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Thread: Barnard 37

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    Default Barnard 37



    Barnard 37 is a large dark nebula located above the Cone Nebula / Christmas Tree Cluster. This 1.7 x 1.3 degree view depicts just the northwestern portion.

    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 - Bortle Dark-Sky Scale) on February 2nd and 8th, 2019 with a SBIG ST-8300M on an Astro-Tech AT90DT at f/6.7 603mm.

    LRGB - https://www.flickr.com/photos/dcrows...743444/sizes/l



    Dan
    Dan Crowson - O'Fallon MO

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    Astro-Tech AT12RCT / AT90EDT - Moonlight CSL
    SBIG ST-8300M / STF-8300M w/FW8-8300 & OAG-8300 w/ST-i

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