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Contains:  NGC 7317, NGC 7318, NGC 7319, NGC 7320, NGC 7331, NGC 7335, NGC 7337, Stephan's Quintet
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NGC7331, 



    
        

            avolight
NGC7331
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NGC7331

Technical card

Imaging telescope or lens:GSO 8" f5

Imaging camera:Moravian G2-8300FW

Mount:Skywatcher EQ6 Pro Skyscan

Focal reducer:Pal Gyulai GPU Koma Korrector

Software:ACDSee 6 ProFitswork 4.47

Filter:LRGB


Dates:Aug. 25, 2014

Frames:LRGB: 200x300" -30C bin 1x1

Integration: 16.7 hours

Darks: ~20

Flats: ~25

Bias: ~19

Avg. Moon age: 29.44 days

Avg. Moon phase: 0.01%

Bortle Dark-Sky Scale: 5.00

Mean FWHM: 2.50

Temperature: 15.00


Basic astrometry details

Astrometry.net job: 396964

RA center: 22h 36' 38"

DEC center: +34° 14' 16"

Pixel scale: 1.584 arcsec/pixel

Orientation: -92.032 degrees

Field radius: 0.510 degrees


Resolution: 1967x1229

Data source: Backyard

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NGC7331, 



    
        

            avolight