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Technical card

Imaging telescope or lens: nikon 85 AF F1.8 d

Imaging camera: Atik 4000M

Mount: Vixen Sphinx SXD

Guiding telescope or lens: Orion 50/180 finder

Guiding camera: QHYCCD QHY5L II Mono

Software: PixInsightATIK Capture

Filter: Baader Planetarium H-Alpha Filter

Resolution: 2035x2035

Dates: June 14, 2015

Frames: Baader Planetarium H-Alpha Filter: 26x300" -10C bin 1x1

Integration: 2.2 hours

Darks: ~50

Flats: ~20

Bias: ~50

Avg. Moon age: 26.83 days

Avg. Moon phase: 8.05%

Bortle Dark-Sky Scale: 6.00

Temperature: 20.00

Astrometry.net job: 665132

RA center: 310.550 degrees

DEC center: 43.908 degrees

Pixel scale: 18.610 arcsec/pixel

Orientation: 174.064 degrees

Field radius: 7.439 degrees

Locations: BANLIEUE PARISIENNE SUD, EVRY, ESSONNE, France

Description

Grand champ d'une partie du cygne autour de Deneb et Sadr.
Objectif Nikon 85 à F/4 filtre Ha 7nm.
Ciel assez clair mais beaucoup de pollution lumineuse et très fort gradient.

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Author

ASTROIDF
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Nébuleuses Amérique et autour de Sadr, ASTROIDF