April 2006 MMT Observing Schedule Date* Day Moon Observer f/5 Queue Obs Instrument f/5 Asst 2ndry Operator Program 1 (9.7) S 3.5 Eisenstein Loll Hectospec Calkins f/5 Milone UAO-S22 2 " S 4.4 " Eisenstein " Berlind " " " 3 (9.6) M 5.4 Momcheva " " " " " UAO-S67 4 " T 6.3 Mathieu Meibom Hectochelle " " " PA-06A-0162 5 (9.5) W 7.2 " " " " " " " 6 " Th 8.2 " " " " " " " 7 " F 9.1 Kenworthy AO f/15 McAfee UAO-E56 8 (9.4) S 10.1 Apai CLIO " " UAO-S30 9 " S 11.0 Apai/Heinze " " " UAO-S30/UAO-S17 10 " M 12.0 Heinze " " " UAO-S17 11 (9.3) T 12.9 " " " Alegria " 12 " W 13.9 Heinze/Hinz " " " UAO-S17/UAO-S9 13 " Th -13.2 Lloyd-Hart LGS " " UAO-E34 14 (9.2) F -12.2 " " " " " 15 " S -11.3 " " " " " 16 " S -10.3 " " " " " 17 (9.1) M -9.4 " " " " " 18 " T -8.4 M&E/Szentgyorgyi Latham Hectochelle Calkins f/5 McAfee M&E/SAO-11 19 " W -7.5 Szentgyorgyi Latham/Fernandez " " " " SAO-11 20 (9.0) Th -6.5 Mathieu " / " " " " " PA-06A-0162 21 " F -5.6 " Fernandez " " " Milone " 22 " S -4.6 Olszweski Fernandez/Mateo " Berlind " " UAO-S69 23 (8.9) S -3.7 " " / " " " " " " 24 " M -2.7 " Mateo " " " " " 25 " T -1.8 Momcheva Allen Hectospec " " " UAO-S67 26 (8.8) W -0.8 Murray " " Calkins " " SAO-16 27 " Th 0.1 " Kochanek " " " McAfee " 28 " F 1.1 Geller " " " " " SAO-4 29 (8.7) S 2.0 " " " " " " " 30 " S 3.0 " " " Berlind " " " *Numbers in parentheses are the number of hours for which the Sun is greater than 12 degrees below the horizon. Schedule may be subject to change.