The Whale galaxy, NGC 4631 is heavily mottled and appears to be undergoing a great deal of activity. It is intereacting with nearby NGC 4627 which has distorted it and the interaction is likely the source of the activity and a great deal of star formation. DetailsDate and location - 2010-05-13 at the VCO, Victoria BCCoditions - Clear, calm, 14 deg C with no moon.Equipment - QSI-Hyperstar on Meade 14" SCT.Exposure - 39 light frames - 120s ea plus 10 dark, 10 bias and 10 flat frames for calibration.Processing in Images Plus