Date: Thu, 1 Apr 2010 04:39:46 -0600 (MDT)
Subject: 3.5m Night Log 20100331
From: "Jack Dembicky"
                        Apache Point Observatory
                        3.5m Telescope Night Log
                        Wednesday March 31, 2010
                                                         ACTUAL
 ASTRONOMER     OBSERVER(S)             INSTRUMENT    START  FINISH
 -------------------------------------------------------------------
 S.Schmidt     S.Schmidt               TSPEC          19:30  01:02
 M.Gladders    M.Bayless               NICFPS         01:12  04:12
                                       TSPEC, NICFPS
  PROG        SCHEDULED      WEATH     EQUIP      OBS     NOT USED
 I/ROW/DN   START  FINISH    D    B    D    B    D    B    D    B
 ------------------------------------------------------------------
 UW11/R     19:31  01:00     0    0    0    0   2.0  3.6   0    0
 UC02/R     01:00  06:43     0   2.5   0    0    0   3.0   0    0
   note: scheduled times listed include instrument change time
                ------------- ACTIVITY LOG --------------
 Observing Specialist: J.Dembicky
 Clouds for most of the latter part of 1st half and all of second half.  We observed thru them but
by 04:10 is was pretty pointless to continue and my observer threw in the towel for the night.
                ------------- FAILURE LOG --------------
  PROG   INST   FAILURE MODE     TIME
      (STEDFNVOG)   TI/SHU    START  FINISH  DESCRIPTION
 ----------------------------------------------------------------------
               ---------------- FOCUS LOG ---------------
 Time  Instrument  Focus    Az  El  Temp Strc Prim  Sec  Air  filt FWHM
 -----------------------------------------------------------------------
 19:51 TSPEC   377(  842)  34  48   8.6 11.2 10.1 10.3 10.2   Ks  1.50
 01:39 NICFPS   175(  764) 144  43   7.3  7.4  8.0  6.8  7.1   H  1.40
                 ------------- WEATHER LOG ----------------
                                   Wind                      Precip.or
     Time   Temp F Dewp F  MPH  Direction    Dust    Sky    Conditions
    -------------------------------------------------------------------
     16:00    55    15     34   216   (SW)   4441  ptly cldy   none
     17:00    56    14     21   231   (SW)   4013  ptly cldy   none
     18:00    54    12     23   202  (SSW)   2921  ptly cldy   none
     19:00    50     9     30   240  (WSW)   3057  ptly cldy   none
     20:00    49     8     22   251  (WSW)   2775  ptly cldy   none
     21:00    48     9     20   239  (WSW)   2894  ptly cldy   none
     22:00    47    11     18   250  (WSW)   3184 mstly cldy   none
     23:00    47    13     14   254  (WSW)   3705 mstly cldy   none
     00:00    47    11     16   222   (SW)   3153 mstly cldy   none
     01:00    46    10     21   217   (SW)   3163   cloudy     none
     02:00    45    10     18   209  (SSW)   3275   cloudy     none
     03:00    44    11     18   225   (SW)   3556   cloudy     none
     04:00    42    12     13   209  (SSW)   3958   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: 2.11.1
      Current TUI version: 1.7.1