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Technical card

Imaging telescope or lens: Megrez 90

Imaging camera: Canon EOS 500D / Digital Rebel T1i

Mount: CGEM

Guiding telescope or lens: Teleskop-Service 9x50 finder

Guiding camera: QHYCCD QHY5

Focal reducer: William Optics 0.8x FR/FF Type IV

Software: photoshopPixInsight LE

Filter: Astronomik UHC (EOS clip filter)

Resolution: 4728x3138

Dates: Dec. 23, 2011

Frames:
17x210" ISO800
10x30" ISO800

Integration: 1.1 hours

Darks: ~20

Flats: ~20

Bias: ~40

Avg. Moon age: 27.60 days

Avg. Moon phase: 4.17%

Astrometry.net job: 167684

RA center: 83.901 degrees

DEC center: -5.342 degrees

Orientation: 128.613 degrees

Field radius: 1.669 degrees

Comments

Author

Sabin Fota
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great Orion nebula, Sabin Fota