M51 Whirlpool Galaxy
Object Information
- Messier object: M51
 - Common name for Messier object: Whirlpool galaxy
 - NGC (New General Catalog) number: NGC 5194
 - Discription: Spiral Galaxy
 - Located in constellation: 
Canes Venatici
 - Right ascension in hours minutes: 13:29.9
 - Declination in degrees minutes: 47:12
 - Visual magnitude: 8.4
 - Image orientation: North is top, East is left
 - Detailed discription of 
M51 in 
SEDS Messier database
 
Photo Information
- North is top edge and west is right edge
 - Exposure: 42 images x 360 seconds per image (4 hours and 12 minutes)
 - CCD-TEMP: -21°C
 - No filter
 - Guided
 - First quarter Moon
 - 46 360 seconds darks
 - 64 2 sec. flats using a computer LCD monitor
 - 64 2 sec. flat darks
 
 
Observing Information
- OBS-Location: Camas, WA USA, 16.6 miles East-North-East from the center of Portland, OR
 - DATE-Local = April 12, 2008 at 10:48 pm to April 13, 2008 at 3:05 am PDT
 
QSI Imaging Equipment
Imaging Processing

© 1998-2008 David Haworth