Date: Sun, 19 Apr 2009 11:24:57 -0000 (UTC)
Subject: 3.5m Night Log 20090418
From: "Gabrelle Saurage"
                        Apache Point Observatory
                        3.5m Telescope Night Log
                        Saturday, April 18, 2009
                                                          ACTUAL
 ASTRONOMER     OBSERVER(S)               INSTRUMENT   START  FINISH
-------------------------------------------------------------------
 G.Sivakoff     G.Sivakoff, D.Whelan      DIS          19:45  01:01
 G.Wallerstein  J.Hughes                  SPICAM       01:10  05:20
   INST     SCHED(TWILIGHT) WEATH     EQUIP      OBS     DAY  NOT USED
 I/ROW/DN   START  FINISH   D    B    D    B    D    B   USE   D    B
----------------------------------------------------------------------
 UV04/R     20:32  01:05    0    0    0    0   4.5   0    0    0    0
 UW05/R     01:05  05:33    0   0.6   0    0   2.1  1.8   0    0    0
  note: scheduled times listed include instrument change time
                ------------- ACTIVITY LOG --------------
 Observing Specialist: G.Saurage
Mostly clear night. Towards the morning some clouds formed overhead and steadily
increased until we weren't getting anything near 05:00.
At times seeing was as good as 0.7" and as bad as 2.5".
No problems.
                       ------- 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
--------------------------------------------------------------------------
 20:30 dis-slit   354(279) 128  71   5.8  6.7  5.8  5.8  5.7            1.23
 22:14 dis-slit   115( -9)  52  62   6.1  5.5  5.5  4.5  5.2            1.25
 01:18 SPICAM      70(173) -36  47   5.2  4.8  5.1  3.9  4.7   Strom y  0.76
                ------------- WEATHER LOG ----------------
                                   Wind                      Precip.or
     Time   Temp F Dewp F  MPH  Direction    Dust    Sky    Conditions
    -------------------------------------------------------------------
     16:00    43    19     10   340  (NNW)    433    clear     none
     17:00    45    18     22   323   (NW)    409    clear     none
     18:00    45    18     14   304   (NW)    454    clear     none
     19:00    45    18      3   265    (W)    472    clear     none
     20:00    43    18      8   354    (N)    375    clear     none
     21:00    43    18      8    11    (N)    452    clear     none
     22:00    43    19      6     5    (N)    355    clear     none
     23:00    43    19      7    10    (N)    392    clear     none
     00:00    42    18      8    39   (NE)    432    clear     none
     01:00    42    18     12    65  (ENE)    366    clear     none
     02:00    35    20     20    72  (ENE)    368    clear     none
     03:00    34    23     11    68  (ENE)    327 mstly clr    none
     04:00    41    19      1   142   (SE)    355  ptly cldy   none
     05:00    36    22      6    86    (E)    224   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: 2.10.0
      Current TUI version: TUI 1.5.1