Globular cluster Messier 13

Posted by joramusa
on Tuesday, June 18, 2013
Corbera de Llobregat(Barcelona)Spain.
Telescope: Astrograph Orion Optics UK AG 10" f:3.8
Mount: 10 MICRON GM 2000 camera Apogee Alta F 8300
Exposures:
Chip temperature -30oC
Luminance: 14 x 120 sec bin Red: 10 x 120 seg bin 1.Green: 10 x 120 seg bin 1.Blue:10 x 120 seg bin1
Calibrated with darks-flats-.:
CCDStack2 + Photoshop CS6 programs
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