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Contains:  Cone nebula, Christmas Tree cluster, NGC 2264, The star 15Mon

Image of the day 01/24/2019

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    Cone Nebula in Monoceros, 


            Steve Milne
    Cone Nebula in Monoceros

    Technical card

    Resolution: 2679x3349

    Dates:Jan. 8, 2019

    Astrodon Tru-Balance LRGB E-Series Gen 2 Blue: 24x600" bin 1x1
    Astrodon Tru-Balance LRGB E-Series Gen 2 Green: 24x600" bin 1x1
    Astrodon Ha 3nm: 23x1200" bin 1x1
    Astrodon Tru-Balance LRGB E-Series Gen 2 Luminance: 48x600" bin 1x1
    Astrodon Tru-Balance LRGB E-Series Gen 2 Red: 24x600" bin 1x1

    Integration: 27.7 hours

    Avg. Moon age: 2.18 days

    Avg. Moon phase: 5.30% job: 2476159

    RA center: 100.254 degrees

    DEC center: 9.605 degrees

    Pixel scale: 0.744 arcsec/pixel

    Orientation: 359.885 degrees

    Field radius: 0.443 degrees

    Locations: E-EyE, Fregenal de la Sierra, Extremadura, Spain

    Data source: Unknown


    The Cone Nebula is an HII emission nebula approximately 2,700 light-years distant in the constellation of Monoceros. It was first observed by William Herschel on 26 December 1785. Perhaps that is one reason that the associated star cluster (the nebulosity and the cluster are both designated NGC 2264) is referred to as the Christmas Tree Cluster. Just above and to the left of the blue reflection nebula is an area knows as the Fox Fur.

    This was photographed between 31 December 2018 and 8 January 2019 from a remote imaging rig in Spain, jointly owned and operated by Barry Wilson and me.

    Capture details:

    Telescope: TEC140
    Camera: QSI 690
    Filters: Astrodon LRGB
    Mount: 10 Micron GM2000HPS

    Ha: 23 x 1200s
    Lum: 48 x 600s
    Red: 24 x 600s
    Green: 24 x 600s
    Blue: 24 x 600s

    A total of 27 hours and 40 minutes.

    Capture: Steve Milne & Barry Wilson
    Processing: Steve Milne



    Steve Milne

    Sky plot

    Sky plot


    Cone Nebula in Monoceros, 


            Steve Milne