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RENEW YOUR MEMBERSHIP TODAY!!

Are you an undergrad or grad student? Volunteer as an AAVSO Ambassador!

AAVSO: Optimum Science from Connecting Professionals with Citizen Volunteers

AAVSO Selected to Participate in Harvard Business School Association of Boston’s Community Action Partners Program

Increase Astronomical Discoveries by Storing Your Spectroscopic Observations with AVSpec

A new database created by AAVSO enables amateur to experienced observers to record data from any variable object in the sky

Pick a Star

Type star name then click action.
Recent Activity
 
 

Variable Star Observations in Database:

39,942,257 and Counting ...
Last Observation Received:

32 min 52 sec ago by RJWB - John Rock (GB)

V405 AUR   Dec 11.9990   13.873CV   

Plot V405 AUR light curve

 
 

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