Weather Report for July 5, 2013

Monsoon debris clouds from huge storms that developed in eastern Arizona during the day were a problem all night long. Clouds were thickest in the middle and at the end of the night. Most of the last two hours were lost to clouds. Despite the marginal night, over a half dozen targets were successfully observed for polarization. Photometry was only acquired for one blazar (BL Lac) since a comparison star can be placed within the slit while the blazar is observed. Seeing was between 1.5 and 3 arcsec.