Sharpless 2-73

Posted by dcrowson
on Wednesday, June 06, 2018

Sharpless 73 (LBN 105, MBM 40 and others) is one of Stewart Sharpless’ mistakes. It is just a molecular cloud, illuminated by the light of the Milky Way. It is considered to be part of the integrated flux nebula.

Luminance – 12x600s – 120 minutes – binned 1x1
RGB – 8x300s – 40 minutes each – binned 2x2

240 minutes total exposure – 4 hours

Imaged on May 7th and June 5th, 2018 at the Danville Conservation Area (New Florence, Missouri) with a SBIG ST-8300M on an Astro-Tech AT90EDT at f/6.7 603mm.

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