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Image of the day 12/05/2019

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    Sh2-115 - Diffuse Nebula in Cygnus, 





    
        

            Mikko Viljamaa
    Sh2-115 - Diffuse Nebula in Cygnus

    Sh2-115 - Diffuse Nebula in Cygnus

    Technical card

    Resolution: 4200x2808

    Dates:Sept. 25, 2019Sept. 29, 2019Oct. 1, 2019

    Frames:
    Astrodon Ha 1.25" 3 nm: 24x1200" bin 1x1
    Astrodon O3 1.25" 3nm: 18x1200" bin 1x1
    Astrodon S2 1.25" 3 nm: 19x1200" bin 1x1

    Integration: 20.3 hours

    Avg. Moon age: 9.91 days

    Avg. Moon phase: 8.89%

    Bortle Dark-Sky Scale: 5.00

    Astrometry.net job: 3079939

    RA center: 308.588 degrees

    DEC center: 46.961 degrees

    Pixel scale: 1.200 arcsec/pixel

    Orientation: 269.230 degrees

    Field radius: 0.842 degrees

    Locations: Home, Greater Atlanta Area, Georgia, United States

    Data source: Backyard

    Description

    I typically don't like Green colors in SHO images and usually adjust those to close to the "Hubble Blue". This time I actually like the different shades of Blue all the way to almost Teal color on the right side. Similarly, I try to adjust my Yellow's to have that Golden hue but in this case left the more Reddish cast on it, seen especially on the upper left corner. Hope you like it too...

    - Mikko

    PS. I'm still having problems when I upload an image from PixInsight. The uploaded version is less saturated and less sharp than the one on my hard-drive. I partly solved this problem when started to use ICCProfileTransformation and uploading the images as PNG, yet they are not identical when carefully studied.

    Comments

    Author

    mikko.viljamaa@gmail.com
    Mikko Viljamaa
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    Sh2-115 - Diffuse Nebula in Cygnus, 





    
        

            Mikko Viljamaa