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.

July 17, 2019

Speaker: Jack Lightholder

Topic: Roving the Red Planet - 20 years of Mars Exploration

SDAA Speaker

Jack Lightholder is a member of the Machine Learning and Instrument Autonomy Group at NASA’s Jet Propulsion Laboratory. He supports a variety of missions in concept, development and operational phases, including engineering camera operations for the Mars Science Laboratory, Curiosity. Jack has previously lead a number of high altitude balloon, microgravity aircraft and small spacecraft development projects.

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 TBD
September 18 TBD
October 16 TBD
November 20 Gadget night