Subject: 3.5m Night Log 20090514
Date: Fri, 15 May 2009 12:40:10 +0000 (UTC)
From: bketzeba@apo.nmsu.edu
                        Apache Point Observatory
                        3.5m Telescope Night Log
                         Thursday, May 14, 2009
                                                         ACTUAL
 ASTRONOMER      OBSERVER(S)              INSTRUMENT   START  FINISH
 -------------------------------------------------------------------
 B.Keeney        Q.Hart                   DIS          19:30  01:05
 C.Wu            C.Wu                     DIS          01:10  05:45
   INST     SCHED(TWILIGHT) WEATH     EQUIP      OBS     DAY  NOT USED
 I/ROW/DN   START  FINISH   D    B    D    B    D    B   USE   D    B
 ----------------------------------------------------------------------
 CU02/R     20:55  01:05    0    0    0    0   3.7  0.4   0    0    0
 NM06/R     01:05  05:04    0   1.0   0    0    0   3.0   0    0    0
  note: scheduled times listed include instrument change time
                ------------- ACTIVITY LOG --------------
 Observing Specialist: B.Ketzeback
 Az Vel Scale Was 575 Measured 575.3 n/c
 Alt Vel Scale Was -602 Measured -601.9 n/c
 Mostly clear skies first half. A few hours of thick clouds did not
 cause us to close. After an hour skies again cleared. Dust levels
 remained elevated all night.
 No problems.
                       ------- 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
 --------------------------------------------------------------------------
 20:27 dis-slit  -169(  326) 107  59  13.9 18.2 16.4 16.7 14.9   ---  1.46
 23:38 dis-slit    29(  297)  98  68  13.0 13.6 13.5 12.3 12.7   ---  1.60
 23:39 dis-slit    29(  297)  98  68  12.9 13.6 13.5 12.3 12.7   ---  2.78
 01:19 dis-slit    60(  309) -169  66  13.4 13.2 13.3 12.3 12.6   ---  1.28
 01:21 NA2gdr   567(22567) -168  66  13.4 13.2 13.3 12.2 12.5   clear  1.31
                ------------- WEATHER LOG ----------------
                                   Wind                      Precip.or
     Time   Temp F Dewp F  MPH  Direction    Dust    Sky    Conditions
    -------------------------------------------------------------------
     16:00    71    25     14   213  (SSW)   3378  ptly cldy   dust
     17:00    67    25     20   239  (WSW)   2711  ptly cldy   dust
     18:00    67    25     17   240  (WSW)   2773  ptly cldy   dust
     19:00    63    20     10   222   (SW)   2752  ptly cldy   dust
     20:00    58    17      9   231   (SW)   2720    clear     dust
     21:00    57    15     11   188    (S)   3090    clear     dust
     22:00    57    15      6   179    (S)   3175    clear     dust
     23:00    59    17      4   172    (S)   3032    clear     dust
     00:00    56    17      6   195  (SSW)   3297 mstly clr    dust
     01:00                  2   114  (ESE)   3348 mstly cldy   dust
     02:00                  7   177    (S)   3234   cloudy     dust
     03:00                 16   162  (SSE)   3345 mstly cldy   dust
     04:00                 11   185    (S)   3071 mstly clr    dust
     05:00                 13   200  (SSW)   3394 mstly clr    dust
     06:00                 14   169    (S)   3575    clear     dust
     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: 2.10.0