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CMOS Cameras for Photometry

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

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President's letter December, 2019

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."

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Variable Star Observations in Database:

40,482,088 and Counting ...

Last Observation Received:

1 min 12 sec ago by SJIA - Jim Seargeant (US)

V418 GEM Jan 29.4385 16.787CV

Plot V418 GEM light curve

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

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Information For

Active forum topics

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

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

From our Leadership

Dennis Conti Honored

2020 AAVSO online CHOICE courses

Pick a Star

We gratefully acknowledge support from the Friends of the AAVSO: