Announcement: New Forums
We are excited to announce the launch of our new forums! You can access it forums.aavso.org. For questions, please see our blog post. The forums at aavso.org/forum have become read-only.
Announcement: New Applications
The existing WebObs will soon be replaced by WebObs 2.0! Please use this application to submit future observations: Submit Photometric Observations
The vision of the AAVSO is to become the leading platform where people of all ages and backgrounds learn about and participate in scientific astronomy.
Resources
(VSX) Variable Star Index
The Journal of the AAVSO
Submit and Access Data
Tools and Observer Resources
Observing Sections
Education
CHOICE Courses, Manuals, Videos
AAVSO In the Press
Membership and Support
The AAVSO is an equal opportunity and discrimination / harassment free environment.
Please read our policies HERE
AAVSO at a Glance
Variable Star Observations in Database:
8 5 , 6 9 9 , 7 0 4 and Counting ...
Aug 3
Jul 28
Jul 9
Jul 8
Jun 15