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:
Total exposition 3h,30' with filter Astronomik
CLS Profi
Integration color time: R
4x300"
G
3x600" B
3x600"
Software
used for the acquisition and the elaboration:
CCDSoft, Photoshop CS2, Astroart 4.0
Date
of acquisition: August
2006
Zone of acquisition:
Fixed posting of San Giuliano P.no ( Piacenza ) Italy
LAT. 45° 4' 5"N - LONG.
10° 00' 00"E
Author Astroimager:
Davide Romanini -
ASTRODAVID -
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Name: NGC 7331
Type of object: Galaxy
Magnitude: 10.3
Surface brightness: 11.9 mag/sq arcmin
Apparent size: 10.2'x4.2'
Position angle: 171°
Object classification: Sbc
Position
(epoch of date)
Right ascension: 22h 37m 29s
Declination: +34° 27' 38"
Constellation: Pegasus
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