M51 : Whirlpool Galaxy in Canes Venatici

The wonderful spiral structure of this galaxy is a result of the interaction with the smaller galaxy NGC 5195. This is the full field of view on my telescope at f6 with the 350D camera.

Additional information about this object can be found on the SEDS website

Photograph Information
Date	03.17.2007
Location	Flint Hills of Kansas
Telescope	AP130 @ f6 w/field flattener
Camera	Canon 350D, Hutech modified type I
Exposure	Stack of 21, 9 minute exposures at ISO 800
Notes	36°F, 87%rh, fair to average transparancy, strong gusts. Calibrated with bias, dark and flat frames. Initial RAW conversion, registration and stacking in IRIS. Noise reduction in PixInsight LE 1.02 Additional adjustments in Photoshop CS2