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Topic: The Grand Canyon Star Party Speaker: SDAA Members The meeting will be held via Zoom. See https://sdaa.org/program-meeting/ Please register in advance for the Zoom meeting at the following link. After registering, you will receive a confirmation email containing information about joining the meeting. https://us02web.zoom.us/meeting/register/tZMude-sqz4sGN1qXv7qSlBwnYpgaQEZZ8LU

Topic: A Brief Introduction to Radio Astronomy and Some Powerful, Affordable Radio Telescopes You Can Put in Your Backyard without Irritating Your Family or Neighbors! Speaker: Curt Kinghorn The branch of Astronomy called Radio Astronomy uses radio waves instead of visible light to look at the sky. Interestingly, most of what we know about the

Topic: Open Mic Member Night to Share Totality Eclipse Adventures! Send your photos, (solar and otherwise), to vicepresident@sdaa.org by Sunday, April 14th to have them included in the program slides. Looking forward to seeing everyone’s photos and hearing your stories! The meeting will be held via Zoom. See https://sdaa.org/program-meeting/.

Topic: Totality Eclipse Prep with discussions led by SDAA in-house experts The meeting will be held in-person at Mission Trails Regional Park. See https://sdaa.org/program-meeting/.

Topic: Women in Astronomy, Credit Where Credit is Due Speaker: Sharon Flemings The February 21 program meeting speaker (via Zoom) is Sharon Flemings from the TVA “Chapter” in Florida. Her talk is on “Women in Astronomy, Credit Where Credit is Due.” Sharon is a Temecula Valley Astronomers (TVA) member currently living in St Augustine, Florida.

Topic: 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 we will have a ZOOM option as well as in-person show and tell. This includes astro-images, views of your home or TDS observatories, videos of telescope equipment,

Speaker: Neil Farber Topic: Lunar Exploration: What We Did, What We Saw, What We Learned Many people are not aware of the extensive investigation, both manned and unmanned, that NASA conducted of our nearest neighbor, the Moon. This talk will explore the unmanned landers and orbiters of the 1950s and 1960s, the six manned landings

Topic:  Fear and Loathing in the Heavens: The 1910 Return of Halley’s Comet Speaker: Richard J. Goodrich In 1705, Edmond Halley liberated humanity from the belief that comets were portents of doom; two centuries later, in 1910, as Halley’s Comet returned to perihelion, newspapers and magazines, religious leaders, misguided theorists, and shameless grifters managed to