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Planetary Nebula
Messier 76, Little Dumbbell Nebula

Object : M76, Little Dumbbell Nebula
Coordinates/Direction : RA 01h42m, Dec +51o 34'
Object size : 2.7'x1.8'
Object magnitude : 10.1
More to know : Wikipedia: wiki/ Little Dumbbell Nebula

M76, 2015-08-22

M76 Little Dumbbell Nebula, planetary nebula, Sweden 2015 (Click on image and get one in full resolution in a new window)
Date : 2015-08-22
Time (UT) : 23:16 to 00:22
Mount : SkyWatcher EQ6 Pro, beltdrive modified (DIY 2019)
Lens/telescope : TS130 APO f/7 910mm (682mm, f/5.2), 3" focuser
Corrector/Barlow : Riccardi 2.5" field flatter, x0.75. T48 connector to camera
Field (FOV) : 3.0 x 2.0o (full frame) before crop
camera : Canon 5D Mk I, QE=0.25, full frame, 12 Mpixel, 12 bit
camera temperature: About 3o C above surrounding temperature
Film/CCD : Raw, Cr2
Filter : none
Control system : Mount by EQMOD, camera by APT, guide by PHD2, focuser by USB-focus, ASCOM Windows PC
Exp. time : 26x120 second, ISO800
Image process tool : DSS, Fitswork, Irfanview
Processing : crop, resize, stretch, flatten
Weather : clear, temperature +9o C
Site : Sweden, Stockholm, Hagsätra. Bortle 9
Free view Az: 20o-90o, 165o-185o, La: 20o-55o
Comment : One of few 120 seconds exposure I have from my old Canon EOS 5D Mk I camera. It was a big moment when I bought this camera used, my first full frame camera.
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