Barnard 357

Posted by dcrowson
on Sunday, October 01, 2017

Barnard 357 (LDN 1053) is the dark nebulae found at the center of this image. The rest of the field contains various others (Dobashi, LDN and TGU designated).

Luminance – 18x600s – 180 minutes – binned 1x1
RGB – 8x300s – 40 minutes each – binned 2x2

300 minutes total exposure – 5 hours

Imaged from Dardenne Prairie, Missouri (a red zone - http://www.bigskyastroclub.org/lp_bortle.html) on September 10th, 14th and 15th, 2017 with a SBIG ST-8300M on an Astro-Tech AT90DT at f/6.7 603mm.

LRGB - https://www.flickr.com/photos/dcrowson/37179599080/sizes/l

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