Talks & Telescopes: October 21 – Hal McAlister

Date/Time
Date(s) - October 21, 2023
5:30 pm - 11:30 pm

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Come enjoy an inspiring night on the mountain!

 The evening begins with the talk at 5:30 in our Auditorium, followed by observing through both the 60- and 100-inch telescopes from dusk to 11:30PM — the two largest telescopes in the world available for public use.  Additional stargazing around the grounds will be available from members of the Los Angeles Astronomical Society. Food will be available for purchase from a food truck, or bring your own picnic!

Speaker: Hal McAlister
Topic: Seeing the Unseen: Zooming in on the Stars from Mount Wilson

Hal McAlister, Regents Professor Emeritus of Astronomy at Georgia State University and former CEO of the Mount Wilson Institute, will tell the story of how in the 1920s Mount Wilson astronomers lifted the arcane field of stellar interferometry into a functioning technique for measuring diameters of stars. That landmark achievement, buttressed by many individuals on Mount Wilson and elsewhere around the world would lead to the great success of the CHARA Array, which is today producing spectacular images of stellar surfaces and phenomena.

Hal McAlister is Regents Professor Emeritus of Astronomy at Georgia State University where he founded the Center for High Angular Resolution Astronomy (CHARA) in 1983 and served as its director until he retired in 2015. He led the team that turned a dream for an astronomical interferometer into the reality of the CHARA Array, currently producing the world’s highest resolution images of the surfaces and close environs of stars. During 2002–2014 he also served pro-bono as CEO of the Mount Wilson Institute and Director of Mount Wilson Observatory, the site of the CHARA Array.

 

TICKETS: $40


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Directions to Mount Wilson Observatory

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