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Barnard 103


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#1 dcrowson

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Posted 10 November 2017 - 09:30 PM

Barnard 103 (LDN 497) is a dark nebula located in Scutum. This one is on the Astronomy League’s Dark Nebulae Program list.

 

Sharpless 60 (LBN 82, RCW 173 and others) is the dim HII region on the right side of the image.

 

NGC 6683 is an open cluster found at the top left.

 

Luminance – 12x600s – 120 minutes – binned 1x1

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

 

240 minutes total exposure – 4 hours

 

Imaged October 21st, 22nd and 23rd, 2017 from Dark Sky New Mexico at Rancho Hidalgo (Animas, New Mexico) with a SBIG ST-8300M on an Astro-Tech AT90EDT at f/6.7 603mm.

 

LRGB - https://www.flickr.c...6969148/sizes/l

 

B103%20-%20LRGB.jpg

 

Dan