Date: Tue, 10 Sep 2002 04:29:47 -0600 (MDT)
From: John Barentine
Subject: 3.5m Night Log 20020909
                         Apache Point Observatory
                         3.5m Telescope Night Log
                         Monday, September 9, 2002
                                                           ACTUAL
 ASTRONOMER     OBSERVER(S)             INSTRUMENT     START  FINISH
 -------------------------------------------------------------------
 W.Zheng        W.Zheng,K.Chiu          GRIM           00:05   00:55
 S.Anderson     S.Anderson              DIS-low        01:07   03:25
   INST        SCHEDULED     WEATH     EQUIP     OBS     DAY  NOTUSED
 I/RO/DN     START FINISH   D    B    D    B    D    B   USE   D    B
 --------------------------------------------------------------------
 JH01/R      20:12  01:00  2.8  1.2   0    0   0.8   0    0    0    0
 UW02/R      01:00  05:50  2.5   0    0    0   2.3   0    0    0    0
 note: scheduled times listed include instrument change time
                  ------------- ACTIVITY LOG --------------
 Observing Specialist: J.Barentine
 More clouds and rain this afternoon continuing into early evening.
Finally things cleared up toward midnight and we opened a minute past.
Luckily we were very nearly in focus when we began and the first half
observers were able to begin their program quickly.  Scott ceded a few
minutes of his scheduled time to Wei and Kuenley in order for them to get
as much useful data is possible, then we did the switch to DIS.
 Clouds started rolling in within an hour and we closed just short of
03:30 when the humidity rolled over the closure limit.  Scott decided to
hang on until 04:30 when we declared the night a wash.
                        ------- FAILURE LOG -------
 PROG   INST       FAILURE      TIME
        S/E/G/D/O  TI/SHU   START  FINISH  DESCRIPTION
 -----------------------------------------------------------------------
               ---------------- FOCUS LOG ---------------
                                        Air/Truss   Wind
 Time   Instrument   Focus     Az  El    Temp-C    Dir MPH  filt  FWHM
 ---------------------------------------------------------------------
 00:20 GrIm2(f/5)  0(784)      123 61  12.2/13.1  91   4    J     0.95
 01:17 DISslit     -50(712)    266 68  12.8/12.7  82   1    -     0.72
              --------------- WEATHER LOG ----------------
                                 Wind                        Precip.or
     Time   Temp F Dewp F  MPH  Direction    Dust    Sky    Conditions
    ------------------------------------------------------------------
     16:01    56    52      7    78  (ENE)    410  MstlyCldy   lt rain
     17:01    53    51     17    67  (ENE)    259  MstlyCldy   lt rain
     18:01    53    49      6    53  (NE)     441  MstlyCldy   lt rain
     19:01    54    45      7    94  (E)      228  MstlyCldy    none
     20:01    55    45      0    28  (NNE)     75  MstlyCldy    none
     21:01    56    47      0    80  (E)      328  MstlyCldy    none
     22:01    57    48      0   243  (WSW)    380  MstlyCldy    none
     23:01    56    48      4   156  (SSE)    402  MstlyCldy    none
     00:01    54    47      1   104  (ESE)    202  MstlyClr     none
     01:01    56    46      2    37  (NE)     206  MstlyClr     none
     02:01    55    45      6    62  (ENE)    168  PtlyCldy     none
     03:01    52    48      6    80  (E)      232  MstlyCldy    none
     04:01    52    49      8    61  (ENE)    188  Overcast     rain
   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
   Primary, secondary, and tertiary mirrors in place and collimated.
   Primary support system operational. Mirror ventilation system in
   place.
   Telescope drives operational. Current Remark version: 2.82
   Current guide software version: GIm Ctrlv4.1b2
   Current TCC version: 2.6.5