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Sharpless 284


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#1 dcrowson

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Posted 14 December 2017 - 04:35 PM

Sharpless 284 (LBN 983 and others) is a large emission nebula located approximately 19,500 light-years away in Monoceros. The stars at the center make up the open cluster Dolidze 25.

 

Ha – 18x1800s – 540 minutes – binned 1x1

RGB – 8x300s – 40 minutes each – binned 2x2

 

660 minutes total exposure – 11 hours

 

Imaged from Dardenne Prairie, Missouri (a red zone) on December 2nd, 5th, 8th, 9th and 12th, 2017 with a SBIG ST-8300M on an Astro-Tech AT90EDT at f/6.7 603mm.

 

HaRGB - https://www.flickr.c...2226557/sizes/l

 

Sh2-284%20-%20HaRGB.jpg

 

Dan


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