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Galaxy
Messier 101, Pinwheel Galaxy


M101 Pinwheel Galaxy 2016
Coordinates/Direction : RA: 14h03m, DEC: +54o20'
Object size : 28.8' x 26.9'
Object magnitude : 7.8
Object : M101 Pinwheel galaxy
Date : 2015-12-08
Time (UT) : 00:17 to 03:39
Mount : EQ6 controlled by EQMOD
Guide : PHD2 in dithering mode and QHY5 camera off-axis
Lens/telescope : TS130, 910mm f7 (682mm, f5.3)
Corrector/Barlow : Riccardi flat field corrector 2.5" x0.75
Filter : none
camera : Canon 6D
Film/CCD : Raw
Exp. time : 31x120 seconds, iso800
Image process tool : DSS, Fitswork, Irfanview
Processing : resize, level, cal dark&bias flat
Weather : clear
Site : Sweden, Stockholm
Comment : This photo is to noise because it's only a 7.8 magnitude galaxy. More exposure next time.

M101 close up

M101 close up
Object : M101
Comment : Here is a zoom in on the M101, FOV about 25'x25'.
More to know : Wikipedia:
https://en.wikipedia.org/ wiki/Pinwheel_Galaxy

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