Date: Wed, 27 Apr 2005 06:45:26 -0600 (MDT)
From: Jack Dembicky
Subject: 3.5m Night Log 20050426
                        Apache Point Observatory
                        3.5m Telescope Night Log
                        Tuesday, April 26, 2005
                                                         ACTUAL
 ASTRONOMER      OBSERVER(S)            INSTRUMENT     START FINISH
 --------------------------------------------------------------------
 J.Holtzman      P.Lim                  Echelle        18:37  01:02
 D.York          D.York                 DIS            01:02  06:44
  INST     SCHED(TWILIGHT)   WEATH     EQUIP     OBS     DAY  NOT USED
 I/RO/DN     START FINISH   D    B    D    B    D    B   USE   D    B
 ----------------------------------------------------------------------
 NM10/R      20:39  01:00   0    0    0   0.2  2.0  2.1   0    0    0
 UC05/R      01:00  05:23   0    0    0    0    0   4.4   0    0    0
  note: scheduled times listed include instrument change time
                ------------- ACTIVITY LOG --------------
 Observing Specialist: J.Dembicky
 I opened the enclosure around 19:00 under mostly clear sky. Focused
 around 19:53.  The Echelle ICC crashed once, but otherwise no problems.
 UW12 and UC05 swapped nights tonight (UW12 will be on tommorow 2nd half).
                      ------- FAILURE LOG -------
  PROG   INST   FAILURE MODE     TIME
      (SEGDFNVO)    TI/SHU   START  FINISH  DESCRIPTION
 -----------------------------------------------------------------------
 NM10     E          I/H     22:45  23:00   Echelle ICC crashed
                 ---------------- FOCUS LOG ---------------
                                        Air/Truss   Wind
 Time   Instrument   Focus     Az  El    Temp-C    Dir MPH  filt  FWHM
 ---------------------------------------------------------------------
 19:53  Echelle      50(342)    4  72    5.6/7.4   274  13   ND2  0.71
 01:07  DISslit     -25(966) -157  62    5.0/4.5   275   7  none  1.0
 01:13  NA2gdr  -1280(21719) -156  61    4.9/4.4   269   7    R   0.64
                ------------- WEATHER LOG ----------------
                                   Wind                      Precip.or
     Time   Temp F Dewp F  MPH  Direction    Dust    Sky    Conditions
     ------------------------------------------------------------------
     16:01    47    25     17   255  (WSW)    406  Pt. Cldy   none
     17:01    47    23     12   264  (W)      359  Pt. Cldy   none
     18:01    44    22      8   300  (WNW)    393  Pt. Cldy   none
     19:01    46    22     11   267  (W)      421  Mst. Clr   none
     20:01    42    21      8   274  (W)      399   Clear     none
     21:01    43    21      7   267  (W)      416   Clear     none
     22:01    42    21     10   239  (WSW)    450   Clear     none
     23:01    41    17     11   228  (SW)     668   Clear     none
     00:01    41    17      8   259  (W)      636   Clear     none
     01:01    41    18      5   262  (W)      667   Clear     none
     02:01    41    20      9   283  (WNW)    646   Clear     none
     03:01    42    20      7   265  (W)      597   Clear     none
     04:01    41    20      6   258  (WSW)    560   Clear     none
     05:01    41    22      8   266  (W)      509   Clear     none
     06:01    41    23      8   276  (W)      477   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 Remark version: 2.85b
      Current TCC version: 2.7.2  Current TUI version: TUI 0.94