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Contains:  The star 24Cep, The star 16Cep

Image of the day 07/16/2019

Getting plate-solving status, please wait...
    LDN 1235, a.k.a. The Dark Shark nebula in Cepheus, 





    
        

            Francesco Meschia
    LDN 1235, a.k.a. The Dark Shark nebula in Cepheus

    LDN 1235, a.k.a. The Dark Shark nebula in Cepheus

    Technical card

    Resolution: 5700x3800

    Dates:July 6, 2019

    Frames: 19x480" ISO400

    Integration: 2.5 hours

    Darks: ~25

    Flats: ~20

    Bias: ~300

    Avg. Moon age: 4.16 days

    Avg. Moon phase: 18.38%

    Bortle Dark-Sky Scale: 2.00

    Mean SQM: 21.70

    Astrometry.net job: 2786092

    RA center: 331.097 degrees

    DEC center: 73.210 degrees

    Pixel scale: 1.910 arcsec/pixel

    Orientation: 0.790 degrees

    Field radius: 1.817 degrees

    Locations: Pinnacles East, Paicines, California, United States

    Data source: Traveller

    Comments

    Author

    frankz
    Francesco Meschia
    Like

    Revisions

      LDN 1235, a.k.a. The Dark Shark nebula in Cepheus, 





    
        

            Francesco Meschia
      Original
      LDN 1235, a.k.a. The Dark Shark nebula in Cepheus, 





    
        

            Francesco Meschia
      C
    • Final
      LDN 1235, a.k.a. The Dark Shark nebula in Cepheus, 





    
        

            Francesco Meschia
      D

    C

    More aggressive NR

    D

    Applied Adam Block’s star de-emphasis technique, by using a starless version prepared with StarNet++ as source for pixel subsitution

    Sky plot

    Sky plot

    Histogram

    LDN 1235, a.k.a. The Dark Shark nebula in Cepheus, 





    
        

            Francesco Meschia

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