18:50 telescope checked/ready, doors open, the sky mostly clear. 19:50 enclosure off cart 2 plt 234 on the telescope. Thin clouds. 20:50 On sky - we took 4 science exposure at misarable seeing -got very low S/N (below 2). 22:45 Cart 9 plt 644 on. 5 science exposure taken but still with a bad S/N ratio. 00:40 telescope closed - humidity too high. 04:00 enclosure off, catr 3 plt 666 mounted, we are back on the sky. 05:10 We finished that plate and declared it done. 05:50 telescope in the enclosure: cart 2 plt 634 on. 05:50 dewars forced to fill up, hoses unhooked! ************************************* WE ARE LEAVING TELESCOPE TRACKING !!! track 121,30 mount /rota=0 /rotty=mount WIND BAFFLE off and locked, ************************************* Problems: the same as last night: 1) one or more axes did not end on a full step 0, 0, 0, 0, 1" 2) dsc_I_trcInfo Applying correction 3859286 to azimuth