Andrea Dupree of CFA is utilizing AAVSO observer data
.
Slider Link
https://hubblesite.org/contents/news-releases/2022/news-2022-037
New AAVSO Executive Director
.
Slider Link
/dr-brian-kloppenborg
Registrations are open!
Want to present? Submit an abstract!
Slider Link
/111
Solutions for "Barriers" to Astronomical Observing
Provided by AAVSO Ambassadors
Slider Link
https://www.youtube.com/watch?v=SU5XHHvKxXc
Discover the AAVSO
an international community
Slider Link
/welcome

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The mission of the AAVSO is to enable anyone, anywhere to participate in scientific discovery through variable star astronomy. 

Resources

VSX Logo
(VSX) Variable Star Index
/vsx

Pick a Star

Plot a light curve
jaavso
The Journal of the AAVSO
/apps/jaavso
Data
Submit and Access Data
/databases
Telescope
Tools and Observer Resources
/observers
Observing Sections
Observing Sections
/observing-sections
Education
Education
CHOICE Courses, Manuals, Videos
/education
AAVSO In Press
AAVSO In Press
/press
Membership and Support
Membership and Support
/join-aavso

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:

5 3 , 5 2 8 , 8 0 3 and Counting ...

Last Observation Received:

6 min 2 sec ago by BLD - David Blane (ZA)

V0336 TRA   Aug 12.8418   10.7765TG

Plot V0336 TRA light curve

Constellation Charts
Aug 3
AAVSO Legacy CV Program
Aug 3
For New Observers
Aug 3
Alert Notice 788: RU Lup monitoring needed for HST observations
Aug 1
AAVSO Board Officers and Members - Martina Arndt
Jul 29
News Archives

Our Stellar Partners


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Unistellar

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Text reads "Sky & Telescope" with the ampersand in a circle.

NSF

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