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Cal Day @ UC Berkeley.
Prospective and current students and alumni come out for a day of awesomeness at Cal.
Berkeley 83 is a trumpler (en.wikipedia.org/wiki/Trumpler_classification) class IV 3 p open cluster approximately 21,700 light-years away in Vulpecula.
Luminance – 24x300s – binned 1x1 – 120 minutes
RGB – 8x180s – 24 minutes each – binned 2x2
182 minutes total exposure – 3 hours 2 minutes
Imaged September 9th, 10th, 11th and 12th, 2024 from Dark Sky New Mexico at Rancho Hidalgo (Animas, New Mexico) with a SBIG STF-8300M on an Astro-Tech AT12RCT at f/8 2432mm.
See my full Berkeley Open Clusters album here - www.flickr.com/photos/dcrowson/albums/72157711466876833/.