Hemisphere:  Northern  ·  Contains:  Crescent nebula  ·  NGC 6888
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NGC 6888 Narrow Band, 



    
        

            Rudolf Bumm
NGC 6888 Narrow Band
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NGC 6888 Narrow Band

Technical card

Imaging telescopes or lenses: Celestron 8'' Newtorian

Imaging cameras: ZWO ASI1600MMC

Mounts: iOptron CEM60

Accessory: MGEN


Dates:July 25, 2018

Frames: 80x180"

Integration: 4.0 hours

Avg. Moon age: 12.66 days

Avg. Moon phase: 95.08%


Basic astrometry details

Astrometry.net job: 2171318

RA center: 20h 12' 27"

DEC center: +38° 15' 0"

Pixel scale: 0.864 arcsec/pixel

Orientation: 104.750 degrees

Field radius: 0.657 degrees


Resolution: 4356x3318

Locations: Mirasteilas observatory, Falera, Graubünden, Switzerland

Data source: Backyard

Description

The Crescent Nebula (also known as NGC 6888, Caldwell 27, Sharpless 105) is an emission nebula in the constellation Cygnus, about 5000 light-years away from Earth.

Image taken at Mirasteilas observatory, Falera, Switzerland, 1288 m.

Astronomik narrow band filters.
High gain (unity) 139, offs 21
Ha 40 x 180s, OIII 40 x 300s (240 min)
Mapping:
Ha 6 nm -> R, OIII 12 nm -> G, OIII 12 nm -> B

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rbumm
Rudolf Bumm
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NGC 6888 Narrow Band, 



    
        

            Rudolf Bumm