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Observing Request Statistics: August 1992 -...(1Jun92) January 1993 (from CTIO, NOAO Newsletter No. 30, 1 June 1992) 4-m Telescope # of Nights # of Requests@ Requested Dark Bright Dark Bright Instrument Nights % 32 9 112 35 CS/CCD 147 32.5 7 11 24 43 Ech/CCD 67 14.8 1 2 PF/Plates 2 0.5 22 1 73 2 PF/CCD 75 16.6 1 9 4 33 IR/IRS 37 8.2 11 6 41 26 Argus 67 14.8 1 4 ASCAP 4 0.9 3 10 CF/CCD 10 2.2 1 2 2 6 RF/P 8 1.8 6 25 IR/Imager 25 5.5 1 5 Visitor 5 1.1 1 5 IR/Phot 5 1.1 -- - --- - - --- 79 45 272 180 452 100% Now Last Semester Semester Before Last No. of requests 124 109 118 No. of nights requested 452 397 420 Oversubscription* 2.77 2.55 2.55 Average request 3.64 3.64 3.6 * 163 nights available after engineering 1.5-m Telescope # of Nights # of Requests@ Requested Dark Bright Dark Bright Instrument Nights % 27 4 117 20 CF/CCD 137 42.3 10 5 58 38 CS/CCD 96 29.6 1 3 2 26 Visitor 28 8.6 1 3 IR/Phot 3 0.9 2 6 IR/IRS 6 1.9 5 5 29 IR/Imager 34 10.5 1 6 ASCAP 6 1.9 1 3 Ech/CCD 3 0.9 1 11 RF-P 11 3.4 -- - --- -- -- --- 38 23 182 142 324 100% Now Last Semester Semester Before Last No. of requests 61 59 58 No. of nights requested 324 329.5 280 Oversubscription* 1.91 1.97 1.68 Average request 5.31 5.59 4.8 * 169 nights available after engineering 1-m Telescope # of Nights # of Requests Requested Dark Bright Dark Bright Instrument Nights % 5 6 38 81 ASCAP 119 68.8 5 3 33 21 CS/2DF 54 31.2 - - -- -- -- ---- 10 9 71 102 173 100% No. of requests = 19 No. of nights requested = 173 Oversubscription* = 1.02 Average Request = 9.1 nights * 168 nights available after engineering 0.9-m Telescope # of Nights # of Requests Requested Dark Bright Dark Bright Instrument Nights 19 17 113 127 CF/CCD 240 No. of requests = 36 No. of nights requested = 240 Oversubscription* = 1.41 Average Request = 6.66 nights * 170 nights available after engineering Curtis Schmidt Plates 3 req. for 62 nights 58.5% CCD 10 req. for 44 nights 41.5% -- -- ---- 13 req. 106 nights 100% No. of requests = 13 No. of nights requested = 106 Oversubscription* = 0.61 Average request = 8.15 nights * 174 nights available after Michigan time 0.6-m Telescope ASCAP3 requests for 23 nights @ Note: requests for two or more instruments on the same telescope for the same lunar phase are counted as a "request" for the first instrument only, however, all nights requested on individual instruments are included in the "# of Nights Requested" column. Doug Geisler
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