Weather Report for February 6, 2011

A pretty good night. Some scattered cirrus at times, especially at the beginning of the night. Thicker cirrus moved quickly into the area from the north at about 0300 local time. A few observations were seriously affected by the clouds. The seeing was better than on previous nights, starting at around 2-2.5 arcsec and improving to 1.5-2 after a few hours.