Date: Fri, 15 Jun 2007 04:53:51 -0600
From: James Davenport
Subject: 3.5m Night Log 20070614
                         Apache Point Observatory
                         3.5m Telescope Night Log
                         Thursday, June 14, 2007
                                                           ACTUAL
  ASTRONOMER      OBSERVER(S)            INSTRUMENT     START  FINISH
 --------------------------------------------------------------------
 D. Bowen	D. Bowen		DIS		20:40  00:52
 K. Kinemuchi	K. Kinemuchi		DIS		01:10  03:00
   INST     SCHED(TWILIGHT)   WEATH     EQUIP     OBS     DAY  NOT USED
  I/ROW/DN    START FINISH   D    B    D    B    D    B   USE   D    B
 ---------------------------------------------------------------------
 PU06/R     21:16   01:00    0    0    0    0   3.7   0    0    0    0
 UW15/R     01:00   04:51    1.8  0    0    0   2.1   0    0    0    0
   note: scheduled times listed include instrument change time
                ------------- ACTIVITY LOG --------------
 Observing Specialist: J.Dembicky, J. Davenport
 Training Jim Davenport
 Alt Velocity Scale: -632.1266
 Was: -637.7
 Changed To:-633.0
 Outside Temp: 16.7C
 Inside Temp:  15.9C
 Az Velocity Scale: 567.9877
 Was: 583.0
 Changed To: 570.0
 Outside Temp: 16.7C
 Inside Temp:  15.9C
 Stars elongated along Altitude direction (exposure 3sec)
 DIS guider locked up once.
 DIS Red temperature varied between -94 and -95 C
 Additional Azimuth Sweep at end of night:
   Outside Temp: 16.1
   Inside Temp: 16.0
   Az Velocity Scale: 587
   Was: 570
   Changed To: 580
 Clouds closed us down at 0300, never reopened. No problems otherwise.
                       ------- 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
 ----------------------------------------------------------------------
 20:45 DISslit   189(635)  43   73  15.9 18.8 15.6  17.0 16.1  -   1.2
 01:11 DISslit	 -28(378) -81   74  16.6 15.9 15.2  15.9 16.0  -   1.0
               ------------- WEATHER LOG ----------------
                                   Wind                      Precip.or
     Time   Temp F Dewp F  MPH  Direction    Dust    Sky    Conditions
    ------------------------------------------------------------------
     16:00    68    32     11   262    (W)    385  ptly cldy   none
     17:00    65    27     20   319   (NW)    405  ptly cldy   none
     18:00    64    29      9   332  (NNW)    362  ptly cldy   none
     19:00    64    30      7     1    (N)    402  ptly cldy   none
     20:00    62    31      2   273    (W)    388  ptly cldy   none
     21:00    61    30      5   344  (NNW)    367  ptly cldy   none
     22:00    59    29      4   353    (N)    414  ptly cldy   none
     23:00    60    28      7   328  (NNW)    414  ptly cldy   none
     00:00    62    28      5   261    (W)    420  ptly cldy   none
     01:00    62    29      5   244  (WSW)    360  ptly cldy   none
     02:00    62    29      8   193  (SSW)    451  ptly cldy   none
     03:00    61    28      8   194  (SSW)    532   cloudy     none
     04:00    61    24     10   183    (S)    581   cloudy     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: 2.9.0
      Current TUI version: TUI 1.3