M 4

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Object data of M4

Object type: Globular star cluster (IX)
Size: 23'
Magnitude: 5.6 mag
Constellation: Sco
Distance: 7,200 Ly

Exposure data

Date: 2014-03-10
Location: Hacienda Los Andes / Chile (1100m)
Telescope: RCOS 14.5" f/9
Camera: FLI PL16070 with Astrodon filters
Binning: RGB 1x1
Mount: Astro-Physics AP1200GTO
Exposure time: R 12x3min / G 12x3min / B 12x3min
Exposure time total: 1h48min
Notes: Image acquisition by CEDIC team (Wolfgang Leitner, Herbert Walter, Christoph Kaltseis, Bernhard Hubl)

Image processing by Herbert Walter