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Ask questions on any topic. Nothing is too simple or too complex to ask!
3779 New Observing...
by bpablo
20 hours 2 min ago
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54 Starlink ...
by Eric Dose
05/11/2020 - 09:55
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Technical support for questions about the AAVSO web site and/or forums. Report bugs here.
725 Broken Link on...
by BSJ
04/27/2020 - 16:16
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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.
358 Minado de datos
by Sebastian Otero
12 hours 39 min ago
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Discussion of AAVSO-related software projects (VSX, Zapper, etc.).
848 API's to AAVSO...
by wlp
05/24/2020 - 10:49
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A forum to discuss variable star data analysis.
479 Downloading data...
by cwt
05/25/2020 - 12:48
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Discussion of the AAVSO's visualization and analysis tool, VStar
1104 Using CLEANest
by olichris
05/26/2020 - 13:35
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For discussion of VSX, the AAVSO Variable Star Index.
408 GCVS latest...
by RHM
05/27/2020 - 13:14
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Questions, discussions and announcements related to Eggen Card Project.
20 Eggen...
by jcrast
01/05/2019 - 12:38
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Citizen Sky questions, announcements and discussion.
13 n/a
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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For discussions on all aspects of equipment, from building new devices from scratch, to what ready made products are the best for your current setup. Attached the "Instrumentation and Equipment" observing section.
10 Photometric...
by Richard Berry
5 hours 58 min ago
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Please use this forum to distribute time sensitive observation alerts.
1239 PQ And outburst -...
by weo
05/29/2020 - 15:42
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110 Raw files for...
by B.P.Vietje
05/10/2020 - 21:10
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Discuss ongoing campaigns (Alert Notices, Special Notices, etc.), announce your own projects and report interesting observations here.
2613 Symbiotic...
by bskiff
1 day 20 hours ago
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Discussion of and tips for making visual observations.
1126 Riddle
by onj
05/26/2020 - 12:32
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Discussion of CCD, PEP and DSLR photometry.
4534 Is upgrading from...
by Bernhard
1 day 5 hours ago
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by ErnstPollmann
1 day 4 hours ago
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This forum is for discussion of AAVSOnet topics including announcements, status updates, technical support and more.
817 BSM_S2?
by MZK
05/30/2020 - 16:44
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This forum is for discussion of VPHOT topics including announcements, status updates, technical support and more.
2404 VPhot down?
by MZK
05/27/2020 - 19:48
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This forum is for discussions of cataclysmic variable stars.
915 PQ And in outburst!?
by weo
05/29/2020 - 15:42
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6 SuperWasp data:...
by Sebastian Otero
17 hours 45 min ago
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Information on the observation and analysis of stars and other objects that are sources of x-rays and gamma rays.
42 Observations of...
by Bikeman
11 hours 50 min ago
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Information on the Observation and analysis of short period pulsators such as Cepheids and RR Lyrae.
7 Welcome to the...
by doctor13
03/06/2020 - 12:02
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Discussion of eclipsing binary stars.
201 GO Cnc
by Sebastian Otero
13 hours 57 min ago
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159 June 2020...
by jerry.hubbell
05/28/2020 - 20:47
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Discussion of long period variable stars: mira's, semiregulars, etc.
728 New LPV of the...
by croberrw
05/29/2020 - 10:00
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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.
1174 M61 SN
by ccynamon
05/14/2020 - 19:48
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Discussion of RCBs and related classes of stars that show irregular fading episodes.
218 FH Sct: deep fading
by SPK
02/28/2020 - 16:02
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Discussion for the solar observation program and also monitoring of sudden ionospheric disturbances (SIDs).
463 Solar Bulletin...
by lward
05/12/2020 - 12:59
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Discussion of young stellar objects, pre-main sequence stars and other variable objects in the early stages of stellar evolution.
389 fade of V1117 Her
by pox
05/26/2020 - 19:59
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