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We invite you to join us!

/110-annual-meeting

Welcome to the AAVSO!

New explorers are welcome.
YOU can be an astronomer.

https://www.youtube.com/watch?v=tgCB2lBRk8s&t=5s

2021 Invitation for AAVSO Board of Directors Nominees

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

June's variable star and observing guide

Explore Y Canum Venaticorum with us! Monthly episodes include a video, finder chart, & observing tips for the beginner.

A collaboration of AAVSO, Ball State University, and the International Planetarium Society

https://www.aavso.org/featured-variables

June 5th How-to Hour: “Your first observatory - Keep it simple!” with Rich Berry

Part of our AAVSO 2021 Webinars and How-to Hours

Read personal stories from our members on how they became interested in astronomy and the AAVSO! Do YOU have a story? Send it to Gordon Myers at president@aavso.org!

https://www.aavso.org/sites/default/files/AAVSO%20pdfs/AAVSO-Member-Stories.pdf

How to navigate our new AAVSO website

6-minute video tour

https://www.youtube.com/watch?v=71y9Q3ei_3M

The mission of the AAVSO is to enable anyone, anywhere to participate in scientific discovery through variable star astronomy.

Resources

(VSX) Variable Star Index

jaavso

The Journal of the AAVSO

Data

Submit and Access Data

Telescope

Tools and Observer Resources

Observing Sections

Observing Sections

/observing-sections

Education

Education

CHOICE Courses, Manuals, Videos

Shop

Shop

https://shop.spreadshirt.com/aavso/

Join and Support

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 , 6 0 6 , 1 6 7 and Counting ...

Last Observation Received:

8 min 43 sec ago by UIS01 - Barber Observatory University of Illinois Springfield (US)

V2048 OPH Jun 10.1879 4.741B

Plot V2048 OPH light curve

To change your AAVSO account email address

Jun 11

Alert Notice 744: V1117 Her observations requested

Jun 8

Jun 3

LPV of the Month (June 2021): RX Boötis

Jun 1

Keynote speakers

May 21

Our Stellar Partners

$diffraction limited logo$

Sky & Telescope