Date: Sun, 30 Dec 2007 07:10:35 -0700 (MST)
From: Jack Dembicky
Subject: 3.5m Night Log 20071229
                         Apache Point Observatory
                         3.5m Telescope Night Log
                        Saturday, December 29, 2007
                                                           ACTUAL
  ASTRONOMER      OBSERVER(S)            INSTRUMENT     START  FINISH
 --------------------------------------------------------------------
 E.Berger         E.Berger, A.Soderberg  DIS            16:50  00:05
 H.Weaver         H.Weaver, C.Lisse      SPIcam         00:05  06:45
                  Y.Fernandez
   INST     SCHED(TWILIGHT)   WEATH     EQUIP     OBS     DAY  NOT USED
  I/ROW/DN    START FINISH   D    B    D    B    D    B   USE   D    B
 ---------------------------------------------------------------------
 DD04/R       18:04  00:05   0    0    0    0   5.1  0.9   0    0    0
 JH05/R       00:05  06:07   0    0    0    0    0   6.0   0    0    0
   note: scheduled times listed include instrument change time
                ------------- ACTIVITY LOG --------------
 Observing Specialist: J.Dembicky
 No problems tonight.
 Took NICFPS off vacuum and started cooling (log below)
 16:05 LN2 fill (vacuum 4.1e-6)
 16:14 LN2 full
 16:26 vacuum disconnected
 17:45 LN2 fill, electronics turned on, ION pump turned on
 20:45 LN2 fill
 00:05 LN2 fill
 06:50 LN2 fill (3 temps still bad, but cooling and close to good temp on
                 3 readings), vacuum at 6.8e-7
                       ------- 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
 ----------------------------------------------------------------------
 17:58 DISslit   -35(518)   -7  57  -5.4 -3.6 -4.2 -4.6 -5.0   --  1.4
 00:14 SPIcam    53(-411)   -4  57  -5.9 -6.6 -6.2 -7.1 -6.4    R  1.2
 00:25 NA2gdr      1000()   -4  57  -5.9 -6.6 -6.0 -6.9 -6.1    R  1.0
                 ------------- WEATHER LOG ----------------
                                   Wind                      Precip.or
     Time   Temp F Dewp F  MPH  Direction    Dust    Sky    Conditions
 ---------------------------------------------------------------------
     16:00    23    11      8   337  (NNW)    281    cirrus    none
     17:00    22     9      7   332  (NNW)    286    cirrus    none
     18:00    22     8      8    11    (N)    285    cirrus    none
     19:00    21     8      9   336  (NNW)    303    clear     none
     20:00    21     9     15   316   (NW)    289    clear     none
     21:00    21     9     16   329  (NNW)    329    clear     none
     22:00    21     8     11   337  (NNW)    342    clear     none
     23:00    21     8     14   324   (NW)    406    clear     none
     00:00    21     8     10   322   (NW)    367    clear     none
     01:00    22     9     14   306   (NW)    310    clear     none
     02:00    20     9     18   294  (WNW)    359    clear     none
     03:00    21     9     18   288  (WNW)    371    clear     none
     04:00    21     9     17   308   (NW)    377    clear     none
     05:00    21    11     19   327  (NNW)    246    clear     none
     06:00    22    11     22   334  (NNW)    280    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: 2.9.1
      Current TUI version: TUI 1.4.3