IC405 Flaming Star Nebula - Auriga

M13 - Globular Cluster in Hercules

  1. © Copyright 2014 by Lieven Persoons

M13 in Hercules, also know as NGC6205.
RK 16h 41’ 42” / DEC +36° 27’ 00”
10’ x 10‘ / Vis m5.7 / Abs m: -8.45
Distance: 22.000Lj / diam: 160Lj

Messier 13 (M13), also designated NGC 6205 and sometimes called the Great Globular Cluster in Hercules or the Hercules Globular Cluster, is a globular cluster of about 300,000 stars in the constellation of Hercules.
M13 was discovered by Edmond Halley in 1714, and catalogued by Charles Messier on June 1, 1764. With an apparent magnitude of 5.7, it is barely visible with the naked eye on a very clear night. Its diameter is about 23 arc minutes and it is readily viewable in small telescopes. Nearby is NGC6207, a 12th magnitude edge-on galaxy that lies 28 arc minutes directly north east. A small galaxy, IC 4617, lies halfway between NGC 6207 and M13, north-northeast of the large globular cluster's center.

General Info

Image Data

Optics : TMB 152 @ f/8
Mount : 10micron GM2000
Camera : SBig STL11000
Exposures : total, 17h10 - LRGB : 840:60:70:60 (1x1 bin)
Filters : Lumicom HaRGB 2”
Location : Nieuwerkerken-Aalst (Belgium)
Date : 9, 13, 14/04/2010
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