Contains: M 76, Little Dumbbell, NGC 650
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M 76 (Little Dumbbell Nebula)

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: 4340x2908

Dates: Sept. 25, 2011

Frames: 44x300" -25C

Integration: 3.7 hours

Avg. Moon age: 27.26 days

Avg. Moon phase: 5.73%

Bortle Dark-Sky Scale: 2.00

Mean SQM: 21.50

Mean FWHM: 1.90

Astrometry.net job: 192569

RA center: 25.583 degrees

DEC center: 51.575 degrees

Pixel scale: 0.342 arcsec/pixel

Orientation: 179.657 degrees

Field radius: 0.248 degrees

Description

M 76 technical data / Telescope: Newtonian (d=443mm, f=2048mm) / Location: Emberger Alm, Kaernten, Austria / Camera: SBIG ST-10XME with AO-8 and CFW-9 / Exposure: 3.7 hours (luminance 24x5 min. bin 1x1, red 5x5 min. bin 2x2, green 5x5 min. bin 2x2, blue 10x5 min. bin 2x2)

Comments

Author

DetlefHartmann
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M 76 (Little Dumbbell Nebula), DetlefHartmann