M3
The Messier 3 (also known NGC 5272) is a globular cluster in the constellation Canes Venatici. This cluster is one of the largest and brightest, and is made up of around 500,000 stars. It is located at a distance of about 33,900 light-years away from Earth. The M3 has an apparent magnitude of 6.2. It is estimated to be 8 billion years old.
Equipment: Exposure details: Location:
Telescope: RCOS 12.5 Open Truss
Mount: Paramount Me
Camera: SBIG STL-11000M
Filters: Baader LRGB
Luminance: 6x5min
Red: 6x5min
Green: 6x5min
Blue: 6x5min
Rachia, Veroia, Greece
N 40o29'00.0" - E 22o12'55.0"
Elevation:550m
13 March 2011
Image details:
Acquisition: MaxImDL Reduction/stacking: CCDStack RGB weights: Aladin/eXcalibrator
RGB combine: CCDStack LRGB creation: Photoshop CS3
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