Date: Sat, 27 Sep 2008 12:08:26 -0000 (UTC)
Subject: 3.5m Night Log 20080926
From: "Gabrelle Saurage"
                        Apache Point Observatory
                        3.5m Telescope Night Log
                        Friday, September 26, 2008
                                                         ACTUAL
 ASTRONOMER   OBSERVER(S)             INSTRUMENT      START  FINISH
-------------------------------------------------------------------
 D.Bowen      D.Bowen                 DIS             --:--  --:--
 J.Holtzman   D.McGinnis              DIS             01:55  06:10
   INST     SCHED(TWILIGHT) WEATH     EQUIP      OBS     DAY  NOT USED
 I/ROW/DN   START  FINISH   D    B    D    B    D    B   USE   D    B
---------------------------------------------------------------------
 PU02/R     19:47  01:05   5.3   0    0    0    0    0    0    0    0
 NM06/R     01:05  06:02   0.9   0    0    0   3.2  0.9   0    0    0
  note: scheduled times listed include instrument change time
                ------------- ACTIVITY LOG --------------
Observing Specialists: G.Saurage
AzVelScale: 586.9, 591.3; 589.1 (changed to 589)
AltVelScale: -629.5, -631.0; -630.3 (changed to -630)
Overcast skies and local radar activity all first half. Began clearing around 1am.
Clear enough to try opening near 2am. A few clouds on and off with humidity rising
and falling second half. Moderate seeing.
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
 -----------------------------------------------------------------
 02:03 dis-slit  -94(-31) -44  42   8.9  8.9  8.9  8.5  8.8     1.42
                ------------- WEATHER LOG ----------------
                                   Wind                      Precip.or
     Time   Temp F Dewp F  MPH  Direction    Dust    Sky    Conditions
    -------------------------------------------------------------------
     16:00    53    48      5   245  (WSW)   1422   cloudy     none
     17:00    53    48      1   229   (SW)   1587   cloudy     none
     18:00    52    46      4   193  (SSW)   1381   cloudy     none
     19:00    51    45      4   200  (SSW)   1422   cloudy     none
     20:00    50    44      1   133   (SE)   1412   cloudy     none
     21:00    49    43      2   192  (SSW)   1262   cloudy     none
     22:00    49    43      5   167  (SSE)   1284   cloudy     none
     23:00    48    39     10   127   (SE)   1073   cloudy     none
     00:00    48    38      6   110  (ESE)   1124 mstly cldy   none
     01:00    47    39      2   107  (ESE)   1240  ptly cldy   none
     02:00    49    38      1   221   (SW)   1099  ptly cldy   none
     03:00    46    41      6   355    (N)   1153 mstly clr    none
     04:00    46    39      8     8    (N)   1077 mstly clr    none
     05:00    48    39     10    21  (NNE)   1070    clear     none
     06:00    47    40      9    34   (NE)   1183    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