-01 Peter, Alaina, Howard, Ana 01 Dust check, cleaned gang connector after that 02 Dust check, after cleaning gang conector -03 Start beginning of night cal sequence 03 Dark 04 Dark 05 Dark 06 QTH 07 QTH 08 QTH 09 ThAr 10 UNe -11 2nd set of beg. night cal. seq. (one hour before the observations) 11 Dark 12 Dark 13 Dark 14 QTH 15 QTH 16 QTH 17 ThAr 18 UNe -19 Science exposure begins: Howard, Alaina, Peter and Ana (seeing 1.7") -19 Plate 4937, 030-08, Cart 6, 2nd visit 19 S/N=14 20 S/N=28, seeing~1.7" 21 S/N=28, seeing~1.7" 22 S/N=28.2, seeing getting worse 1.7-2.0" 23 S/N=27.7, seeing 1.7-2.0" 24 S/N=27.7 25 S/N=27.4, seeing 1.8-2.1" 26 S/N=27.4, seeing 1.9-2.1" 27 Skyflat, offset 0.01 deg RA 28 Domeflat, 2000 ADU 29 Domeflat, 2500 ADU 30 Dark 31 Dark 32 Dark -33 Plate 4937, 060-04, Cart 1, 2nd visit 33 S/N=27, seeing getting worse 2.0-2.5" 34 S/N=28 35 S/N=27.6 36 S/N=28.5, seeing 1.6-2.3" 37 S/N=28.7 38 S/N=29.3 seeing 1.7-1.8" 39 S/N=30.2 40 Domeflat, 2500 ADU 41 Dark 42 Dark 43 Dark 44 QTH (check for plugged gang connector) -45 Begin end of night cals