Contains: M 74, NGC 628

Image of the day 01/12/2014

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M 74 (NGC 628)

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: 4270x2720

Dates: Dec. 20, 2009Sept. 28, 2011

Frames: 57x300" -25C

Integration: 4.8 hours

Avg. Moon age: 2.40 days

Avg. Moon phase: 7.80%

Bortle Dark-Sky Scale: 2.00

Mean SQM: 21.50

Mean FWHM: 2.40 job: 161041

RA center: 24.180 degrees

DEC center: 15.787 degrees

Orientation: 179.687 degrees

Field radius: 0.241 degrees


M 74 technical data / Telescope: Newtonian (d=443mm, f=2048mm) / Location: Emberger Alm, Kaernten, Austria / Camera: SBIG ST-10XME with AO-8 and CFW-9 / Exposure: 4.75 hours (luminance 24x5 min. bin 1x1, red 8x5 min. bin 2x2, green 8x5 min. bin 2x2, blue 17x5 min. bin 2x2)





Sky plot

Sky plot


M 74 (NGC 628), DetlefHartmann