287 Views

Last post by marktownley
Sun May 11, 2014 7:49 am
Hardware:Thoughts on the Grasshopper 3

Last post by solarchat « Tue Mar 04, 2014 2:55 pm
Replies: 51
by JimLafferty » Mon Aug 05, 2013 4:01 am
1

2

3
51 Replies

13797 Views

Last post by solarchat
Tue Mar 04, 2014 2:55 pm
How to build a magnetometer- Tutorial

Last post by Carbon60 « Sat Feb 15, 2014 7:35 am

by Carbon60 » Sat Feb 15, 2014 7:35 am

0 Replies

2042 Views

Last post by Carbon60
Sat Feb 15, 2014 7:35 am
Tutorial: SHG imaging & processing

Last post by Wah « Tue Jan 28, 2014 3:37 pm

by Wah » Tue Jan 28, 2014 3:37 pm

0 Replies

2209 Views

Last post by Wah
Tue Jan 28, 2014 3:37 pm
Tutorial: Colour Imaging using Curves Function

Last post by Carbon60 « Mon Dec 30, 2013 9:16 am

by Carbon60 » Mon Dec 30, 2013 9:16 am

0 Replies

1992 Views

Last post by Carbon60
Mon Dec 30, 2013 9:16 am
Tutorial: Solar Image Processing - Ralph Smith

Last post by Merlin66 « Mon Nov 18, 2013 5:17 am

by Merlin66 » Mon Nov 18, 2013 5:17 am

0 Replies

17619 Views

Last post by Merlin66
Mon Nov 18, 2013 5:17 am
Tutorial: Impressive Relief effect Full-HD

Last post by gabrieli « Mon Aug 26, 2013 7:47 pm
Replies: 4
by colmic » Sun Aug 25, 2013 5:40 pm

4 Replies

2451 Views

Last post by gabrieli
Mon Aug 26, 2013 7:47 pm
TUTORIAL: from Video Recording to Final Processing of my mosaics...

Last post by gabrieli « Sat Aug 24, 2013 11:02 am
Replies: 4
by colmic » Fri Aug 23, 2013 11:20 pm

4 Replies

3060 Views

Last post by gabrieli
Sat Aug 24, 2013 11:02 am
Tutorial: One Shots, Shadows, Highlights and Sharpening (PS)

Last post by marktownley « Fri Aug 23, 2013 7:40 pm

by marktownley » Fri Aug 23, 2013 7:40 pm

0 Replies

2049 Views

Last post by marktownley
Fri Aug 23, 2013 7:40 pm
Software: Using IC Capture Video Tutorial

Last post by marktownley « Fri Aug 23, 2013 1:55 pm

by marktownley » Fri Aug 23, 2013 1:55 pm

0 Replies

3986 Views

Last post by marktownley
Fri Aug 23, 2013 1:55 pm
Software: PGRs and Firecapture Working Together

Last post by RobBower « Sun Aug 18, 2013 12:41 am
Replies: 11
by sullij1 » Mon Aug 12, 2013 3:40 am

11 Replies

2581 Views

Last post by RobBower
Sun Aug 18, 2013 12:41 am
Tutorial: Solar Animation Video

Last post by marktownley « Sun Dec 23, 2012 1:52 pm

by marktownley » Sun Dec 23, 2012 1:52 pm

0 Replies

1829 Views

Last post by marktownley
Sun Dec 23, 2012 1:52 pm
Tutorial: GIF Animation Video

Last post by marktownley « Thu Dec 20, 2012 7:33 am

by marktownley » Thu Dec 20, 2012 7:33 am

0 Replies

1722 Views

Last post by marktownley
Thu Dec 20, 2012 7:33 am
Equipment Suppliers - Achromatic Lenses

Last post by Merlin66 « Thu Sep 06, 2012 10:41 pm

by Merlin66 » Thu Sep 06, 2012 10:41 pm

0 Replies

1714 Views

Last post by Merlin66
Thu Sep 06, 2012 10:41 pm
Technical - ERF and Solar observing safety Review

Last post by Merlin66 « Mon Jun 11, 2012 8:23 am

by Merlin66 » Mon Jun 11, 2012 8:23 am

0 Replies

1543 Views

Last post by Merlin66
Mon Jun 11, 2012 8:23 am
Technical: Coronado/ Lunt - PST Patents

Last post by Merlin66 « Mon Jun 11, 2012 8:17 am
Replies: 1
by Merlin66 » Sun Jun 10, 2012 3:35 pm

1 Replies

1436 Views

Last post by Merlin66
Mon Jun 11, 2012 8:17 am
Technical: SM60 etalon (Doppler) review - Aristidis V.

