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Reminder: Board of Directors Nominations Deadline: July 31!

https://www.aavso.org/invitation-nominees-2021-board

From AAVSO's President:

a letter to you

https://www.aavso.org/presidents-letter-july-2021

Annual Meeting & Workshop

Submit your abstract | Spectroscopy workshop schedule | Register!

/aavso-meetings

Join Exoplanet Exploration: Citizens Help NASA Observe Other Worlds with Exoplanet Watch!

https://www.aavso.org/exoplanet-watch-pr

Become an AAVSO member and be a part of 110 years of citizen science

https://www.aavso.org/join-aavso

Welcome to the AAVSO!

New explorers are welcome.
YOU can be an astronomer.

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

(VSX) Variable Star Index

/vsx

The Journal of the AAVSO

/apps/jaavso

Submit and Access Data

/databases

Tools and Observer Resources

/observers

Observing Sections

/observing-sections

Education

CHOICE Courses, Manuals, Videos

/education

Shop

/aavso-store-2

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 6 4 , 9 4 5 and Counting ...

Last Observation Received:

15 min 46 sec ago by WBEA - Bernhard Wenzel (AT)

DY PEG Aug 26.0875 10.3188TG

Plot DY PEG 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

Our Stellar Partners

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Resources

Pick a Star

AAVSO at a Glance

Variable Star Observations in Database:

Last Observation Received:

Our Stellar Partners