RIFERIMENTO POLARE
POLAR REFERENCE

 
Technical data of acquisition

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Basic object information

CCD Acquisition: Starlight Xpress SXV-H9 ( 16 Bit )
CCD Autoguide
: SBIG ST 7 XME 402 E
Optic configuration of the telescope: W.O.Megrez SDII 80 mm.
 F 555mm  f/d 6,9 ( apograde TMB ) + focal reducer f 6,3 Meade. Effective focal 352mm. f/d 4,4 frammed field 1,5 x 1,1 degrees

German Equatorial Mount:
Gemini G 41 Observatory Plus and FS 2 system control
Luminance integration time:
28 frame from 300" each with  filter Astronomik CLS Profi
Integration color time:
R 7x300" G 5x300"  B 6x300
Software used for the acquisition and the elaboration:
CCDSoft, Photoshop CS2, Astroart 4.0
Date of acquisition: April 2008

Zone of acquisition:
Fixed posting of San Giuliano P.no ( Piacenza ) Italy
Author Astroimager:
Davide Romanini
- ASTRODAVID -

 

Name:M 13
Popular name: Great Cluster
Type of object: Globular Cluster
Magnitude:5.8
Apparent size:23,2

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

 

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