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Ask questions on any topic. Nothing is too simple or too complex to ask!
2977 85% of Annual...
by kathyspirer
1 day 17 hours ago
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Technical support for questions about the AAVSO web site and/or forums. Report bugs here.
631 How to know a...
by andrey20
05/02/2018 - 08:56
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Un foro para la comunidad de habla hispana dedicado a intercambiar comentarios, observaciones y todo tipo de informacion relacionada con las estrellas variables y su estudio.
319 Diferencia entre...
by Faguisau
02/24/2018 - 14:14
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Discussion of AAVSO-related software projects (VSX, Zapper, etc.).
616 New Light Curve...
by rybi
05/11/2018 - 18:00
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A forum to discuss variable star data analysis.
357 Initial...
by RHM
03/25/2018 - 05:14
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Discussion of the AAVSO's visualization and analysis tool, VStar
614 Error importing...
by David Benn
03/30/2018 - 22:11
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For discussion of VSX, the AAVSO Variable Star Index.
188 Gaia DR2...
by Sebastian Otero
05/02/2018 - 11:36
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Questions, discussions and announcements related to Eggen Card Project.
16 Eggen Card...
by jcrast
08/29/2017 - 14:38
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Citizen Sky questions, announcements and discussion.
13 Criticism of...
by M.Saladyga
05/16/2014 - 13:31
The AAVSO Governance forum is visible only to AAVSO members. CHOICE forums are visible only to class participants.
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  Forum Topics Posts Last post
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Please use this forum to distribute time sensitive observation alerts.
849 ASASSN-18lc:...
by SPK
13 hours 23 min ago
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85 Variable Star...
by Mike Miciukiewicz
04/13/2018 - 00:59
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Discuss ongoing campaigns (Alert Notices, Special Notices, etc.), announce your own projects and report interesting observations here.
2241 Symbiotic...
by WGR
10 hours 17 min ago
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Discussion of and tips for making visual observations.
951 Developing A...
by BSJ
04/27/2018 - 17:38
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Discussion of CCD, PEP and DSLR photometry.
3463 Curves of the...
by olichris
9 hours 58 min ago
No new
1042 R~500 spectrum of...
by Robin Leadbeater
05/22/2018 - 16:06
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This forum is for discussion of AAVSOnet topics including announcements, status updates, technical support and more.
495 SRO off-line for...
by PYG
05/22/2018 - 12:08
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This forum is for discussion of VPHOT topics including announcements, status updates, technical support and more.
1901 Upload Multiple...
by Merv Millward
05/22/2018 - 18:22
  Forum Topics Posts Last post
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This forum is for discussions of cataclysmic variable stars.
740 ASASSN-18lc:...
by SPK
13 hours 23 min ago
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Discussion of eclipsing binary stars.
96 EB's With...
by TCB168
02/06/2018 - 17:56
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75 Exoplanet...
by dennis-conti
05/23/2018 - 04:05
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Discussion of long period variable stars: mira's, semiregulars, etc.
547 Unusual behaviour...
by CTX
04/21/2018 - 14:58
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A forum created to support Jeno Sokoloski's nova project, to increase our level of support for all areas of nova observation, and for general discussion of novae.
1007 TCP J04432130...
by Ivan Bryukhanov
05/21/2018 - 13:21
No new
Discussion of RCBs and related classes of stars that show irregular fading episodes.
195 V348 Sgr Coming...
by hambsch
03/16/2018 - 17:20
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Discussion for the solar observation program and also monitoring of sudden ionospheric disturbances (SIDs).
371 Solar Bulletin...
by owentooke
05/15/2018 - 14:33
No new
Discussion of young stellar objects, pre-main sequence stars and other variable objects in the early stages of stellar evolution.
317 CT Vul faded
by mishnik
04/30/2018 - 20:39
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