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

From our Leadership

President's letter December, 2019

2020 AAVSO online CHOICE courses

REGISTRATION OPEN Sign up today!!

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

Dennis Conti Honored

AAVSO observer Dennis Conti received the 2020 AAS Chambliss Amateur Achievement Award "for his outstanding observational, computational, and educational contributions to exoplanet studies."

Pick a Star

Type star name then click action.
Recent Activity
 
 

Variable Star Observations in Database:

40,445,960 and Counting ...
Last Observation Received:

29 min 30 sec ago by YBA - Brad Young (US)

NQ PER   Jan 13.1510   14.934V   

Plot NQ PER 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