Contains: M 109, NGC 3992

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M 109 (NGC 3992)

Technical card

Imaging telescope or lens: Selfmade 443/2048 Newtonian f4.6

Imaging camera: SBIG ST-10 XME

Mount: Sideres85

Software: PixInsight

Filter: SBIG CFW-9

Accessories: Baader RCC-1 Coma CorrectorSBIG AO-8

Resolution: 4248x2858

Dates: Dec. 20, 2009March 3, 2011

Frames: 55x300" -30C

Integration: 4.6 hours

Avg. Moon age: 15.96 days

Avg. Moon phase: 7.83%

Bortle Dark-Sky Scale: 2.00

Mean SQM: 21.50

Mean FWHM: 2.80

Astrometry.net job: 170998

RA center: 179.388 degrees

DEC center: 53.375 degrees

Pixel scale: 0.343 arcsec/pixel

Orientation: 179.895 degrees

Field radius: 0.244 degrees

Description

M 109 technical data / Telescope: Newtonian (d=443mm, f=2048mm) / Location: Emberger Alm, Kaernten, Austria / Camera: SBIG ST-10XME with AO-8 and CFW-9 / Exposure: 4.6 hours (luminance 24x5 min. bin 1x1, red 8x5 min. bin 2x2, green 8x5 min. bin 2x2, blue 15x5 min. bin 2x2)

Comments

Author

DetlefHartmann
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M 109 (NGC 3992), 






    DetlefHartmann