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CHOICE Schedule & Registration for 2020 - 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.

For members, the CHOICE course participation cost is $35 USD. 
To register, please click the "Pay Now" button associated with each course you would like to take. (These buttons will not appear until registration opens for each course.

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

Instructor: Dr. Jeff Robertson

(This course is now full. If you would like to be on the waiting list, please email

May 11 - June 5
How to Use VStar

Instructor: JoDee Baker-Maloney

(This course is now full. If you would like to be on the waiting list, please email

July 6 - 31
Developing a Visual Observing Program

Instructor: Michael Cook

August 17 - September 11
Analyzing Data with VStar

Instructor: Brad Walter

September 14 - October 9
Observing and Counting Sunspots

Instructor: Raffaello Braga

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

Instructor: Ken Menzies

November 9 - December 11
(5 weeks)
Exoplanet Observing

Instructor: Dr. Brian Hill



Photoelectric Photometry in the 21st Century

Instructor: Tom Calderwood
If you are interested in this subject, please contact AAVSO HQ at


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