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Ask questions on any topic. Nothing is too simple or too complex to ask!
3003 Happy 4th of July!
by kathyspirer
07/04/2018 - 14:08
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Technical support for questions about the AAVSO web site and/or forums. Report bugs here.
635 JAAVSO no-show
by tcalderw
06/17/2018 - 14:18
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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.
321 Diferencia entre...
by olichris
06/28/2018 - 19:04
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Discussion of AAVSO-related software projects (VSX, Zapper, etc.).
630 Which Software...
by David Benn
15 hours 47 sec ago
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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
646 Showing Model...
by dedricksond
07/07/2018 - 22:55
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For discussion of VSX, the AAVSO Variable Star Index.
209 Tough Blended Object
by Sebastian Otero
07/10/2018 - 12:16
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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.
  Forum Topics Posts Last post
  Forum Topics Posts Last post
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Please use this forum to distribute time sensitive observation alerts.
896 TCP J18010186...
by SPK
1 day 8 hours 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.
2252 AT2018cow - what...
by GFB
8 hours 49 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.
3503 Calculating...
by spp
15 hours 32 min ago
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1043 SpecDB
by Ken4optics
07/10/2018 - 21:11
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This forum is for discussion of AAVSOnet topics including announcements, status updates, technical support and more.
506 AAVSOnet status,...
by HQA
07/04/2018 - 07:01
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This forum is for discussion of VPHOT topics including announcements, status updates, technical support and more.
1943 Error while stacking
by Ivaldo Cervini
07/12/2018 - 16:00
  Forum Topics Posts Last post
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This forum is for discussions of cataclysmic variable stars.
762 CH Cygni...
by dhdeangelis
1 day 4 hours 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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89 Exoplanet...
by jpablodossantos
06/13/2018 - 07:25
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Discussion of long period variable stars: mira's, semiregulars, etc.
549 Update of the LPV...
by Andrew Pearce
07/02/2018 - 20:10
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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.
1025 TCP J18292290...
by weo
07/02/2018 - 16:14
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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).
382 SID Data Grabber
07/03/2018 - 14:09
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Discussion of young stellar objects, pre-main sequence stars and other variable objects in the early stages of stellar evolution.
318 fade of V373 Cep
by pox
07/02/2018 - 20:06
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