Amazing Sky by Alan Dyer

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Abell 21, the Medusa Nebula (92mm 5DII).jpg

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Abell 21, the Medusa Nebula, a large but faint planetary nebula in Gemini. Above and to the right of it is a very loose open cluster NGC 2395.

This is a stack of 15 x 8-minute exposures at f/4.4 with the TMB apo refractor and Canon 5D MkII at ISO 1600. Taken from the backyard of the Silver City, New Mexico, house, March 15, 2015.
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© 2015 Alan Dyer
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5640x3700 / 14.8MB
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Contained in galleries
2013-17 New Mexico, Nebulas, NGC/IC Objects
Abell 21, the Medusa Nebula, a large but faint planetary nebula in Gemini. Above and to the right of it is a very loose open cluster NGC 2395.<br /> <br /> This is a stack of 15 x 8-minute exposures at f/4.4 with the TMB apo refractor and Canon 5D MkII at ISO 1600. Taken from the backyard of the Silver City, New Mexico, house, March 15, 2015.