Skip to main content

Support the AAVSO

 

 

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

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

AAVSO: Optimum Science from Connecting Professionals with Citizen Volunteers

AAVSO Contributors Honored

AAVSO presented awards to their recipients at the 108th Annual Meeting

RENEW YOUR MEMBERSHIP TODAY!!

Pick a Star

Type star name then click action.
Recent Activity
 
 

Variable Star Observations in Database:

39,749,840 and Counting ...
Last Observation Received:

1 hour 10 min ago by DMIB - Michel Deconinck (FR)

BETELGEUSE   Nov 11.9208   0.74Vis.   

Plot BETELGEUSE light curve

 
 

We gratefully acknowledge support from the Friends of the AAVSO:

 

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

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