Last post by Merlin66 « Mon Apr 30, 2012 3:23 pm

by Merlin66 » Mon Apr 30, 2012 3:23 pm

0 Replies

1369 Views

Last post by Merlin66
Mon Apr 30, 2012 3:23 pm
Tutorial: Pseudo-HDR processing

Last post by Merlin66 « Sat Apr 21, 2012 1:37 pm

by Merlin66 » Sat Apr 21, 2012 1:37 pm

0 Replies

1289 Views

Last post by Merlin66
Sat Apr 21, 2012 1:37 pm
Tutorial: Processing Prominence Images (Cai-Uso)

Last post by Merlin66 « Wed Apr 18, 2012 12:56 pm

by Merlin66 » Wed Apr 18, 2012 12:56 pm

0 Replies

1758 Views

Last post by Merlin66
Wed Apr 18, 2012 12:56 pm
Tutorial: YouTube - Full Disk processing (Mark)

Last post by Merlin66 « Wed Apr 18, 2012 12:43 pm

by Merlin66 » Wed Apr 18, 2012 12:43 pm

0 Replies

1320 Views

Last post by Merlin66
Wed Apr 18, 2012 12:43 pm
Tutorial: Flat fielding with Autostakkert2 (Chris)

Last post by Merlin66 « Wed Apr 18, 2012 12:38 pm

by Merlin66 » Wed Apr 18, 2012 12:38 pm

0 Replies

1351 Views

Last post by Merlin66
Wed Apr 18, 2012 12:38 pm
Tutorial: YouTube- Scaling the Earth for Solar Images #1/#2/#3 (Earl)

Last post by Merlin66 « Wed Apr 18, 2012 12:35 pm

by Merlin66 » Wed Apr 18, 2012 12:35 pm

0 Replies

1192 Views

Last post by Merlin66
Wed Apr 18, 2012 12:35 pm
Tutorial: Batch Processing Avi's under Autostakkert2 (Chris)

Last post by Merlin66 « Wed Apr 18, 2012 12:31 pm

by Merlin66 » Wed Apr 18, 2012 12:31 pm

0 Replies

1681 Views

Last post by Merlin66
Wed Apr 18, 2012 12:31 pm
Tutorial: Flat Frames # 1

Last post by Merlin66 « Wed Apr 18, 2012 12:27 pm

by Merlin66 » Wed Apr 18, 2012 12:27 pm

0 Replies

1353 Views

Last post by Merlin66
Wed Apr 18, 2012 12:27 pm
Tutorial: Visual Guide to Photosphere and Cromosphere featur

Last post by Merlin66 « Tue Apr 17, 2012 9:55 am

by Merlin66 » Tue Apr 17, 2012 9:55 am

0 Replies

1333 Views

Last post by Merlin66
Tue Apr 17, 2012 9:55 am
Technical: Reducing reflections in the optical train

Last post by Merlin66 « Tue Apr 17, 2012 9:48 am

by Merlin66 » Tue Apr 17, 2012 9:48 am

0 Replies

1072 Views

Last post by Merlin66
Tue Apr 17, 2012 9:48 am
Software: Registax- AVIstack -AS!2 Comparison (Pedro)

Last post by Merlin66 « Tue Apr 17, 2012 9:26 am

by Merlin66 » Tue Apr 17, 2012 9:26 am

0 Replies

1071 Views

Last post by Merlin66
Tue Apr 17, 2012 9:26 am
Tutorial: Full Disk Flattening -PS (Chris S.)

Last post by Merlin66 « Tue Apr 17, 2012 9:08 am

by Merlin66 » Tue Apr 17, 2012 9:08 am

0 Replies

1284 Views

Last post by Merlin66
Tue Apr 17, 2012 9:08 am
Technical: Using Aperture masks

Last post by Merlin66 « Tue Apr 17, 2012 8:50 am

by Merlin66 » Tue Apr 17, 2012 8:50 am

0 Replies

1230 Views

Last post by Merlin66
Tue Apr 17, 2012 8:50 am
Tutorial: Adding Colour to Solar Images

