Date: Sun, 11 Jan 2009 13:50:18 -0000 (UTC)
Subject: 3.5m Night Log 20090110
From: "Gabrelle Saurage"
                        Apache Point Observatory
                        3.5m Telescope Night Log
                        Saturday, January 10th, 2009
                                                         ACTUAL
 ASTRONOMER      OBSERVER(S)              INSTRUMENT   START  FINISH
-------------------------------------------------------------------
 T.Harrison      T.Harrison               DIS          19:00  00:05
 M.Gladders      E.Wuyts                  NICFPS       00:18  06:45
   INST     SCHED(TWILIGHT) WEATH     EQUIP      OBS     DAY  NOT USED
 I/ROW/DN   START  FINISH   D    B    D    B    D    B   USE   D    B
----------------------------------------------------------------------
 NM07/R     18:13  23:10    0   1.0   0    0    0   4.9   0    0    0
 UC03/R     00:10  06:09    0    0    0    0    0   6.0   0    0    0
  note: scheduled times listed include instrument change time
                ------------- ACTIVITY LOG --------------
Observing Specialists: G.Saurage
There was about 2" snow accumulation during the day. After a south-facing sunny
afternoon the snow on the dome was mostly clear but humidity was still very high for
a few hours at dusk. High winds caused some blowing snow but temperatures remained
cold.
First half seeing was not good and we had some struggling with guiding due to the
high gusts, but we persisted. Winds calmed down second half and seeing improved
some.
                       ------- 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
 -----------------------------------------------------------------
 19:23 dis-slit -111(-685)  65  61  -5.4 -3.7 -3.2 -5.0 -5.6      2.00
 00:34 NICFPS    -65( -77) 115  73  -3.3 -4.3 -3.7 -4.6 -3.6   H  1.39
                ------------- WEATHER LOG ----------------
                                   Wind                      Precip.or
     Time   Temp F Dewp F  MPH  Direction    Dust    Sky    Conditions
    -------------------------------------------------------------------
     16:00    23    19      6    31  (NNE)    310    clear     none
     17:00    23    20      2     3    (N)    317    clear     none
     18:00    21    18     23    31  (NNE)    257    clear     none
     19:00    21    14     27    23  (NNE)    175    clear     none
     20:00    24     2     29    27  (NNE)    191    clear     none
     21:00    24     0     21    41   (NE)    188    clear     none
     22:00    23     4     15     9    (N)    169    clear     none
     23:00    26    -6     28    31  (NNE)    139    clear     none
     00:00    24    -3     26    11    (N)    148    clear     none
     01:00    27   -10     21    11    (N)    135    clear     none
     02:00    29   -12     15    19  (NNE)    124    clear     none
     03:00    31   -12     12    15  (NNE)    104    clear     none
     04:00    30   -10     12    11    (N)    124    clear     none
     05:00    30    -9     15    32  (NNE)    138    clear     none
     06:00    30   -10     12    12  (NNE)    116    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 1.5.1