M 55  -  Wide Field

75%  resolution (2.1MB)

Image with RC 14.5"

Object data of M55

Object type: Globular cluster (XI)
Size: 19.1'
Magnitude: 6.3 mag
Constellation: Sgr
Distance: 17,000 Ly
Notes: Messier 55 is a quite large globular star cluster in the constellation Sagittarius, but has a very loose appearence.

Exposure data

Date: 2015-10-12 + 2015-10-14
Location: Hacienda Los Andes / Chile (1100m)
Telescope: Astro-Physics 105 EDFS Traveler f/6
Camera: Canon EOS 500D (ISO 800)
Mount: Astro-Physics AP1200GTO
Exposure time: 15x8min
Exposure time total: 2h00min
Notes: Image acquisition by CEDIC team (Markus Blauensteiner, Christoph Kaltseis, Bernhard Hubl)

Image processing by Markus Blauensteiner