Technical data of acquisition

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Basic object information

CCD Acquisition: Starlight Xpress SXV-H9 
CCD Autoguide
: SBIG ST 7 XME 402 E
Temperature of exercise -10C
Optic configuration of the telescope:
fractor Skywatcher 120-900 mm. ED PRO + focal reducer Meade f 6,3
( focal equivalent and inclusive draught 630 mm.)
frammed field 58 x 43 arc minutes
German Equatorial Mount:
Gemini G 41 Observatory Plus and FS 2 system control
Total time for the integration of luminance:
 60' with  filter Astronomik CLS Profi
Software used for the acquisition and the elaboration:
CCDSoft, Photoshop CS, Astroart,
Date of acquisition: April 2007
Zone of acquisition:
Fixed posting of San Giuliano P.no ( Piacenza ) Italy
Author Astroimager:
Davide Romanini


Name:M 13
Popular name: Great Cluster
Type of object: Globular Cluster
Apparent size:23,2

Position (epoch of date)
Right ascension: 16h 41m 59s
Declination: +36 26' 40"
Constellation: Hercules

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