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Technical card

Resolution: 3000x1991

Dates: April 16, 2015

Frames: 215x300" ISO1600 19C

Integration: 17.9 hours

Darks: ~15

Flats: ~40

Flat darks: ~40

Bias: ~40

Avg. Moon age: 26.34 days

Avg. Moon phase: 11.06%

Bortle Dark-Sky Scale: 4.00

Astrometry.net job: 611294

RA center: 188.739 degrees

DEC center: 12.798 degrees

Pixel scale: 7.825 arcsec/pixel

Orientation: 175.337 degrees

Field radius: 3.912 degrees

Locations: Ahwahnee Hills Observatory, AHWAHNEE, CA, United States

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Author

Jarrod McKnelly
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Markarians Chain and surrounding Galaxys, Jarrod McKnelly