April 2005 MMT Observing Schedule Date Day Moon Observer Instrument Instr Asst 2ndry Operator Engr on Duty Program 4/1 (9.7) F -6.4 Olszewski Hectochelle Berlind f/5 Alegria TBD UAO-S24 4/2 " S -5.5 Tremonti " Calkins " " " UAO-S43 4/3 (9.6) S -4.6 " " " " " " " 4/4 " M -3.6 Geller Hectospec " " " " SAO-5 4/5 (9.5) T -2.7 " " " " McAfee " " 4/6 " W -1.7 Geller/Murray " Berlind " " " SAO-5/SAO-10 4/7 " Th -0.8 Murray " " " " " SAO-10 4/8 (9.4) F 0.2 " " " " Milone " " 4/9 " S 1.1 K. Williams " " " " " UAO-S67 4/10 " S 2.1 " " Calkins " " " " 4/11 (9.3) M 3.0 McLeod Megacam --- " " " SAO-1 4/12 " T 4.0 " " --- " " " " 4/13 " W 4.9 Tegler " --- " " " UAO-S15 4/14 (9.2) Th 5.9 Ashby " Berlind " " " SAO-15 4/15 " F 6.8 Barmby " " " McAfee " SAO-19 4/16 " S 7.8 " " " " " " " 4/17 (9.1) S 8.7 Brown SWIRC --- " " " SAO-3 4/18 " M 9.7 " " --- " " " " 4/19 " T 10.6 " " --- " Alegria " " 4/20 (9.0) W 11.6 Ashby " --- " " " SAO-8 4/21 " Th 12.5 " " --- " " " " 4/22 " F 13.5 Secondary Change --- --- --- " " Sec Change 4/23 (8.9) S -13.6 Kenworthy et al. ARIES --- f/15 " " UAO-E39 4/24 " S -12.6 Nielsen " --- " " " UAO-S72 4/25 " M -11.7 Kenworthy/Meyer " --- " " " UAO-E39/UAO-S62 4/26 (8.8) T -10.7 Meyer " --- " McAfee " UAO-S62 4/27 " W -9.8 Fan " --- " " " UAO-S5 4/28 " Th -8.8 Kenworthy/Potter " --- " " " UAO-E39/UAO-S66 4/29 (8.7) F -7.9 Kenworthy et al. " --- " Milone " UAO-E39 4/30 " S -7.0 Biller " --- " " " UAO-S14 *Numbers in parentheses are the number of hours for which the Sun is greater than 12 degrees below the horizon. Preliminary: Schedule may be subject to change.