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Contains:  IC 1396, The star Garnet Star (μCep)

Image of the day 09/29/2019

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    IC1396 widefield, 





    
        

            MartinF
    IC1396 widefield

    IC1396 widefield

    Technical card

    Resolution: 2400x1785

    Dates:Sept. 21, 2019

    Frames: 174x300"

    Integration: 14.5 hours

    Avg. Moon age: 21.54 days

    Avg. Moon phase: 56.49%

    Astrometry.net job: 2937799

    RA center: 324.853 degrees

    DEC center: 57.445 degrees

    Pixel scale: 5.079 arcsec/pixel

    Orientation: 279.112 degrees

    Field radius: 2.110 degrees

    Data source: Backyard

    Description

    60*5 minutes of 3nm Ha
    114*5 minutes of 3nm O3.

    Shot with a ZWO ASI1600MM-Cool and a Canon 300/4L IS tele lens. The lens suffers from bad star shapes in the corners but I managed to get it decent anyway. Didn´t want to stop it down from f/4 either.

    Combined as a semi-RGB (or what to call it) from R=Ha, G=70%O3+30%Ha, B=O3. Processed it as LRGB using a combined Lum from 60% Ha L and 40% O3 L.

    Comments

    Author

    MartinF
    MartinF
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    IC1396 widefield, 





    
        

            MartinF