Forum Topics Posts Last post
No new posts
Ask questions on any topic. Nothing is too simple or too complex to ask!
952 3915 By rth 1 day 1 hour ago
No new posts
4 70 By hlaird 4 months 2 weeks ago
No new posts
Technical support for questions about the AAVSO web site and/or forums. Report bugs here.
188 847 By BSJ 3 months 1 week 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 3 months ago
No new posts
Discussion of AAVSO-related software projects (VSX, Zapper, etc.).
138 870 By bert_test 2 weeks 1 day ago
No new posts
A forum to discuss variable star data analysis.
91 484 By CTX 1 week 6 days ago
No new posts
Discussion of the AAVSO's visualization and analysis tool, VStar
150 1174 By David Benn 1 week 4 days ago
No new posts
For discussion of VSX, the AAVSO Variable Star Index.
120 502 By Sebastian Otero 2 hours 53 minutes ago
No new posts
Questions, discussions and announcements related to Eggen Card Project.
8 23 By SGEO 5 months 2 weeks ago
No new posts
Citizen Sky questions, announcements and discussion.
8 14 By test_user2 2 weeks 1 day 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.

66 561 By Richard Berry 2 days 10 hours ago
No new posts
Please use this forum to distribute time sensitive observation alerts.
305 1500 By dks 1 week 2 days ago
No new posts
18 103 By AAVSO_ 2 days 3 hours ago
No new posts
Discuss ongoing campaigns (Alert Notices, Special Notices, etc.), announce your own projects and report interesting observations here.
417 2958 By brownrb1 9 hours 54 minutes ago
No new posts
Discussion of and tips for making visual observations.
196 1181 By tomstock 4 months 1 week ago
No new posts
Discussion of CCD, PEP and DSLR photometry.
663 4969 By bskiff 13 hours 43 minutes ago
No new posts
230 1573 By ErnstPollmann 6 days 13 hours ago
No new posts
This forum is for discussion of AAVSOnet topics including announcements, status updates, technical support and more.
287 903 By HQA 3 days 18 hours ago
No new posts
This forum is for discussion of VPHOT topics including announcements, status updates, technical support and more.
546 2894 By SGEO 15 hours 45 minutes ago
Forum Topics Posts Last post
No new posts
This forum is for discussions of cataclysmic variable stars.
305 1062 By weo 15 hours 31 minutes ago
No new posts
10 27 By YPFA 3 weeks 2 days 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 2 months 2 weeks ago
No new posts

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

9 34 By Bernhard 2 months 4 weeks ago
No new posts
Discussion of eclipsing binary stars.
47 293 By bpablo 5 months 1 week ago
No new posts
50 227 By rzellem 1 month ago
No new posts
Discussion of long period variable stars: mira's, semiregulars, etc.
147 780 By croberrw 2 months 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 1219 By FRF 1 week 5 days ago
No new posts
Discussion of RCBs and related classes of stars that show irregular fading episodes.
54 219 By MDJ 8 months ago
No new posts
Discussion for the solar observation program and also monitoring of sudden ionospheric disturbances (SIDs).
120 536 By lward 1 week ago
No new posts
Discussion of young stellar objects, pre-main sequence stars and other variable objects in the early stages of stellar evolution.
137 441 By weo 5 days 13 hours ago