San Diego Astronomy Association (SDAA) sponsors speakers on a wide range of astronomy topics on the third Wednesday of every month at the Mission Trails Regional Park Visitors Center. The Program meeting begins at 7:00 PM. Each attendee receives one free door prize ticket. After announcements and a small amount of business, the audience is treated to the featured presentation. At the close of the meeting the door prizes are presented.  The event is open to the public. The Mission Trails Regional Park Visitors Center is at One Fr. Junipero Serra Trail, San Diego CA 92119.  Call the park at 619-668-3281 for more information or visit

Please contact Dave Wood if you have an questions, comments, or ideas for the Program Meetings.

November 20, 2019

Speaker: Rob Zellem

Topic: Exoplanet Timing Survey (ETS) & NASA WFIRST 

SDAA Speaker

Rob Zellem is a scientist at NASA’s Jet Propulsion Laboratory who searches for exoplanets.

NASA’s Transiting Exoplanet Survey Satellite is an all-sky survey mission that will discover thousands of exoplanets around nearby bright stars. TESS launched April 18, 2018 aboard a SpaceX Falcon 9 rocket. The Wide Field Infrared Survey Telescope (WFIRST) is a NASA observatory designed to unravel the secrets of dark energy and dark matter, search for and image exoplanets, and explore many topics in infrared astrophysics. 

Upcoming SDAA Program Meetings
January No general meeting - annual banquet
February 20 Dr. Richard Quimby (SDSU) - the Everyscope at Mt. Laguna Observatory
March 20 Donal O’Sullivan (Caltech) - Cosmic Web Imager at Palomar Observatory
April 17 Joint IDA / SDAA meeting
May 15 Kin Searcy and Dorothy Wood - Palomar Observatory Night
June 19 Steve Murray - Event Horizon Telescope
July 17 Jack Lightholder: Roving the Red Planet-20 years of Mars Exploration
August 21 Steve Hallman - Discovering The Darkness ... Dark Matter & Dark Energy
September 18 Dave Wood - TARO
October 16 William Welsh - Circumbinary transiting exoplanets
November 20 Rob Zellem - Exoplanet Timing Survey (ETS) & NASA WFIRST