From AAVSO's President:
a letter to you
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https://www.aavso.org/presidents-letter-july-2021
Annual Meeting & Workshop
Submit your abstract | Spectroscopy workshop schedule | Register!
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/aavso-meetings
Join Exoplanet Exploration: Citizens Help NASA Observe Other Worlds with Exoplanet Watch!
.
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https://www.aavso.org/exoplanet-watch-pr
Become an AAVSO member and be a part of 110 years of citizen science
.
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https://www.aavso.org/join-aavso
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

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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
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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
Shop
Shop
/aavso-store-2
Join and Support
Join 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 5 , 9 9 9 , 9 5 3 and Counting ...

Last Observation Received:

4 min 16 sec ago by PEX - Andrew Pearce (AU)

V CRB   Mar 28.3872   10.158V

Plot V CRB light curve

Photoelectric Targets and Data Reduction
Jul 26
2021 Spectroscopy Workshop Agenda is now available!!
Jul 21
Alert Notice 748: Observations needed now for re-scheduled HST targets
Jul 21
2021 AAVSO Spectroscopy Workshop
Jul 21
Alert Notice 747: V627 Peg photometry and spectroscopy requested
Jul 20
News Archives

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