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Contains:  Crescent nebula, IC 4996, NGC 6888
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NGC6888 - La nebuleuse du croissant, 


NGC6888 - La nebuleuse du croissant
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NGC6888 - La nebuleuse du croissant

Technical card

Dates:June 27, 2018June 28, 2018June 30, 2018

Astronomik H-alpha 6nm CCD 1.25": 78x300" (gain: 200.00) -15C bin 1x1
Astrodon Ha 3nm Tru-Balance: 49x600" -25C bin 1x1
Astrodon OIII 3nm Tru-Balance: 23x600" -25C bin 1x1
Astronomik OIII 6nm CCD 1.25": 44x300" (gain: 200.00) -15C bin 1x1

Integration: 22.2 hours

Darks: ~80

Flats: ~15

Bias: ~100

Avg. Moon age: 15.32 days

Avg. Moon phase: 98.26%

Bortle Dark-Sky Scale: 6.67

Basic astrometry details job: 2211078

RA center: 20h 12' 18"

DEC center: +38° 25' 8"

Pixel scale: 2.851 arcsec/pixel

Orientation: 90.922 degrees

Field radius: 1.586 degrees

Resolution: 3231x2368

Locations: Observatoire personnel , Antony, Haute-de-seine, France

Data source: Backyard



License: None (All rights reserved)

Sky plot

Sky plot


NGC6888 - La nebuleuse du croissant,