with Dr. Adam Riess
May 28 | 18:00 UT | Zoom
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/2022-webinars
Discover the AAVSO
an international community
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/welcome
We are moving! In June, our address will be 185 Alewife Brook Parkway, #410, Cambridge, MA 02138, USA
.
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/contact-us
AAVSO is accepting self-nominations for 2022 AAVSO Board candidacy!
Nomination period ends July 15th
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/2022-invitation-board-nominees
Interested? Please click here!
.
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/directorsearch
stands in solidarity
.
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https://aas.org/posts/news/2022/03/message-about-scientific-community-ukraine

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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
/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 2 , 7 9 8 , 6 4 5 and Counting ...

Last Observation Received:

10 min 3 sec ago by BPEC - Peter Bealo (US)

V1117 HER   May 25.1891   13.400B

Plot V1117 HER light curve

Solar Bulletin - Volume 78, Number 4
May 20
AAVSO 111th Annual Meeting Workshop
May 19
AAVSO 111th Annual Meeting, 2022
May 16
2022 Invitation for AAVSO Board Nominees
May 2
Alert Notice 776: Coverage of 6 YSOs needed in May for HST observations
Apr 29
News Archives

Our Stellar Partners


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Unistellar

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NSF

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