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Contains:  NGC 7320, NGC 7319, NGC 7318, Stephan's Quintet, NGC 7317

Image of the day 10/01/2012

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    NGC 7317, NGC 7318A, NGC 7318B, NGC 7319, NGC 7320C (Stephan's Quintet), 





    
        

            DetlefHartmann
    NGC 7317, NGC 7318A, NGC 7318B, NGC 7319, NGC 7320C (Stephan's Quintet)

    NGC 7317, NGC 7318A, NGC 7318B, NGC 7319, NGC 7320C (Stephan's Quintet)

    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: 4284x2846

    Dates:Sept. 15, 2012

    Frames: 144x300" -25C

    Integration: 12.0 hours

    Avg. Moon age: 28.88 days

    Avg. Moon phase: 0.48%

    Bortle Dark-Sky Scale: 2.00

    Mean SQM: 21.40

    Mean FWHM: 2.40

    Astrometry.net job: 84818

    RA center: 339.009 degrees

    DEC center: 33.963 degrees

    Pixel scale: 0.342 arcsec/pixel

    Orientation: -179.922 degrees

    Field radius: 0.245 degrees

    Description

    NGC7317-7320C technical data / Telescope: Newtonian (d=443mm, f=2048mm) / Location: Emberger Alm, Kaernten, Austria / Camera: SBIG ST-10XME with AO-8 and CFW-9 / Exposure: 12 hours (luminance 72x5 min. bin 1x1, red 18x5 min. bin 2x2, green 19x5 min. bin 2x2, blue 35x5 min. bin 2x2)

    Comments

    Author

    DetlefHartmann
    DetlefHartmann
    License: None (All rights reserved)
    334818
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    NGC 7317, NGC 7318A, NGC 7318B, NGC 7319, NGC 7320C (Stephan's Quintet), 





    
        

            DetlefHartmann