Only 6,8' in diameter and 9,2mag bright,M75 is the most distanced globular cluster of all Messier objects.It is situated at the opposite side of our milky way,at about a distance of 67500 light-years.
Its center is the most densely concentrated one of all GC´s in the Messier-Catalog.It may once have been a dwarf galaxy that merged with our Milky-Way.
M75 was first seen by Pierre Méchain in 1780 and included in Messier´s Catalog in the same year.
position (epoch 2000):
RA.: 20h 06m 04,8s
Decl.: −21° 55′ 20,1″
LRGB image with L = synth.of all, RGB = 5x1200s each,a total of 5.0 hours
80cm f/7 AstroOptik Keller corrected cassegrain FLI Proline 16803 Astrodon LRGB GenII filters
Prompt 7 CTIO/UNC Chile,remote controlled
image processing: Bernd Flach-Wilken
here you see the Globular Cluster M75 in a 18.8´x 18.8´ field,83% of the maximum FOV of our equipment.
For full resolution click HERE
this is more detailded version of M75:
HERE is a link to a look at M75 with the HST