Date: Mon, 24 Nov 2008 13:26:53 -0000 (UTC)
Subject: 3.5m Night Log 20081123
From: "Gabrelle Saurage"
                        Apache Point Observatory
                        3.5m Telescope Night Log
                        Sunday, November 23, 2008
                                                         ACTUAL
 ASTRONOMER      OBSERVER(S)              INSTRUMENT  START  FINISH
-------------------------------------------------------------------
 A.Riess         B.Dilday                 DIS         17:15  23:55
 J.Wisniewski    J.Wisniewski,A.Kowalski  DIS         00:00  06:30
   INST     SCHED(TWILIGHT) WEATH     EQUIP      OBS     DAY  NOT USED
 I/ROW/DN   START  FINISH   D    B    D    B    D    B   USE   D    B
----------------------------------------------------------------------
 JH01/R     17:55  00:00    0    0    0    0   6.1   0   0    0    0
 UW12/R     00:00  05:45    0    0    0    0   3.9  1.8  0    0    0
  note: scheduled times listed include instrument change time
                ------------- ACTIVITY LOG --------------
Observing Specialists: G.Saurage
AzVeloScale: 580.5, 579.6; 580.0 (no change)
Smooth night first half; moderate to good seeing. Around 02:30 a cold front came
through and dropped temps about 5 degrees C which blew up seeing over 3" the rest of
the night.
No telescope problems. Yay!
                       ------- FAILURE LOG -------
  PROG   INST   FAILURE MODE     TIME
       (SEDFNVOG)   TI/SHU    START  FINISH  DESCRIPTION
 ----------------------------------------------------------------------
               ---------------- FOCUS LOG ---------------
Time  Instrument  Focus    Az  El  Temp Strc Prim  Sec  Air  filt FWHM
 -----------------------------------------------------------------
 18:45 dis-slit  15( -41) -41  50   5.9  6.7  6.2  5.2  5.7     1.35
 00:09 dis-slit  53(-125) 161  68   5.4  4.5  5.0  4.2  5.1     0.97
 02:06 dis-slit  71( -85) 207  66   5.4  5.0  5.2  4.2  4.7     0.97
 03:16 dis-slit  -2(-337) -10  53  -1.6  1.0  0.1 -0.7 -1.0     3.19
                ------------- WEATHER LOG ----------------
                                   Wind                      Precip.or
     Time   Temp F Dewp F  MPH  Direction    Dust    Sky    Conditions
    -------------------------------------------------------------------
     16:00    44    10      4    10    (N)   1329    clear     none
     17:00    43     7      9     3    (N)    735    clear     none
     18:00    43     9      3     5    (N)    670    clear     none
     19:00    41    11     10   334  (NNW)   1023    clear     none
     20:00    42    11      4   343  (NNW)    972    clear     none
     21:00    42    15      8   314   (NW)   1645    clear     none
     22:00    39    14      9   325   (NW)   1269    clear     none
     23:00    42    13      7   351    (N)   1234    clear     none
     00:00    41    12     14     7    (N)   1296    clear     none
     01:00    42    10     20    57  (ENE)   1088    clear     none
     02:00    41     2      7    52   (NE)    443    clear     none
     03:00    30    14     20    60  (ENE)   1323    clear     none
     04:00    28    15     22    77  (ENE)    910    clear     none
     05:00    28    13     20    72  (ENE)    783    clear     none
     06:00    28    12     19    72  (ENE)    570    clear     none
     Note: the wind was coming from the azimuth listed.
     The convention used is north=0 degrees, east=90 degrees.
     The dust count is particles > 1u per 0.1 cubic feet.
                              TELESCOPE STATUS
      Telescope drives operational. Current TCC version: 2.9.1
      Current TUI version: TUI 1.5