-- Main.Zheng - 11 Dec 2012
6:45pm, Acqusition UDS mask.
7:10pm, Telescope has problem of tracking, and get fixed in 20min.
7:45pm, Start Science exposure, seeing ~1.5''
8:15pm, seeing ~1.4''
8:30pm, the instrument temperature going up.
8:45pm, changing to Wenwen's target, seeing ~1.7-2.0''
8:50pm, instrument temperature problem (too high), doing some checking before Wenwen's target get acquisition.
9:10pm, start to acquisition Wenwen's target J2327.
9:45pm, we change target to J0745.
9:55pm, we start the acquisition of J0745 in J band.
10:10pm, start the science script on J0745 in J band, seeing ~ 1.6''
10:50pm, start the science script on J0745 in K band, seeing ~ 1.4-1.5''
11:30pm, telescope tracking problem again ...
11:45pm, we re-acquisition to J0745 in K band, seeing ~1.9''
11:50pm, we start exposure on J0745 in K band.
12:30am, we change target to J0825 in J band, seeing < 1.3''
1:05am, we acquisition Greg's target. seeing ~1.0''
1:20am, we start the science exposure on Greg's target.
1:50am, we got 4x 300sec on Greg's target Abell 773, and moving to z7p7 Linhua's target. Seeing is 0.8-1.0''
2:00am, we start acquisition Linhua's z7p7 target.
2:10am, right after we done with the acquisition, the whole building's power off.
2:40am, we got electricity, but telescope get stuck at 75 degrees.
5:50am, we are waiting to do calibrations, and there are no chance to take science target after the building's power off.