Date: Sun, 22 Feb 2009 13:00:46 -0000 (UTC)
Subject: 3.5m Night Log 20090221
From: "Gabrelle Saurage"
                        Apache Point Observatory
                        3.5m Telescope Night Log
                        Saturday, February 21st, 2009
                                                         ACTUAL
 ASTRONOMER      OBSERVER(S)              INSTRUMENT   START  FINISH
-------------------------------------------------------------------
 D.Bowen         D.Bowen                  DIS          18:00  00:07
 J.Dalcanton     S.Courteau               DIS          00:07  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
----------------------------------------------------------------------
 PU06/R     18:48  00:10    0    0    0    0   5.4   0    0    0    0
 UW05/R     00:10  05:46    0    0    0    0   5.0  0.6   0    0    0
  note: scheduled times listed include instrument change time
                ------------- ACTIVITY LOG --------------
Observing Specialists: G.Saurage
Na2 Tert Tilts
        Xtilt    Ytilt
 Was     -150      932
 Is      -170     1130
Guider Inst Block test in twilight. Measured Errors:
 At rot 0   obj   TertXTiltCoef=-19, TertYTiltCoef=197
 At rot 180 obj   TertXTiltCoef=  5, TertYTiltCoef=249
 At rot 90  obj   TertXTiltCoef=-29, TertYTiltCoef=240
 At rot 0   obj   TertXTiltCoef=-24, TertYTiltCoef=194
The 3.5m temps are not reporting again. Thin clouds on and off all night. Seeing
degraded middle of the night but improved substantially near morning.
                       ------- 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
 -----------------------------------------------------------------
 18:35 dis-slit   191(   67) 164  41   3.3  5.0  4.0  3.7  3.4     1.49
 00:24 dis-slit    12( -195) 102  30   2.8  2.9  3.2  1.5  2.8     1.59
 01:00 dis-slit   -50( -331)  48  66   2.8  2.4  2.6  1.5  2.0     2.13
                ------------- WEATHER LOG ----------------
                                   Wind                      Precip.or
     Time   Temp F Dewp F  MPH  Direction    Dust    Sky    Conditions
    -------------------------------------------------------------------
     16:00    41     5      0    63  (ENE)   1527 mstly clr    none
     17:00    40     7      1   222   (SW)   1462 mstly clr    none
     18:00    38    -6      2   311   (NW)   1160 mstly clr    none
     19:00    37    -6      7   359    (N)   1489 mstly clr    none
     20:00    37    -6      1   209  (SSW)   1911 mstly clr    none
     21:00    37    -6      0   342  (NNW)   2011 mstly clr    none
     22:00    37    -6      5   127   (SE)   1931 mstly clr    none
     23:00                  6   156  (SSE)   2201 mstly clr    none
     00:00                  1   163  (SSE)   2177 mstly clr    none
     01:00                 10   126   (SE)   2327 mstly clr    none
     02:00                  4   192  (SSW)   2225 mstly clr    none
     03:00                 10   211  (SSW)   2254 mstly clr    none
     04:00                  5   185    (S)   2193 mstly clr    none
     05:00                  6   194  (SSW)   2142 mstly clr    none
     06:00                  6   194  (SSW)   1916 mstly clr    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