Weather Report for December 28, 2013

Another excellent night, with photometric skies until about 0400 local time and seeing of 1-1.5 arcsec. Scattered, very light cirrus started moving over the observatory during the last two hours of the night. The appearance of these clouds did not slow polarimetry, but ended a streak of nearly five full photometric nights in a row. The forecast is for more clouds to move across the area for the next day and then things should clear out again.