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Messier 102

Object : M102
Coordinates/Direction : RA: 15h06m, DEC: +55o46'
Object size : 5.2' x 2.3'
Object magnitude : 9.9
More to know : Wikipedia: m/ m102.html

M102 2019-03-31, 910 mm focal length

M102 galaxy 2019
Date : 2019-03-31
Time (UT) : 21:51 to 22:49
Mount : EQ6 controlled by EQMOD
Guide : PHD2 in dithering mode, QHY5 camera, 400 mm f/6.3 guide telescope
Lens/telescope : TS130, 910mm f/7
Corrector/Barlow : Field flattener 3" x1
Filter : none
camera : Canon 6D
Film/CCD : Raw
Exp. time : 42x60 seconds, iso1600
Image process tool : AstroImageJ, Fitswork, Irfanview
Processing :  level, cal flat, dithering no bias dark, crop 1:1
Weather : clear
Site : Sweden, Stockholm, Hagsätra
Comment : This was long time ago I tried to take a photo of. Increased focal length give some more detail. Look closely and you can see the dark band that divide the galaxy in two halfs.

M102 2016-01-28

M102 galaxy 2016
Date : 2016-01-28
Time (UT) : 23:38 to 00:39
Mount : EQ6 controlled by EQMOD
Lens/telescope : TS130, 910mm f/7 (682mm, f/5.3)
Corrector/Barlow : Riccardi flat field corrector 2.5" x0.75
Filter : none
camera : Canon 6D
Film/CCD : Raw
Exp. time : 26x120 seconds, iso800
Image process tool : Fitswork, Irfanview
Processing : resize, level, cal dark, bias & flat
Weather : clear, moon
Site : Sweden, Stockholm
Comment : This galaxy is far away and in my telescope it's just a tiny dot in the center. There are two galaxies at least in the photo.

M102 close up

M102 close up
Object : M102
Comment : Here is a zoom in on the M102.

NGC5907 close up, second galaxy

NGC5907 close up
Object : NGC5907
Coordinates/Direction : RA: 15h15m, DEC: +56o19'
Object size : 12.7' x 1.4'
Comment : In the photo there are many galaxies, one is to the left upper corner. The NGC5907 galaxy.
More to know : Wikipedia: wiki/ NGC 5907

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