M 53

80%  resolution (4.5MB)

Object identification (4.5MB)

120%  crop (3.2MB)

DSLR widefield image

Object data of M53

Object type: Globular Cluster (V)
Size: 13'
Magnitude: 7.6mag
Constellation: Com
Distance: 58,000 Ly
Notes: Messier 53 is a globular cluster in the Coma Berenices constellation. It is one of the more outlying globular clusters, being about 60,000 light-years away from the Galactic Center, and almost the same distance (about 58,000 light-years) from the Solar System.

Many very distant galaxy clusters with light travel times of up to 4.8 billion years can be found in the background of this image as shown in the object identification image:

  • GxCl 1 (z=0.403): WHL J131259.4+182304
  • GxCl 2 (z=0.408): GMBCG J198.04365+18.16290
  • GxCl 3 (z=0.428): WHL J131214.7+175325
  • GxCl 4 (z=0.448): WHL J131126.0+175447

Exposure data

Date: 2023-04-21 until  2023-06-09 (3 nights)
Location: Nussbach / Austria (400m)
Telescope: TEC APO 200 FL with TEC flattener-reducer 0.9x (f=1500mm)
Camera: QHY 268M with Baader CMOS filters
Binning: L 1x1 / RGB 1x1
Mount: ASA DDM85
Exposure time: L 46x2min / RGB 35x2min each
Exposure time total: 5h 02min