Deadline Extended to Submit Talk Abstracts
The AAVSO invites would-be presenters to submit their topics by September 10.
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We Have a New Login System
Click Here to Learn More
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Registration Opens for Annual Meeting
Join us at the U.S. Space & Rocket Center in Huntsville, Alabama!
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Discover the AAVSO
An international community
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The mission of the AAVSO is to enable anyone, anywhere to participate in scientific discovery through variable star astronomy. 

Resources

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(VSX) Variable Star Index
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Pick a Star

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

6 4 , 5 1 4 , 5 4 4 and Counting ...

Last Observation Received:

2 min 2 sec ago by DCMA - Cledison Marcos da Silva (BR)

NSV 13953   Sep 9.4038   13.937B

Plot NSV 13953 light curve

No, it didn’t erupt yet. How AAVSO is vetting T CrB data
Sep 10
Alert Notice 868: Photometry of BZ Camelopardalis in support of HST, Chandra multiwavelength observing campaign
Aug 26
Alert Notice 869: CS Ind HST schedule set for August 30
Aug 23
Stellafane: 88 Years . . . and Counting
Aug 22
New Forums, Chat, and Sign in with Google
Aug 21
News Archives

Our Stellar Partners


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Unistellar

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