Contains: NGC 6946, NGC 6939
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NGC 6946 GX Cep, NGC 6939 OC u. UGC 11583

Technical card

Imaging telescope or lens: TS 8"Newton f/4

Imaging camera: Canon Eos 450da

Guiding telescope or lens: TS 8"Newton f/4

Guiding camera: Canon Eos 450da

Focal reducer: MPCC

Software: PHDLuc Coiffier Deep Sky Stacker 3.3.2APT - Astro Photography ToolMLUnsold Digital Imaging IP 3.8

Accessory: TS Austria OAG

Resolution: 4271x2834

Dates: July 21, 2015

Frames: 20x300"

Integration: 1.7 hours

Avg. Moon age: 5.01 days

Avg. Moon phase: 25.78%

Astrometry.net job: 711600

RA center: 308.272 degrees

DEC center: 60.388 degrees

Pixel scale: 1.319 arcsec/pixel

Orientation: -177.898 degrees

Field radius: 0.939 degrees

Locations: Sternenwelt, Stumpertenrod, Hessen, Germany

Description

Three objects, GX, OC and LSBG, in a field. Taken on a hot summer night with a DSLR camera.

Comments

Author

Hans-Friedrich Tr...
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NGC 6946 GX Cep, NGC 6939 OC u. UGC 11583, Hans-Friedrich Troegeler

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