Hemisphere:  Northern  ·  Constellation: Cepheus (Cep)  ·  Contains:  NGC 6939  ·  NGC 6946
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NGC 6946 and NGC 6939, T250 f4 / EOS 600D, 



    
        

            Pulsar59
NGC 6946 and NGC 6939, T250 f4 / EOS 600D
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NGC 6946 and NGC 6939, T250 f4 / EOS 600D

Technical card

Imaging telescopes or lenses: Teleskop-Service UNC 10" f4

Imaging cameras: Canon 600D Modified

Mounts: Sky-Watcher AZ EQ6 GT

Guiding telescopes or lenses: Teleskop-Service UNC 10" f4

Guiding cameras: QHYCCD QHY5L-IIm

Software: IRIS  ·  Regim  ·  Photoshop

Accessory: GPU Coma corrector f4 4 elements  ·  Lacerta Off Axis Guider - for Canon EOS cameras


Dates:July 21, 2015

Frames: 57x240" ISO200

Integration: 3.8 hours

Darks: ~31

Flats: ~51

Bias: ~99

Avg. Moon age: 5.01 days

Avg. Moon phase: 25.78%

Mean SQM: 19.70

Temperature: 22.00


Basic astrometry details

Astrometry.net job: 703904

RA center: 20h 33' 20"

DEC center: +60° 27' 25"

Pixel scale: 0.885 arcsec/pixel

Orientation: -87.862 degrees

Field radius: 0.583 degrees


Resolution: 3907x2687

Locations: Mon jardin, Sud Picardie, Oise, France

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NGC 6946 and NGC 6939, T250 f4 / EOS 600D, 



    
        

            Pulsar59