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2020 CHOICE Schedule & Registration for Members

Below please find a schedule of CHOICE courses that will be taught in 2020. To read more about each course, please click the title which will take you to the course description page.

The remaining 2020 courses are being offered for free to enourage astronomy learning at home amidst COVID-19. Regularly, CHOICE course participation cost is $35 USD per course for members, and $60 per course for nonmembers. 

January 6 - 31
CCD Photometry (Part I)

Instructor: Phil Sullivan

Registration Closed

February 3 - 28
CCD Photometry (Part II)

Instructor: Ed Wiley

Registration Closed

March 2 - 27
Variable Star Classification and Light Curves

Instructor: Blake Crosby

Registration Closed

April 6 - May 1
Exoplanet Observing

Registration closed

May 11 - June 5
How to Use VStar

Instructor: JoDee Baker-Maloney

Registration closed

Developing a Visual Observing Program

is canceled. We apologize for any inconvenience.

August 17 - September 11
Analyzing Data with VStar

Instructor: Brad Walter

Registration closed

September 14 - October 9
Observing and Counting Sunspots

Instructor: Raffaello Braga

Registration closed

September 14th - October 9 
Photoelectric Photometry in the 21st Century
Instructors: Tom Calderwood and Jim Kay

Registration closed

September 14 - October 16
(5 weeks)
Photometry Using VPhot

Instructor: Ken Menzies

Registration closed

November 9 - December 11
(5 weeks)
Classification variable des étoiles et courbes de lumière

Instructor: Jean-Bruno Desrosiers

(In French only for these weeks)

Cette année, ce cours est gratuit pour vous aider en ces temps difficiles. L'inscription se fait sur la base du premier arrivé, premier servi. Pour vous inscrire, veuillez envoyer un courriel à avec l'objet "inscrire à courbes."

November 9 - December 11
(5 weeks)
Exoplanet Observing

Instructor: Dr. Brian Hill

(This course is now full. If you would like to be put on the waiting list, please email with the subject line "Enroll in Exoplanet.")


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