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NGC 1023

Object : NGC 1023
Coordinates/Direction : RA: 02h40m, DEC: +39o03'
Object size : 8.7' x 3.0'
Object magnitude : 10.3
More to know : Wikipedia: wiki/ NGC 1023

NGC 1023 2023-10-15

NGC 1023 Galaxy, 2024
Date : 2023-10-15
Time (UT) : 19:46 to 21:11
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 : 60x60 seconds at ISO1000, dithering every third image
Image process tool : AstroImageJ, Fitswork, Irfanview
Processing : level, cal flat, dithering no bias dark noise filter
Weather : clear with some clouds drifting by
Site : Sweden, Stockholm, Hagsätra. Bortle 9
Free view Az: 20o-90o, 165o-185o, La: 20o-55o
Comment : A small weak and not very famous galaxy.
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