Contains: NGC 246

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NGC 246 (Skull 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: 4272x2880

Dates: Oct. 2, 2011

Frames: 32x300" -25C

Integration: 2.7 hours

Avg. Moon age: 5.70 days

Avg. Moon phase: 32.46%

Bortle Dark-Sky Scale: 2.00

Mean SQM: 21.50

Mean FWHM: 2.80

Astrometry.net job: 179798

RA center: 11.756 degrees

DEC center: -11.877 degrees

Pixel scale: 0.342 arcsec/pixel

Orientation: 179.699 degrees

Field radius: 0.245 degrees

Description

NGC 246 technical data / Telescope: Newtonian (d=443mm, f=2048mm) / Location: Emberger Alm, Kaernten, Austria / Camera: SBIG ST-10XME with AO-8 and CFW-9 / Exposure: 2.7 hours (luminance 18x5 min. bin 1x1, red 4x5 min. bin 2x2, green 4x5 min. bin 2x2, blue 6x5 min. bin 2x2)

Comments

Author

DetlefHartmann
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NGC 246 (Skull Nebula), DetlefHartmann