Messier 2

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150%  crop (1.0MB)

DSLR widefield image

Object data of M2

Object type: Globular star cluster (II)
Size: 16'
Magnitude: 6.3 mag
Constellation: Aqr
Distance: 55,000 Ly
Notes: M2 is about 55,000 light-years distant from Earth. At 175 light-years in diameter, it is one of the larger globular clusters known. The cluster is rich, compact, and significantly elliptical.

Exposure data

Date: 2020-09-15 + 2020-09-21
Location: Nussbach / Austria (400m)
Telescope: 12" Newtonian telescope (f=1120mm)
Camera: QSI 660wsg-8 with Astrodon filters
Binning: L 1x1 / RGB 1x1
Mount: ASA DDM85
Exposure time: L 46x2min / RGB 15x2min each
Exposure time total: 3h 02min