Weather Report for April 16, 2013

A near carbon copy of last night: photometric, windy, and quite cold. Monitoring of Mrk421 continued and was coordinated with the effort by Svetlana Jorstad currently underway at Lowell Observatory. The seeing was a bit better overall than last night, starting out at 1.5 arcsec, but degrading to a little over 2 arcsec later in the night.