Date: Tue, 6 Apr 2010 12:16:29 -0000 (UTC)
Subject: 3.5m Night Log 20100406
From: "Gabrelle Saurage"
                       Apache Point Observatory
                       3.5m Telescope Night Log
                       Monday, April 5, 2010
                                                          ACTUAL
 ASTRONOMER      OBSERVER(S)         INSTRUMENT        START  FINISH
--------------------------------------------------------------------
 L.Winter        L.Winter            DIS               23:05  01:09
 D.York          D.York              NICFPS            01:20  06:15
   INST       SCHEDULED     WEATH     EQUIP      OBS     NOT USED
 I/ROW/DN   START  FINISH   D    B    D    B    D    B    D    B
 --------------------------------------------------------------------
 CU04/R    19:35  01:10    3.6   0    0    0   2.0   0    0    0
 UC07/R    01:10  06:36     0    0    0    0   0.8  4.4  0.2   0
note: scheduled times listed include instrument change time
              ------------- ACTIVITY LOG --------------
 Observing Specialist: G.Saurage
Mostly clear skies all night. High winds at the start of the night kept us closed
for a while. Dust running high all night.
DIS slitviewer computer switched out during the day. Worked fine.
                    ------- 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
--------------------------------------------------------------------------
23:19 dis-slit   256(  319) 106  63   8.2  9.3  8.9  8.4  8.3     1.90
             ------------- WEATHER LOG ----------------
                                   Wind                      Precip.or
     Time   Temp F Dewp F  MPH  Direction    Dust    Sky    Conditions
    ------------------------------------------------------------------
     16:00    57    18     24   224   (SW)   1603    clear     none
     17:00    57    17     21   258  (WSW)   1561    clear     none
     18:00    57    17     30   217   (SW)   1597    clear     none
     19:00    53    12     25   255  (WSW)   2614    clear     none
     20:00    50    12     29   253  (WSW)   2018    clear     none
     21:00    48    14     33   251  (WSW)   2281    clear     none
     22:00    48    16     30   256  (WSW)   1801    clear     none
     23:00    47    18     22   223   (SW)   1676    clear     none
     00:00    47    18     28   233   (SW)   1762    clear     none
     01:00    45    17     22   253  (WSW)   3047    clear     dust
     02:00    44    17     22   236   (SW)   2881    clear     dust
     03:00    42    17     16   249  (WSW)   3054    clear     dust
     04:00    41    16     11   264    (W)   2957    clear     dust
     05:00    42    10     17   227   (SW)   2566    clear     none
     06:00    40     9     16   264    (W)   2354    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 TCC version: 2.11.1
    Current TUI version: 1.7.0