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 -15C
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
Luminance integration time:
35 frame from 300" each with  filter Astronomik CLS Profi
Software used for the acquisition and the elaboration:
CCDSoft, Photoshop CS, Astroart,
Date of acquisition: 2006
Zone of acquisition:
Fixed posting of San Giuliano P.no ( Piacenza ) Italy
Author Astroimager:
Davide Romanini


Name:M 31
Popular name:Andromeda Galaxy
Type of object: Galaxy
Surface brightness: 12.6 mag/
sq arcmin
Position angle: 35

Position (epoch of date)
Right ascension: 0h 43m 6s
Declination: +41 18' 32"
Constellation: Andromeda

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