Contains:Crescent nebula, NGC 6888
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NGC 6888 : Crescent Nebula

Technical card

Imaging telescope or lens:Takahashi CCA250

Imaging cameras:ZWO ASI 183MM ProQSI6120ws

Mount:Skywatcher EQ8

Guiding telescope or lens:Takahashi GT-40

Guiding camera:Starlight Xpress Lodestar2

Software:Adobe Photoship CC 2017FlatAidePro

Resolution: 2766x4137

Dates: June 7, 2018

Frames:
Astrodon H-alpha 5nm: 12x180" (gain: 200.00) -20C
Astrodon H-alpha 5nm: 7x600" -15C
Astrodon O3 5nm: 10x180" (gain: 200.00) -20C
Astrodon O3 5nm: 3x600" -15C
Astrodon S2 5nm: 10x180" (gain: 200.00) -20C
Astrodon S2 5nm: 3x600" -15C
Astrodon True Balance E series II Red, Green, Blue: 12x300" -15C

Integration: 4.8 hours

Avg. Moon age: 22.84 days

Avg. Moon phase: 42.69%

Astrometry.net job: 2094216

RA center: 303.041 degrees

DEC center: 38.339 degrees

Pixel scale: 0.511 arcsec/pixel

Orientation: 356.962 degrees

Field radius: 0.353 degrees

Locations: Kokaigawa, Tsukuba, Ibaraki, Japan

Data source: Unknown

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Author

ToshiyaArai
Toshiya Arai
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NGC 6888 : Crescent Nebula, 




    

        Toshiya Arai