Forum Topics Posts Last post
No new posts
Ask questions on any topic. Nothing is too simple or too complex to ask!
1107 4463 By lxdavi55 4 days 8 hours ago
No new posts
Technical support for questions about the AAVSO web site and/or forums. Report bugs here.
218 940 By zinnanti 2 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.
129 413 By apatino 1 week 3 days ago
No new posts
Discussion of AAVSO-related software projects (VSX, Zapper, etc.).
170 965 By arx 2 weeks 1 day ago
No new posts
A forum to discuss variable star data analysis.
108 561 By arimsiqueira 2 weeks 5 days ago
No new posts
Discussion of the AAVSO's visualization and analysis tool, VStar
191 1455 By odi 1 day 21 hours ago
No new posts
For discussion of VSX, the AAVSO Variable Star Index.
163 641 By SGEO 1 day 15 hours 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.

137 1027 By Bikeman 1 week 3 days ago
No new posts
Please use this forum to distribute time sensitive observation alerts.
336 1598 By raymundang 1 month ago
No new posts
18 103 By AAVSO_ 2 years 1 month ago
No new posts
Discuss ongoing campaigns (Alert Notices, Special Notices, etc.), announce your own projects and report interesting observations here.
470 3498 By cwt 43 minutes 36 seconds ago
No new posts
Discussion of and tips for making visual observations.
206 1207 By viram@charter.net 1 day 1 hour ago
No new posts
Discussion of CCD, PEP and DSLR photometry.
804 5701 By weo 6 days 8 hours ago
No new posts
294 1814 By revans 1 week 2 days ago
No new posts
This forum is for discussion of AAVSOnet topics including announcements, status updates, technical support and more.
331 1032 By SGEO 9 hours 28 minutes ago
No new posts
This forum is for discussion of VPHOT topics including announcements, status updates, technical support and more.
645 3355 By SGEO 1 week 4 days ago
Forum Topics Posts Last post
No new posts
This forum is for discussions of cataclysmic variable stars.
348 1244 By cwt 3 days 16 hours ago
No new posts
16 51 By rachlin 1 month 3 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.

51 238 By Bikeman 1 week 4 days ago
No new posts

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

26 123 By gilchrist.alle… 2 months 1 week ago
No new posts
Discussion of eclipsing binary stars.
72 431 By chrismlt 4 days 10 hours ago
No new posts
96 448 By Contact@70 4 weeks ago
No new posts
Discussion of long period variable stars: mira's, semiregulars, etc.
169 838 By raymundang 4 weeks 1 day 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.
197 1269 By DEY_VAR 2 weeks 2 days ago
No new posts
Discussion of RCBs and related classes of stars that show irregular fading episodes.
58 229 By Aengus O'Fearghail 5 months 3 weeks ago
No new posts
Discussion for the solar observation program and also monitoring of sudden ionospheric disturbances (SIDs).
153 677 By weo 3 weeks 4 days ago
No new posts
Discussion of young stellar objects, pre-main sequence stars and other variable objects in the early stages of stellar evolution.
167 575 By weo 2 weeks 5 days ago