Date: Wed, 29 Mar 2006 06:22:45 -0700 (MST)
From: Jack Dembicky
Subject: 3.5m Night Log 20060328
                        Apache Point Observatory
                        3.5m Telescope Night Log
                        Tuesday, March 28, 2006
                                                         ACTUAL
 ASTRONOMER      OBSERVER(S)            INSTRUMENT     START FINISH
 --------------------------------------------------------------------
 B.Moorthy       B.Moorthy              DIS            21:20  06:15
  INST     SCHED(TWILIGHT)   WEATH     EQUIP     OBS     DAY  NOT USED
 I/ROW/DN    START FINISH   D    B    D    B    D    B   USE   D    B
 ----------------------------------------------------------------------
 UW13/R      19:14  05:02  2.1   0    0    0   7.7    0    0    0    0
  note: scheduled times listed include instrument change time
                ------------- ACTIVITY LOG --------------
 Observing Specialist: J.Dembicky
 Clouds, Lt. Snow kept us shut until around 21:15.  Not much accumulation.
 We were open the rest of the night with no problems.
                       ------- FAILURE LOG -------
  PROG   INST   FAILURE MODE     TIME
       (SEDFNVOG)    TI/SHU   START  FINISH  DESCRIPTION
 -----------------------------------------------------------------------
                ---------------- FOCUS LOG ---------------
                                        Air/Truss   Wind
 Time   Instrument   Focus     Az  El    Temp-C    Dir MPH  filt  FWHM
 ---------------------------------------------------------------------
 21:35  DISSlit -150(443)     -26  78   2.3/3.1     17 232  none   1.0
 21:46  NA2gdr  -11881(19218) -36  77   2.4/2.8     17 240  R+ND2  0.81
 00:39  DISslit -35(538)      133  76   3.1/2.4     14 270  none   1.0
 00:47  NA2gdr  -7500(535)    136  77   3.5/2.4     18 253  clear  1.2
                ------------- WEATHER LOG ----------------
                                   Wind                      Precip.or
     Time   Temp F Dewp F  MPH  Direction    Dust    Sky    Conditions
    ------------------------------------------------------------------
     16:01    39    31     28   235  (SW)    1678  Cloudy    Lt. Snow
     17:01    36    31     22   256  (WSW)   1892  Cloudy    Lt. Snow
     18:01    33    31     15   278  (W)     1517  Cloudy    Lt. Snow
     19:01    32    32      9   261  (W)     1405  Cloudy    Lt. Snow
     20:01    34    29     19   208  (SSW)   1839  Cloudy      none
     21:01    34    28     17   222  (SW)    1984 Lt. Cirrus   none
     22:01    37    24     17   249  (WSW)   1946 Lt. Cirrus   none
     23:01    37    24     15   242  (WSW)   1973 Lt. Cirrus   none
     00:01    38    24     16   243  (WSW)   1406   Clear      none
     01:01    39    24     18   251  (WSW)   1099   Clear      none
     02:01    38    24     19   254  (WSW)   1419   Clear      none
     03:01    37    26     18   236  (SW)     735   Clear      none
     04:01    37    26     18   246  (WSW)    724 Lt. Cirrus   none
     05:01    37    25     15   238  (WSW)    737 Lt. Cirrus   none
     06:01    36    25     21   229  (SW)     862   Cirrus     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: 2.8
      Current TUI version: TUI 1.2a1