Date: Wed, 21 Apr 2004 07:23:44 -0600 (MDT)
From: Jack Dembicky
Subject: 3.5m Night Log 20040420
                          Apache Point Observatory
                          3.5m Telescope Night Log
                          Tuesday, April 20, 2004
                                                            ACTUAL
 ASTRONOMER      OBSERVER(S)            INSTRUMENT     START FINISH
 --------------------------------------------------------------------
 P.Yoachim       P.Yoachim              DIS            18:30  01:00
 R.Kron          L.Grodnicki            DIS            01:00  07:10
  INST        SCHEDULED      WEATH     EQUIP     OBS     DAY  NOT USED
 I/RO/DN     START FINISH   D    B    D    B    D    B   USE   D    B
 ---------------------------------------------------------------------
 UW03/R      20:34  01:00   0    0    0    0   4.0  0.4   0    0    0
 CU01/R      01:00  05:30   0    0    0    0   4.5   0    0    0    0
  note: scheduled times listed include instrument change time
                 ------------- ACTIVITY LOG --------------
 Observing Specialist: J.Dembicky
 We opened around 19:40.  Seeing was 1.0-1.5 arc sec thru the night, I
 adjusted the focus on the fly using the guider.
 No problems otherwise.
                          ------- 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
 ---------------------------------------------------------------------
 20:07  DISslit     150(1279) 112  60    6.9/7.6   292  14  none  1.27
 20:11  NA2gdr   -4292(42707) 113  61    6.9/7.6   289  20    R   1.23
 01:12  DISslit      25(1062) 137  53    5.1/4.8   334   8  none  1.13
 01:18  NA2gdr   -1900(45099) 139  53    5.0/4.8   333  10    R   1.10
                ------------- WEATHER LOG ----------------
                                  Wind                       Precip.or
     Time   Temp F Dewp F  MPH  Direction    Dust    Sky    Conditions
     ------------------------------------------------------------------
     16:01    46    13      8   298  (WNW)   1805   Cloudy    none
     17:01    49    14     16   292  (WNW)   1664   Cloudy    none
     18:01    46    12     11   291  (WNW)   1480   Cloudy    none
     19:01    46    12     13   292  (WNW)   1491  Mst. Cldy  none
     20:01    45    11     16   288  (WNW)   1423   Mst. Clr  none
     21:01    44    11     13   271  (W)     1517    Clear    none
     22:01    43    11     14   265  (W)     1604    Clear    none
     23:01    42    12      1   308  (NW)    1280   Mst. Clr  none
     00:01    42     4     16   347  (NNW)   1185   Mst. Clr  none
     01:01    41     2     12   321  (NW)    1206   Mst. Clr  none
     02:01    41     5     20   349  (NNW)   1128    Clear    none
     03:01    40     4     12     6  (N)     1183    Clear    none
     04:01    39     6     10   330  (NNW)   1083    Clear    none
     05:01    39     5      9   350  (N)     1067    Clear    none
     06:01    39     6      8   353  (N)     1033    Clear    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-0.842