Contains: NGC 772, NGC 770

Image of the day 10/20/2015

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NGC 772 (Arp 78)

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: 4224x2846

Dates: Sept. 27, 2014

Frames: 71x300" -25C

Integration: 5.9 hours

Avg. Moon age: 3.05 days

Avg. Moon phase: 10.13%

Bortle Dark-Sky Scale: 2.00

Mean SQM: 21.50

Mean FWHM: 2.20

Astrometry.net job: 818996

RA center: 29.826 degrees

DEC center: 19.011 degrees

Pixel scale: 0.342 arcsec/pixel

Orientation: 179.856 degrees

Field radius: 0.242 degrees

Description

NGC 772 technical data / Telescope: Newtonian (d=443mm, f=2048mm) / Location: Emberger Alm, Kaernten, Austria / Camera: SBIG ST-10XME with AO-8 and CFW-9 / Exposure: 5.92 hours (luminance 36x5 min. bin 1x1, red 9x5 min. bin 2x2, green 9x5 min. bin 2x2, blue 17x5 min. bin 2x2)

Comments

Author

DetlefHartmann
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NGC 772 (Arp 78), DetlefHartmann