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Contains:  NGC 246

Image of the day 02/15/2014

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    NGC 246 (Skull Nebula), 





    
        

            DetlefHartmann
    NGC 246 (Skull Nebula)

    NGC 246 (Skull Nebula)

    Technical card

    Imaging telescope or lens:Selfmade 443/2048 Newtonian f4.6

    Imaging camera:SBIG ST-10 XME

    Mount:Sideres85

    Software:PixInsight

    Filter:SBIG CFW-9

    Accessories:Baader RCC-1 Coma CorrectorSBIG AO-8

    Resolution: 4272x2880

    Dates:Oct. 2, 2011

    Frames: 32x300" -25C

    Integration: 2.7 hours

    Avg. Moon age: 5.70 days

    Avg. Moon phase: 32.46%

    Bortle Dark-Sky Scale: 2.00

    Mean SQM: 21.50

    Mean FWHM: 2.80

    Astrometry.net job: 179798

    RA center: 11.756 degrees

    DEC center: -11.877 degrees

    Pixel scale: 0.342 arcsec/pixel

    Orientation: 179.699 degrees

    Field radius: 0.245 degrees

    Description

    NGC 246 technical data / Telescope: Newtonian (d=443mm, f=2048mm) / Location: Emberger Alm, Kaernten, Austria / Camera: SBIG ST-10XME with AO-8 and CFW-9 / Exposure: 2.7 hours (luminance 18x5 min. bin 1x1, red 4x5 min. bin 2x2, green 4x5 min. bin 2x2, blue 6x5 min. bin 2x2)

    Comments

    Author

    DetlefHartmann
    DetlefHartmann
    License: None (All rights reserved)
    11498
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    NGC 246 (Skull Nebula), 





    
        

            DetlefHartmann