How to navigate our new AAVSO website:
6-minute video tour
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https://www.youtube.com/watch?v=71y9Q3ei_3M
Welcome to the AAVSO!
New explorers are welcome.
YOU can be an astronomer.
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https://www.youtube.com/watch?v=tgCB2lBRk8s&t=5s
AAVSO Ambassador Program
Meet our volunteer Ambassadors!
Find out about the program and how to get involved!
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/ambassador-program
AAVSO Annual Campaign:
Find out how contributing helps the AAVSO!
Please support our mission today!
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/strategic-plan-fundraising-campaign
Our 2021 Membership Drive is on!
Please renew your membership today!
Our goal: 100% membership renewals by December 31, 2020!
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/join-aavso
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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
Shop
Shop
https://shop.spreadshirt.com/aavso/
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:

4 3 , 5 0 1 , 5 9 6 and Counting ...

Last Observation Received:

1 week 6 days ago by BSJ - Sara Beck (US)

SS Cyg   Sep 13   10.0Vis.

Plot SS Cyg light curve

Constellation Charts
Jun 29
Sara's Test Page
Jun 29
AAVSO Legacy CV Program
Jun 23
For New Observers
Jun 9
JAAVSO Volume 48 Number 2, 2020 is published
Dec 15
News Archives

Our Stellar Partners


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Obstech

Sky & Telescope

NSF

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