Object: M81 - Galaxy in Ursa Major Date: March 24, 2001 - 00:15 UT Scope: Vixen R200SS - 8 inch f/4 Newtonian at direct focus Camera: SBIG ST237 Detail: 19 images for a total integration time of 4560 sec. (76 min.) Each image exposed for 240 sec. 201XT Ccd guider at the focus of a Meade 4 inch f/10 Schmidt-Cassegrain Images taken with CCDOPS for Windows 4.10 and processed with PRISM 4.32 and AIP4WIN 1.2 Further processing performed with Picture Window Pro 3.0 Notes: Seeing quite bad: windy and hazy high cirrus clouds