Image of the day 05/02/2013

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NGC 4631

Contains: NGC 4631, NGC 4627

Technical card

Resolution: 3231x2434

Dates: April 18, 2013April 19, 2013

Frames:
Astrodon Tru-Balance Generation 2 E-Series - B 50mm - NIR Blocked: 16x900" (gain: 0.42) -35C bin 1x1
Astrodon Tru-Balance Generation 2 E-Series - G 50mm - NIR Blocked: 16x900" (gain: 0.42) -35C bin 1x1
Astrodon Tru-Balance Generation 2 E-Series - L 50mm - NIR Blocked: 12x900" (gain: 0.42) -35C bin 1x1
Astrodon Tru-Balance Generation 2 E-Series - R 50mm - NIR Blocked: 16x900" (gain: 0.42) -35C bin 1x1

Integration: 15.0 hours

Darks: ~50

Flats: ~20

Flat darks: ~20

Bias: ~50

Avg. Moon age: 7.37 days

Avg. Moon phase: 49.89%

Bortle Dark-Sky Scale: 2.00

Mean SQM: 21.70

Astrometry.net job: 94518

RA center: 190.541 degrees

DEC center: 32.547 degrees

Pixel scale: 0.377 arcsec/pixel

Orientation: 179.821 degrees

Field radius: 0.212 degrees

Locations: SpaceIgloo Observatory, Williamson, AZ, United States

Comments

Author

Dave (Photon)
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NGC 4631, Dave (Photon)