Last post by Merlin66 « Tue Apr 17, 2012 8:43 am

by Merlin66 » Tue Apr 17, 2012 8:43 am

0 Replies

1451 Views

Last post by Merlin66
Tue Apr 17, 2012 8:43 am
Technical - Filter transmission curves

Last post by Merlin66 « Thu Mar 22, 2012 1:40 pm
Replies: 3
by Merlin66 » Thu Mar 22, 2012 1:33 pm

3 Replies

1382 Views

Last post by Merlin66
Thu Mar 22, 2012 1:40 pm
Tutorials: Miscellaneous collection

Last post by Merlin66 « Thu Mar 22, 2012 1:14 pm
Replies: 2
by Montana » Tue Feb 21, 2012 1:11 pm

2 Replies

1477 Views

Last post by Merlin66
Thu Mar 22, 2012 1:14 pm
Technical - Fitting Imaging Source cameras to Lunt systems

Last post by Merlin66 « Thu Mar 22, 2012 10:30 am

by Merlin66 » Thu Mar 22, 2012 10:30 am

0 Replies

1270 Views

Last post by Merlin66
Thu Mar 22, 2012 10:30 am
Tutorial - AS!2 (Dennis Put)

Last post by Merlin66 « Wed Mar 21, 2012 2:35 pm

by Merlin66 » Wed Mar 21, 2012 2:35 pm

0 Replies

1385 Views

Last post by Merlin66
Wed Mar 21, 2012 2:35 pm
Tutorial: Pedro's Hi Res Ha

Last post by Merlin66 « Wed Mar 21, 2012 2:02 pm

by Merlin66 » Wed Mar 21, 2012 2:02 pm

0 Replies

1357 Views

Last post by Merlin66
Wed Mar 21, 2012 2:02 pm
Tutorial - Registax 6

Last post by Merlin66 « Wed Mar 21, 2012 12:01 pm

by Merlin66 » Wed Mar 21, 2012 12:01 pm

0 Replies

1294 Views

Last post by Merlin66
Wed Mar 21, 2012 12:01 pm
Solar Equipment Suppliers

Last post by Merlin66 « Tue Mar 20, 2012 5:07 pm

by Merlin66 » Tue Mar 20, 2012 5:07 pm

0 Replies

1311 Views

Last post by Merlin66
Tue Mar 20, 2012 5:07 pm
Recommended Reading

Last post by Merlin66 « Thu Feb 23, 2012 3:56 pm

by Merlin66 » Thu Feb 23, 2012 3:56 pm

0 Replies

1850 Views

Last post by Merlin66
Thu Feb 23, 2012 3:56 pm
Tutorial - Autostakkert2

Last post by Merlin66 « Thu Feb 23, 2012 8:27 am

by Merlin66 » Thu Feb 23, 2012 8:27 am

0 Replies

1338 Views

Last post by Merlin66
Thu Feb 23, 2012 8:27 am
Software: Solar Imaging software

Last post by Merlin66 « Thu Feb 23, 2012 8:19 am

by Merlin66 » Thu Feb 23, 2012 8:19 am

0 Replies

1493 Views

Last post by Merlin66
Thu Feb 23, 2012 8:19 am
Daystar filters, etreme narrow band solar observing

Last post by oldfrankland « Tue Feb 21, 2012 8:49 pm

by oldfrankland » Tue Feb 21, 2012 8:49 pm

0 Replies

1267 Views

Last post by oldfrankland
Tue Feb 21, 2012 8:49 pm
Hydrogen alpha features

Last post by solarchat « Tue Feb 21, 2012 2:05 pm
Replies: 1
by Montana » Tue Feb 21, 2012 1:12 pm

1 Replies

1464 Views

Last post by solarchat
Tue Feb 21, 2012 2:05 pm
Solar data and grid overlays

Last post by Merlin66 « Tue Feb 21, 2012 1:47 pm

by Merlin66 » Tue Feb 21, 2012 1:47 pm

0 Replies

1373 Views

Last post by Merlin66
Tue Feb 21, 2012 1:47 pm
White Light features

Last post by Montana « Tue Feb 21, 2012 1:13 pm

by Montana » Tue Feb 21, 2012 1:13 pm

0 Replies

1274 Views

Last post by Montana
Tue Feb 21, 2012 1:13 pm
Calcium II K features

Last post by Montana « Tue Feb 21, 2012 1:07 pm

by Montana » Tue Feb 21, 2012 1:07 pm

0 Replies

1322 Views

Last post by Montana
Tue Feb 21, 2012 1:07 pm

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