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Open Cluster  M 7:  This very conspicuous Open Cluster stands in one of the brightest parts of Milky Way, called the Large Sagittarius Cloud, close to the direction towards the galactic center. It shines bright against a field of stars of nearly unbelievable density. Ptolemy`s Cluster, as M7 is also called, is known since ages and can be observed with the naked eye but especially well with a pair of binoculars.

Have a look at the Hi-Res version with its display of millions of stars.


Object Open Cluster M7
Category Open Clusters
Designation M 007
Constellation Scorpius
Optics TMB 130 f/6 with Field Flattener
Mount Astro-Physics 900 GTO
Camera SBIG STL 11000M with internal CFW 5
Exposure 5 x 2min each (1x1 bin) Astrodon True Balance RGB filterset. Maxim DL for image acquisition
Calibration Dark Frame
Guiding Selfguiding
Processing Maxim DL5, Photoshop. Color Code RGB
Location-Date Somerset West, South Africa - 4 May 2009
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