Forum Topics Posts Last post
No new posts
Ask questions on any topic. Nothing is too simple or too complex to ask!
946 3898 By AAVSO_ 2 days 15 hours ago
No new posts
4 70 By hlaird 3 months 1 week ago
No new posts
Technical support for questions about the AAVSO web site and/or forums. Report bugs here.
188 847 By BSJ 1 month 4 weeks ago
No new posts
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.
99 371 By Mesarthim 1 month 3 weeks ago
No new posts
Discussion of AAVSO-related software projects (VSX, Zapper, etc.).
137 869 By olichris 1 month 3 weeks ago
No new posts
A forum to discuss variable star data analysis.
90 482 By MJB 3 weeks 6 days ago
No new posts
Discussion of the AAVSO's visualization and analysis tool, VStar
149 1166 By Cledison Marco… 2 weeks ago
No new posts
For discussion of VSX, the AAVSO Variable Star Index.
118 496 By dustonc 3 weeks 2 days ago
No new posts
Questions, discussions and announcements related to Eggen Card Project.
8 23 By SGEO 4 months ago
No new posts
Citizen Sky questions, announcements and discussion.
7 13 By onj 5 months ago
Forum Topics Posts Last post
No new posts

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.

63 532 By Scott Young 1 week 5 days ago
No new posts
Please use this forum to distribute time sensitive observation alerts.
304 1499 By kenworthy 2 weeks 4 days ago
No new posts
17 102 By ASUTOSH 1 month 2 weeks ago
No new posts
Discuss ongoing campaigns (Alert Notices, Special Notices, etc.), announce your own projects and report interesting observations here.
412 2937 By hambsch 1 day 20 hours ago
No new posts
Discussion of and tips for making visual observations.
196 1181 By tomstock 2 months 4 weeks ago
No new posts
Discussion of CCD, PEP and DSLR photometry.
660 4958 By arx 1 week 6 days ago
No new posts
225 1562 By weo 2 days 20 hours ago
No new posts
This forum is for discussion of AAVSOnet topics including announcements, status updates, technical support and more.
286 894 By HQA 1 week 1 day ago
No new posts
This forum is for discussion of VPHOT topics including announcements, status updates, technical support and more.
540 2864 By pablotwa 1 week 2 days ago
Forum Topics Posts Last post
No new posts
This forum is for discussions of cataclysmic variable stars.
304 1056 By weo 2 days 20 hours ago
No new posts
10 25 By alschmitt 5 months 4 weeks ago
No new posts

Information on the observation and analysis of stars and other objects that are sources of x-rays and gamma rays.

17 113 By Bikeman 1 month ago
No new posts

Information on the Observation and analysis of short period pulsators such as Cepheids and RR Lyrae.

9 34 By Bernhard 1 month 2 weeks ago
No new posts
Discussion of eclipsing binary stars.
47 293 By bpablo 3 months 4 weeks ago
No new posts
49 225 By psychwolf 1 month 2 weeks ago
No new posts
Discussion of long period variable stars: mira's, semiregulars, etc.
147 780 By croberrw 3 weeks 4 days ago
No new posts
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.
179 1217 By kojimukai 1 week ago
No new posts
Discussion of RCBs and related classes of stars that show irregular fading episodes.
54 219 By MDJ 6 months 3 weeks ago
No new posts
Discussion for the solar observation program and also monitoring of sudden ionospheric disturbances (SIDs).
120 534 By lward 1 month ago
No new posts
Discussion of young stellar objects, pre-main sequence stars and other variable objects in the early stages of stellar evolution.
135 436 By pbealo@comcast.net 2 weeks 2 days ago