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NOAO Newsletter - SCOPE - June 1998 - Number 54


1998B Observing Request Statistics -- Cerro Tololo Inter-American Observatory

August 1998 - January 1999

Summary:

Telescope:                  4-m       1.5-m    YALO       0.9-m      Schmidt
No. of requests:            142         39        6        24           11
No. of Nights Requested: 459.50     165.00    10.50    116.00       115.00
No. of Nights Available*:   126        150        8       132           79
Oversubscription:          3.65       1.10     1.31      0.88         1.46   
Average request:           3.24       4.23     1.75      4.83        10.45

* The number of nights available is approximate until engineering time
assignments have been allocated.


Requests by Telescope:

                                 4-m Telescope
                    Requests       Nights Requested      Total Nights
Instrument       Dark   Bright      Dark    Bright    Requested Percentage
  ARGUS           0        0        0.00      0.00       0.00       0.0%
  BTC            39        2       135.0      2.00     137.00      29.8%
  CFIM            4        0       12.00      0.00      12.00       2.6%
  CIRIM           0       12        0.00     36.00      36.00       7.8%
  COB             1        2        2.00      4.00       6.00       1.3%
  ECH             4       14       15.00     46.00      61.00      13.3%
  IRS             0        7        0.00     19.00      19.00       4.1%
  OSCIR           1        9        4.00     27.00      31.00       6.7%
  PFIM            7        0       27.00      0.00      27.00       5.9%
  RCSP           25       12       87.00     35.50     122.50      26.7%
  RFP             1        1        2.00      3.00       5.00       1.1%
  VISITOR         0        1        0.00      3.00       3.00       0.7%
                  -        -        ----      ----       ----       ----
                 82       60       284.0     175.50    459.50     100.0%


                                1.5m Telescope
                    Requests       Nights Requested      Total Nights
Instrument       Dark   Bright      Dark    Bright    Requested Percentage
  ASCAP           1        3        6.00     21.00      27.00      16.4%
  BME             1        0        5.00      0.00       5.00       3.0%
  CFIM14          0        1        0.00      5.00       5.00       3.0%
  CFIM8          10        3       39.00      6.00      45.00      27.3%
  CIRIM           1        8        7.00     33.00      40.00      24.2%
  CSPEC           5        6       20.00     23.00      43.00      26.1%
  RFP14           0        0        0.00      0.00       0.00       0.0%
  RFP8            0        0        0.00      0.00       0.00       0.0%
  VIS             0        0        0.00      0.00       0.00       0.0%
                  -        -        ----      ----       ----       ----
                 18       21       77.00     88.00     165.00     100.0%


                                 YALO Telescope
                    Requests       Nights Requested      Total Nights
Instrument       Dark   Bright      Dark    Bright    Requested Percentage
  ANDICAM         0        1        0.00      5.00       5.00      47.6%
  CFIM            4        1        2.50      3.00       5.50      52.4%
                  -        -        ----      ----       ----      -----
                  4        2        2.50      8.00      10.50     100.0%


                                  0.9m Telescope
                    Requests       Nights Requested      Total Nights
Instrument       Dark   Bright      Dark    Bright    Requested Percentage
  CFIM           18        6       90.00     26.00     116.00     100.0%


                                 SCHM Telescope
                    Requests       Nights Requested      Total Nights
Instrument       Dark   Bright      Dark    Bright    Requested Percentage
  NFDIR           7        2       47.00     53.00     100.00      87.0%
  NFPRM           0        2        0.00     15.00      15.00      13.0%
                  -        -        ----     -----      -----      -----
                  7        4       47.00     68.00     115.00     100.0%



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