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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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