Date: Sat, 18 Apr 2009 11:58:58 -0000 (UTC)
Subject: 3.5m Night Log 20090417
From: "Gabrelle Saurage"
                        Apache Point Observatory
                        3.5m Telescope Night Log
                        Friday, April 17, 2009
                                                          ACTUAL
 ASTRONOMER     OBSERVER(S)               INSTRUMENT   START  FINISH
-------------------------------------------------------------------
 P.Szkody       P.Szkody                  DIS          20:10  00:59
 J.Frieman      D.Tucker, S.Allam, H.Lin  DIS          01:01  06:00
   INST     SCHED(TWILIGHT) WEATH     EQUIP      OBS     DAY  NOT USED
 I/ROW/DN   START  FINISH   D    B    D    B    D    B   USE   D    B
----------------------------------------------------------------------
 UW07/R     20:31  01:05    0    0    0    0   4.6   0    0    0    0
 UC06/R     01:05  05:34    0    0    0    0   1.6  2.9   0    0    0
  note: scheduled times listed include instrument change time
                ------------- ACTIVITY LOG --------------
 Observing Specialist: G.Saurage
AzVelScale: 581.9, 580.9; 581.4
There were some low clouds overhead at sunset that delayed opening, but they cleared
off quickly. Clear skies, variable seeing, rest of the night.
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
--------------------------------------------------------------------------
 20:20 dis-slit   343(  10) 125  68   0.1  1.4  0.4  0.8  0.2     1.42
 21:35 dis-slit   190(-201) 191  60  -0.1  0.1  0.1 -0.8 -0.3     1.43
 01:06 dis-slit   174(-282) -50  74  -0.8 -1.1 -0.8 -1.4 -1.0     1.58
                ------------- WEATHER LOG ----------------
                                   Wind                      Precip.or
     Time   Temp F Dewp F  MPH  Direction    Dust    Sky    Conditions
    -------------------------------------------------------------------
     16:00    35     1     26   270    (W)         ptly cldy   none
     17:00    38     4     21   245  (WSW)         ptly cldy   none
     18:00    35     1     20   259    (W)        mstly cldy   none
     19:00    36     4     17   267    (W)        mstly cldy   none
     20:00    33     6     17   263    (W)        mstly cldy   none
     21:00    32     7     10   270    (W)        mstly clr    none
     22:00    32     8      9   270    (W)    765    clear     none
     23:00    32     9     14   266    (W)    770    clear     none
     00:00    31     9     14   267    (W)    866    clear     none
     01:00    31    10     16   275    (W)    973    clear     none
     02:00    31    11     17   318   (NW)    956    clear     none
     03:00    31    12     12   307   (NW)    916    clear     none
     04:00    30    14     13   285  (WNW)   1041    clear     none
     05:00    30    14     11   298  (WNW)   1092    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: 2.10.0
      Current TUI version: TUI 1.5.1