From:
Subject: 3.5m Night Log 20110821
Date: Mon, 22 Aug 2011 12:53:14 +0000 (UTC)
                      Apache Point Observatory
                      3.5m Telescope Night Log
                      Sunday, August 21, 2011
                                                           ACTUAL
 ASTRONOMER      OBSERVER(S)            INSTRUMENT     START  FINISH
--------------------------------------------------------------------
J.Prieto          J.Prieto              DIS            --:--   --:--
N.Silvestri       N.Silvestri,J.Zhao    DIS            02:30   05:25
T.Murphy          R.McMillan            APOLLO         05:30   06:25
   INST       SCHEDULED     WEATH     EQUIP      OBS     NOT USED
 I/ROW/DN   START  FINISH   D    B    D    B    D    B    D    B
 ----------------------------------------------------------------
PU04/R     19:50   01:10   4.2  1.2   0    0   0.0  0.0   0    0
UW09/R     01:10   05:23    0   1.3   0    0   0.0  2.9   0    0
UW14/R     05:23   06:23    0    0    0    0   0.0  1.0   0    0
note: scheduled times listed include instrument change time
              ------------- ACTIVITY LOG --------------
Observing Specialist: R.McMillan
Rain first half, usable second half.  Everything worked well.
                    ------- 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
--------------------------------------------------------------------------
 02:42 dis-slit   188(  291)  -8  52  14.8 15.5 16.1 15.3 14.8   -  1.40
 05:28 APOLLO   350( 1064)  69  57  13.9 13.8 14.3 13.8 13.6   -  1.50
               ------------- WEATHER LOG ----------------
                                   Wind                      Precip.or
     Time   Temp F Dewp F  MPH  Direction    Dust    Sky    Conditions
    ------------------------------------------------------------------
     16:00    67    55      9   133   (SE)   1745   cloudy     rain
     17:00    65    51      1   233   (SW)   2483   cloudy   lt rain
     18:00    66    49      2   194  (SSW)   1546   cloudy     none
     19:00    65    49     10   176    (S)   1545   cloudy     none
     20:00    62    51     11    88    (E)   1606   cloudy     none
     21:00    61    49     17    77  (ENE)   1530   cloudy     rain
     22:00    54    50     19   111  (ESE)   1261   cloudy     rain
     23:00    55    49     16    97    (E)    873   cloudy   lt rain
     00:00    59    45     12    80    (E)   1166 mstly cldy   none
     01:00    60    44     11    88    (E)   1065  ptly cldy   none
     02:00    60    44     17   125   (SE)   1044  ptly cldy   none
     03:00    58    45     14   123  (ESE)   1026 mstly clr    none
     04:00    58    47     16   113  (ESE)   1016    clear     none
     05:00    58    47     13   118  (ESE)   1020    clear     none
     06:00    58    45     10   128   (SE)    954 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: 2.14.0
    Current TUI version: 1.9.1