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Galaxies
NGC 5866
Spindle Galaxy


Object : NGC 5866
Coordinates/Direction : RA: 15h06m, DEC: +55o45'
Object size : 4.7' x 1.9'
Apparent magnitude : 9.9
Distance : 50 Mly
No solar mass : -
Type : SA0
Discovered by : Pierre Mechain, year 1781
Find in constellation : Draco
More to know : Wikipedia:
https://en.wikipedia.org/ wiki/ NGC5866

NGC 5866, 2025-12-21

NGC 5866 Galaxy, Sweden 2025 (Click on the image and get the full resolution one in a new window)
Date : 2025-12-21
Time (UT) : 22:46 to 01:50
Mount : SkyWatcher EQ6 Pro, Beltdrive (DIY 2019)
Guide : QHY5 camera with off-axis
Lens/telescope : TS130 APO f/7 910mm, 3" focuser
Corrector/Barlow : 3" field flatter, 1.0x
Field (FOV) : 2.25 x 1.5o (full frame) before crop
camera : Nikon D800, QE=0.56, full frame, 36 Mpixel, 14 bit
camera temperature: - , no temperature sensor
Film/CCD : Raw, NEF
Filter : none
Control system: Mount, camera, focus, guide (Ekos) controlled by KStars/Ekos Linux, 64-bit (2024)
Exp. time : 60x120 seconds at ISO400, dithering every 3rd image
Image process tool : Siril, Graxpert, VeraLux, Gimp, Irfanview
Processing : flat and photo metric color calibration, dark subtraction, stretch
Weather : Clear sky, Moon phase 3%, clear sky, Temperature +3o C
Site : Sweden, Stockholm, Hagsätra. Bortle 9
Free view Az: 20o to 90o, 165o to 185o, Alt: 20o to 55o
Comment : My first photo of the NGC 5866 galaxy, it's a lenticular galaxy, it has a lens shape. Look closely to the center and you can see how the bulb is divided in two parts. It's a line of dust that block the light from the galaxy.

NGC 5866, 2025-12-21

NGC 5866 Galaxy, Sweden 2025 (Click on the image and get the full resolution one in a new window)
Date : 2025-12-21
Time (UT) : 22:46 to 01:50
Comment : Another version with a little different color handling. Here is the plate solved version: NGC 5866 by Astrometry.net.
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