Date: Wed, 11 May 2011 05:46:50 -0600 (MDT)
Subject: 3.5m Night Log 20110510
From: "Jack Dembicky"
                      Apache Point Observatory
                      3.5m Telescope Night Log
                      Tuesday, May 10, 2011
                                                           ACTUAL
 ASTRONOMER      OBSERVER(S)            INSTRUMENT     START  FINISH
--------------------------------------------------------------------
T.Murphy          R.McMillan            APOLLO         --:--   --:--
Y.Shen            Y.Shen                Triplespec     --:--   --:--
S.Bickerton       S.Bickerton           DIS            03:45   05:30
   INST       SCHEDULED     WEATH     EQUIP      OBS     NOT USED
 I/ROW/DN   START  FINISH   D    B    D    B    D    B    D    B
 ----------------------------------------------------------------
DD01/R     20:00   20:45    0   0.8   0    0   0.0   0    0    0
PU07/R     20:45   01:10    0   4.4   0    0   0.0   0    0    0
PU05/R     01:10   05:59   1.7  0.8   0    0   2.3   0    0    0
note: scheduled times listed include instrument change time
              ------------- ACTIVITY LOG --------------
Observing Specialist: J.Dembicky
DIS Blue temp -86.0C at start of night.
Dust kept us closed again for most of the night but finally relented around 03:30.
DIS blue temp at end of night -96.3C
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
--------------------------------------------------------------------------
 03:52 dis-slit  -494(-1103)  17  56   1.1  3.7  5.9  2.4  2.2   --  2.00
               ------------- WEATHER LOG ----------------
                                   Wind                      Precip.or
     Time   Temp F Dewp F  MPH  Direction    Dust    Sky    Conditions
    ------------------------------------------------------------------
     16:00    62    21     22   260    (W)   3835 mstly clr    none
     17:00    64    20     33   211  (SSW)   4406 mstly clr    none
     18:00    62    20     19   245  (WSW)   6001 mstly clr    dust
     19:00    56    17     20   248  (WSW)  13159 mstly clr    dust
     20:00    52    16     22   218   (SW)  17417 mstly clr    dust
     21:00    50    17     21   264    (W)   6454 mstly clr    dust
     22:00    46    13     19   264    (W)   6379 mstly clr    dust
     23:00    42    17     17   268    (W)  11197 mstly clr    dust
     00:00    39    18     21   276    (W)  14222 mstly clr    dust
     01:00    38    18     13   273    (W)  29157  ptly cldy   dust
     02:00    37    18     19   263    (W)  17720  ptly cldy   dust
     03:00    35    18     19   280    (W)   6613 mstly clr    none
     04:00    34    14     18   255  (WSW)   2240    clear     none
     05:00    33    12     15   271    (W)   2020    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: 2.14.0
    Current TUI version: 1.8.7