CCD
Acquisition: Starlight Xpress SXV-H9
CCD Autoguide: SBIG ST 7 XME 402 E
Temperature of exercise -10°C
Optic
configuration of the telescope:
R.C. Meade LX 200R 8" + focal reducer Meade f 6,3
( focal equivalent 1200 mm.)
frammed field 24 x 18 arc minutes
German
Equatorial
Mount:
Gemini
G 41 Observatory Plus and FS 2 system control
total time for the integration of luminance:
160' with filter Astronomik CLS
Profi
Integration color time:
R
50'
G 40'
B 50'
Software
used for the acquisition and the elaboration:
CCDSoft, Photoshop CS, Astroart,
Date
of acquisition:
May
2007
Zone of acquisition:
Fixed posting of San Giuliano P.no ( Piacenza ) Italy
Author Astroimager:
Davide Romanini -
ASTRODAVID -
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Name:
M 51
Popular name: Whirlpool Galaxy
Type of object: Galaxy
Magnitude: 8.9
Surface brightness: 12.5 mag/sq arcmin
Apparent size: 10.8'x6.6'
Position angle: 163°
Position
(epoch of date)
Right ascension: 13h 30m 13s
Declination:
+47° 9' 31"
Constellation: Canes Venatici
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