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Globular Cluster
Messier 53


Object : M53, Globular Cluster
Coordinates/Direction : RA: 13h12m, DEC: +18o10'
Object size : 13'
Object magnitude : 8.3
More to know : Wikipedia:
https://en.wikipedia.org/ wiki/ Messier 53

M53 2020-03-20

Globular cluster M53, 2020
Date : 2020-03-20
Time (UT) : 23:55 to 00:15
Mount : EQ6 controlled by EQMOD
Guide : PHD2 in dithering mode, Guide telescope 400 mm f/6.3, camera QHY5
Lens/telescope : TS130, 910mm f/7
Corrector/Barlow : Flat field corrector 3" x1
Filter : none
camera : Canon 6D, controlled by APT software
Film/CCD : Raw
Exp. time : 93x60 seconds, ISO1600
Image process tool : AstroImageJ, Fitswork, IrfanView
Processing : demosaic, synthetic flat calibrated, hot pixel removed by dithering, level
Weather : clear with drifting clouds
Site : Sweden, Stockholm, Hagsätra
Comment : One more object in Southern direction. This is M53, a globular cluster and it's 58'000 light years far away.

M53 2020-03-20, zoom in

Globular cluster M53, 2020
Date : 2020-03-20
Image process tool : AstroImageJ, Fitswork, IrfanView
Processing : demosaic, synthetic flat calibrated, hot pixel removed by dithering, level, crop
Comment : Zoom in to the core of M53, 1:1 pixel relation. Compare with the Hubble image on the link above, it's a difference but I took this from our balcony !
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