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IC 342

Object : IC 342
Coordinates/Direction : RA: 03h46m, DEC: +68o05'
Object size : 21.4' x 20.0'
Object magnitude : 6.94
More to know : Wikipedia: wiki/ IC_342

IC 342 2022-03-04

IC 342 Galaxy, Sweden 2022 (Click on image to get a high reslution in a new window)
Date : 2022-03-04
Time (UT) : 22:36 to 23:02
Mount : SkyWatcher EQ6 Pro, beltdrive modified (DIY 2019)
Guide : QHY5 camera with 200 mm f/3.5 lens
Lens/telescope : Pentax 645 300 mm ED f/4 (medium format lens)
Corrector/Barlow : -
Field (FOV) : 6.8x4.5o (full frame) before crop
camera : Canon 6D, QE=0.5, full frame, 20 Mpixel, 14 bit
camera temperature: About 6o C above surrounding temperature
Film/CCD : Raw, Cr2
Filter : none
Control system: Mount, camera, focus, guide (Ekos) controlled by Astroberry (KStars/Ekos Linux)
Exp. time : 29x30 seconds at ISO1600, dithering mode
Image process tool : Siril, Fitswork, Irfanview
Processing : level, cal bias dark flat, dithering
Weather : clear sky
Site : Sweden, Stockholm, Hagsätra, terrace at 9t floor. Bortle 9
Free view Az: 165o-15o, La: 5o-90o
Comment : This galaxy is too weak for city astrophotographing. In this 1:1 crop only traces of the galaxy could be seen. The big APO refractor and a dark place had been better.
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