From:
Subject: 3.5m Night Log 20100313
Date: Sun, 14 Mar 2010 13:01:05 +0000 (UTC)
                       Apache Point Observatory
                       3.5m Telescope Night Log
                       Friday, March 13, 2010
                                                          ACTUAL
 ASTRONOMER      OBSERVER(S)         INSTRUMENT        START  FINISH
 -------------------------------------------------------------------
 S.Gezari        S.Gezari            DIS               18:30  00:10
 R.Reyes         R.Reyes             DIS               00:10  06:45
   INST       SCHEDULED     WEATH     EQUIP      OBS     NOT USED
 I/ROW/DN   START  FINISH   D    B    D    B    D    B    D    B
 --------------------------------------------------------------------
 JH04/R     18:18  00:10    0    0    0    0   5.9   0    0    0
 PU02/R     00:10  07:06    0    0    0    0   5.1  0.8   0    0
 note: scheduled times listed include instrument change time
              ------------- ACTIVITY LOG --------------
 Observing Specialist: R.McMillan
 We had clear skies and moderate seeing first half, thin clouds and
 variable seeing second half.  Some images with the DIS slitviewer
 looked quite comatic, but the NA2 guider was seeing much less coma
 so the aberration is probably associated with instrument rather than
 telescope.  I will check DIS slitviewer and spectrograph focus
 tomorrow.
 There was one motion error, which occurred while tracking (or
 possibly while making a small centering offset) at UT 01:58:10 .
                    ------- 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
 -------------------------------------------------------------------------
 18:53 dis-slit   288(  220)  65  37   4.0  6.0  5.0  4.3  4.8     1.60
             ------------- WEATHER LOG ----------------
                                   Wind                      Precip.or
     Time   Temp F Dewp F  MPH  Direction    Dust    Sky    Conditions
    ------------------------------------------------------------------
     16:00    46     9     11   252  (WSW)   1687    clear     none
     17:00    45     9     22   273    (W)   1597    clear     none
     18:00    41     7     22   218   (SW)   1714    clear     none
     19:00    38     6     17   213  (SSW)   1510    clear     none
     20:00    39     7     18   223   (SW)   1592    clear     none
     21:00    40     6     11   262    (W)    989    clear     none
     22:00    39     7     11   264    (W)    976    clear     none
     23:00    41     8     18   267    (W)   1171    clear     none
     00:00    41     8     16   263    (W)   1040  ptly cldy   none
     01:00    39     9     15   249  (WSW)   1014 mstly clr    none
     03:00    38    11     16   249  (WSW)    879 mstly clr    none
     04:00    37    13     19   238  (WSW)    814 mstly clr    none
     05:00    36    16     21   254  (WSW)    683 mstly clr    none
     06:00    34    18     14   254  (WSW)    613 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: 2.11.1
    Current TUI version: 1.7.0