Date: Mon, 9 May 2011 05:20:52 -0600 (MDT)
Subject: 3.5m Night Log 20110508
From: jwhueh@apo.nmsu.edu
                      Apache Point Observatory
                      3.5m Telescope Night Log
                      Sunday, May 08, 2011
                                                           ACTUAL
 ASTRONOMER      OBSERVER(S)            INSTRUMENT     START  FINISH
--------------------------------------------------------------------
P.Yoachim         S.Loebman, M.Spencer  DIS            19:40   01:04
J.Prieto          J.Prieto              DIS            01:08   04:40
   INST       SCHEDULED     WEATH     EQUIP      OBS     NOT USED
 I/ROW/DN   START  FINISH   D    B    D    B    D    B    D    B
 ----------------------------------------------------------------
UW06/R     19:59   01:10    0    0    0    0   0.4  4.8   0    0
PU02/R     01:10   06:00   3.6   0    0    0   1.2  0.0   0    0
note: scheduled times listed include instrument change time
              ------------- ACTIVITY LOG --------------
Observing Specialist: J.Huehnerhoff
Moderate seeing first half with clear skies.  Clouds moving in at start of
second half with full cloud cover by 0200MT.  Even though open the entire
night no science was possible after 0230MT.
No problems with DIS Blue.  At time of closing temp was -90.4C and ion
pump at 6.2V.
                    ------- 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
--------------------------------------------------------------------------
 20:13 dis-slit   333(  267) 158  79  13.6 15.1 14.1 13.6 13.7   --  1.19
 01:15 dis-slit    50( -198) 270  64  10.9 11.2 11.5 11.0 11.0   --  2.00
               ------------- WEATHER LOG ----------------
                                   Wind                      Precip.or
     Time   Temp F Dewp F  MPH  Direction    Dust    Sky    Conditions
    ------------------------------------------------------------------
     16:00    63    19     28   244  (WSW)   3083    clear     none
     17:00    65    21     25   261    (W)   3416    clear     none
     18:00    63    19     20   252  (WSW)   2835    clear     none
     19:00    60    17     19   254  (WSW)   3126    clear     none
     20:00    56    12     15   263    (W)   2875    clear     none
     21:00    56    11     24   240  (WSW)   3166    clear     none
     22:00    55     9     21   250  (WSW)   2992    clear     none
     23:00    55     9     24   262    (W)   2902    clear     none
     00:00    54     9     18   262    (W)   3197 mstly clr    none
     01:00    52     9     19   262    (W)   3113 mstly cldy   none
     02:00    51     5     19   254  (WSW)   2879   cloudy     none
     03:00    50     6     17   261    (W)   2759   cloudy     none
     04:00    49     6     14   262    (W)   2721   cloudy     none
     05:00    49     6     14   266    (W)   2901   cloudy     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