Contains: Helix galaxy, NGC 2685

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NGC 2685 (Helix galaxy)

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: 4278x2860

Dates: March 3, 2013

Frames: 75x300" -30C

Integration: 6.2 hours

Avg. Moon age: 20.64 days

Avg. Moon phase: 65.79%

Bortle Dark-Sky Scale: 2.00

Mean SQM: 21.60

Mean FWHM: 2.30

Astrometry.net job: 149793

RA center: 133.810 degrees

DEC center: 58.710 degrees

Pixel scale: 0.342 arcsec/pixel

Orientation: -179.922 degrees

Field radius: 0.245 degrees

Description

NGC 2685 technical data / Telescope: Newtonian (d=443mm, f=2048mm) / Location: Emberger Alm, Kaernten, Austria / Camera: SBIG ST-10XME with AO-8 and CFW-9 / Exposure: 6.25 hours (luminance 39x5 min. bin 1x1, red 9x5 min. bin 2x2, green 9x5 min. bin 2x2, blue 18x5 min. bin 2x2)

Comments

Author

DetlefHartmann
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NGC 2685 (Helix galaxy), DetlefHartmann