Skip to main content

Support the AAVSO


Registration open for August's free Observing Section Webinars

Registrations for our 2020 Annual Meeting and Workshops are OPEN!

Please note: registration closes October 15, 2020

AAVSO Ambassadors providing astronomy and educational outreach: check out the latest video!

Now available:

the first in a series of instructional videos for those interested in helping with AAVSO's VStar development

Pick a Star

Type star name then click action.
Recent Activity

Variable Star Observations in Database:

41,810,349 and Counting ...
Last Observation Received:

12 min 8 sec ago by HMB - Franz-Josef Hambsch (BE)

MQ APS   Aug 6.2607   14.749V   

Plot MQ APS light curve


We gratefully acknowledge support from the Friends of the AAVSO:





AAVSO is an equal opportunity and discrimination/harassment-free environment. Please read this, and all our policies here.

AAVSO 49 Bay State Rd. Cambridge, MA 02138 617-354-0484