Date: Thu, 20 May 2004 05:38:21 -0600 (MDT)
From: Jack Dembicky
Subject: 3.5m Night Log 20040519
                        Apache Point Observatory
                        3.5m Telescope Night Log
                        Wednesday, May 19, 2004
                                                          ACTUAL
 ASTRONOMER      OBSERVER(S)            INSTRUMENT     START FINISH
 --------------------------------------------------------------------
 A.Klypin        J.Holtzman             DIS            02:15  05:00
  INST        SCHEDULED      WEATH     EQUIP     OBS     DAY  NOT USED
 I/RO/DN     START FINISH   D    B    D    B    D    B   USE   D    B
 ---------------------------------------------------------------------
 NM06/R      20:59  05:00  5.2   0    0    0   2.8   0     0    0    0
  note: scheduled times listed include instrument change time
                 ------------- ACTIVITY LOG --------------
 Observing Specialist: J.Dembicky
 Clouds to start the night with the rain sensor going off around 21:50.
 The clouds finally made their departure around 02:00 and I opened up and
 focused the telescope then.
 Some cirrus clouds moved in around 3AM but not enough to close us.  I
 tweaked the focus during the night with seeing around 1.5 arc sec and
 improving the last part of the night to around 1.2 (off the guider).
                          ------- FAILURE LOG -------
  PROG   INST   FAILURE MODE     TIME
       (SEGDFVO)    TI/SHU   START  FINISH  DESCRIPTION
 -----------------------------------------------------------------------
                 ---------------- FOCUS LOG ---------------
                                         Air/Truss   Wind
 Time   Instrument   Focus     Az  El    Temp-C    Dir MPH  filt  FWHM
 ---------------------------------------------------------------------
 2:17   DISSlit     -250(1145) 68  61    11.9/14.0 125  11  none  1.6
 2:19   NA2Guider -1322(45667) 68  61    11.9/14.0 133  11    R   1.7
                ------------- WEATHER LOG ----------------
                                  Wind                       Precip.or
     Time   Temp F Dewp F  MPH  Direction    Dust    Sky    Conditions
     ------------------------------------------------------------------
     18:01    71    35     11   180  (S)      676   Cloudy     none
     19:01    65    35      8   179  (S)      750   Cloudy     none
     20:01    63    33     16   156  (SSE)    692   Cloudy     none
     21:01    61    35      8   116  (ESE)    897   Cloudy    Lt. Rain
     22:01    59    35     12   127  (SE)     730   Cloudy    Lt. Rain
     23:01    55    36     21   120  (ESE)    565   Cloudy     none
     00:01    53    37     29   125  (SE)     793   Cloudy     none
     01:01    53    36     15   116  (ESE)    917   Cloudy     none
     02:01    52    35     13   133  (SE)    1719   Pt. Cldy   none
     03:01    55    33     10   167  (SSE)   2091   Pt. Cldy   none
     04:01    57    35     13   180  (S)     4172    Cirrus    none
     05:01    55    35     13   172  (S)     3740    Cirrus    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 Remark version: 2.85b
     Current guide software version: guider v4.1b4
     Current TCC version: 2.7.2  Current TUI version: TUI-0.843