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NGC 6541

NGC6541 is a lesser known globular cluster in the constellation of Corona Australis. With a brightness of 6,3 mag it could be detected by the unaided eye under very clear skies.With a diameter of 15 arc-minutes (half the moon´s size) it looks like a fuzzy spot even in binoculars.

Nicolò Cacciatore (1780 - 1841) of the observatory in Palermo discovered it in 1826, just a few months before James Dunlop independently found it.
It´s age is about 14 billion years.

position:

RA:    18h 08m 02.36s
Decl.:  –43° 42′ 53.6

 

image data:

LRGB L=10x600s RGB=7x1200s each, total time:4.0h, Seeing: 0.9-1.3"

80cm f/7 AstroOptik-Keller corrected Cassegrain, FLI Proline 16803, Baader-RGB-filters, Promt7 CTIO/UNC Chile, remote controlled
 
image-processing: Bernd Flach-Wilken

here is a 75% CCD-field of view picture. Click inside and it will apear in full resolution:

 

Last modified on Sunday, 11 October 2015 21:41

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