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
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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 , 4 1 2 and Counting ...

Last Observation Received:

3 min 8 sec ago by PYG - Gary Poyner (GB)

V1112 PER   Aug 2.151   14.881CV

Plot V1112 PER 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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