Extended to Friday: book your room at the group rate!
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Agujeros negros y estrellas de neutrones habitando en binarias de rayos-X
Gratis | 8 de octubre | Zoom
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New Executive Director
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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
/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
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Membership and Support
Membership and Support
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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 4 , 3 9 9 , 2 1 3 and Counting ...

Last Observation Received:

3 min 23 sec ago by CCHD - Charles Cynamon (US)

HIP 114066   Oct 5.4635   12.078B

Plot HIP 114066 light curve

Alert Notice 794: ASASSN-V J022007.17+610705.5 photometry requested in support of spectroscopy observations
Oct 3
Alert Notice 793: Nova in Mensa: N Men 2022 (= ATLAS22beux = AT 2022ufh)
Sep 30
111th Annual Meeting - Hotel Group Rate Ends Tuesday, October 4th
Sep 30
AAVSO 2022 Annual Meeting Abstracts
Sep 29
History of AAVSOnet
Sep 28
News Archives

Our Stellar Partners


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