Program Meeting

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

Due to the COVID-19 pandemic, program meetings are currently being held via Zoom. You can register in advance for the next meeting at the following link. After registering, you will receive a confirmation email containing information about joining the meeting. You may be required to log in with a Zoom login and password in order to attend the meeting.

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

Meetings since July 2020 are being archived on the SDAA YouTube page.

March 16, 2022 Program Meeting

Speaker: Allan Rahill Topic: Weather Forecasts The March 16 program meeting speaker is Allan Rahill, a meteorologist who will discuss the weather forecasts behind many of the forecast tools we amateurs use. In 2000, Allan Rahill, a meteorologist at the Canadian Meteorological Centre (CMC) and amateur astronomer, created a forecast processing step that took data from CMC’s Global Element Multi-scale (GEM) forecast model and created a new forecast of cloud cover. …
Read More

January 19, 2022 Program Meeting

Speaker: Zoltan Levay Topic: Creating the Pillars: Visualizing Hubble’s Colorful Universe Zoltan G. (Zolt) Levay was Imaging Group Lead in the Office of Public Outreach at Space Telescope Science Institute in Baltimore, MD. Since 1993 he was primarily responsible for producing publicly accessible images from Hubble Space Telescope data to illustrate Hubble’s science discoveries. He is a member of the Hubble Heritage Team, a grant-funded program within STScI striving to …
Read More

November 17, 2021 Program Meeting

Topic: SDAA Elections and Gadget Night Bring your astronomy-related or imaging garage-built objects, tools, ideas, new hardware, software to share with SDAA on our traditional Gadget Night – only this year via ZOOM. This includes astro-images, views of your home or TDS observatories, videos of telescope equipment, software and neat techniques. Due to the COVID-19 pandemic, program meetings are currently being held via Zoom. You can register in advance for …
Read More

October 20, 2021 Program Meeting

Speaker: Cecilia Sanders, California Institute of Technology Topic: You’ll Know It When You See It:  Defining, Describing and Detecting Life in the Universe SDAA’s October speaker is Caltech graduate student Cecilia Sanders, a Ph.D. candidate in the Division of Geological and Planetary Sciences.  She will give a presentation titled “You’ll Know It When You See It:  Defining, Describing and Detecting Life in the Universe.” Her descriptions of what evidence could be …
Read More

September 15, 2021 Program Meeting

Speaker: Dr. David A. Williams, Arizona State University Topic: The Psyche Mission Our September speaker is Dr. David A. Williams, Ph.D., Research Professor in the School of Earth and Space Exploration at Arizona State University and the Co-Investigator and Deputy Imager lead for the NASA Psyche Mission. Dr. Williams is the Director of the Ronald Greeley Center for Planetary Studies, the NASA Regional Planetary Image Facility at ASU. He is also …
Read More

August 18, 2021 Program Meeting

Speaker: Dr. Julie Castillo-Rogez, JPL planetary scientist Topic: NASA Near Earth Object Missions Our August speaker is Dr. Julie Castillo-Rogez, a JPL planetary scientist specializing in water-rich objects from a modeling and experimental perspectives applied to the formulation, design, and planning of planetary missions. She is the principal science investigator at JPL for the NEA Scout mission. Talk summary: NASA Near Earth Object Missions ongoing and in development and NEA Scout, a planned …
Read More

July 21, 2021 Program Meeting

Speaker: Steve Murray – NASA Solar System Ambassador Topic: New Concepts in Astrobiology (Biosignature and Tech Signature Methods) Abstract: Dr. Murray discusses new techniques for finding signatures of exoplanet life An SDAA member and popular speaker, Steve Murray, a NASA Solar System Ambassador, has been a space enthusiast since the Apollo era, and counted several Space Shuttle astronauts as friends during his years flying in Navy fighters. His interests in …
Read More

June 16, 2021 Program Meeting

Speaker: Dr. Sue Smrekar – JPL Rocky Planet Geoscientist Topic: Venus: Earth’s Evil Twin or Just Misunderstood? Abstract: Venus is becoming more attractive to scientists as technology improves for sending spacecraft to survive orbit and even descend to the surface. From orbiters to balloons, we will talk about the great science that can be done, how we can do it and what we hope to learn. You can register in …
Read More

May 19, 2021 Program Meeting

Speaker: Dr. Michael Ressler – Project Scientist, James Webb Space Telescope Topic: James Webb Space Telescope The James Webb Space Telescope will continue to revolutionize our study of the cosmos. Slated for launch in late 2021, Webb will look deeper than either the Hubble or Spitzer Space Telescopes at infrared wavelengths. This talk will describe Webb as a whole, with a focus on the Mid-Infrared Instrument —— a partnership between …
Read More

Scroll to Top