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Technical card

Resolution: 3219x2281

Dates: Feb. 8, 2016

Frames:
Astronomik B 31 mm Type IIc: 15x300" -25C bin 1x1
Astronomik G 31 mm Type IIc: 15x300" -25C bin 1x1
Astronomik R 31 mm Type IIc: 15x300" -25C bin 1x1

Integration: 3.8 hours

Darks: ~30

Flats: ~25

Bias: ~30

Avg. Moon age: 28.85 days

Avg. Moon phase: 0.53%

Bortle Dark-Sky Scale: 7.00

Mean SQM: 9.00

Mean FWHM: 2.00

Temperature: 10.00

Astrometry.net job: 955598

RA center: 186.932 degrees

DEC center: 13.007 degrees

Pixel scale: 2.501 arcsec/pixel

Orientation: 86.196 degrees

Field radius: 1.370 degrees

Comments

Author

Duarte Silva
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M 84, M 86, M 87 ,  Virgo cluster galaxies, Duarte Silva