CCD
Acquisition: Starlight Xpress SXV-H9
CCD Autoguide: SBIG ST 7 XME 402 E
Temperature of exercise -15°C
Optic
configuration of the telescope:
Refractor
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 -
ASTRODAVID -
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Name:M
31
Popular name:Andromeda Galaxy
Type of object: Galaxy
Magnitude:4.3
Surface brightness: 12.6 mag/
sq arcmin
Size:189.1'x61.7'
Position angle: 35°
Position
(epoch of date)
Right
ascension: 0h 43m 6s
Declination: +41° 18' 32"
Constellation: Andromeda
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