M51
Canes Venatici 13H 29m  47° 12'
Magnitude: 8.4
Size: 11.2' × 6.9'
Distance: 37 million light-years
Best Month: March

Source: SEDS

Image
Meade 8" SN LXD75
Meade DSI Pro

91 minutes luminance
(91 × 60-second exposures)
30 minutes per channel RGB
(30 × 60-second exposures)

Good transparency; 20°
18 February 2006
Cambridge, MA

See Also
M51 (February 2005)