Date: Wed, 7 Apr 2010 12:13:37 -0000 (UTC)
Subject: 3.5m Night Log 20100406
From: "Gabrelle Saurage"
                       Apache Point Observatory
                       3.5m Telescope Night Log
                       Tuesday, April 6, 2010
                                                          ACTUAL
 ASTRONOMER      OBSERVER(S)         INSTRUMENT        START  FINISH
--------------------------------------------------------------------
 W.Ketzeback     G.Saurage           Echelle           19:30  20:34
 A.Kowalski      A.Kowalski          DIS               20:38  01:11
 C.Churchill     C.Churchill         DIS               01:12  06:30
   INST       SCHEDULED     WEATH     EQUIP      OBS     NOT USED
 I/ROW/DN   START  FINISH   D    B    D    B    D    B    D    B
 --------------------------------------------------------------------
 NM08/O     19:35  20:35    0    0    0    0   1.0   0    0    0
 UW01/R     20:35  01:10    0    0    0    0   4.6   0    0    0
 NM04/R     01:10  06:35    0    0    0    0   1.7  3.7   0    0
note: scheduled times listed include instrument change time
              ------------- ACTIVITY LOG --------------
 Observing Specialist: G.Saurage
Counter weights move much smoother tonight. Cables leading from cryotiger
disconnected and placed up on intermediate level.
Clear skies all night. High-ish winds and moderate dust first half. Cold front
coming through around midnight. Seeing blowing up (>3") second half. Wind past
limits in twilight.
                    ------- 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
--------------------------------------------------------------------------
 19:56 ECHELLE   159( -583) 239  55   4.6  7.1  6.3  5.8  5.8   ND3  2.27
 20:46 dis-slit  306(  163) 123  65   4.0  5.2  4.9  4.0  4.3        1.83
 01:24 dis-slit  119( -290)  91  51  -1.5 -0.5 -0.5 -1.5 -1.2        2.27
             ------------- WEATHER LOG ----------------
                                   Wind                      Precip.or
     Time   Temp F Dewp F  MPH  Direction    Dust    Sky    Conditions
    ------------------------------------------------------------------
     16:00    47    15     27   266    (W)   1796    clear     none
     17:00    49    16     26   241  (WSW)   2844    clear     dust
     18:00    48    15     27   255  (WSW)   2145    clear     none
     19:00    44    15     20   265    (W)   2074    clear     none
     20:00    40    15     14   266    (W)   2572    clear     none
     21:00    39    14     13   248  (WSW)   1643    clear     none
     22:00    37    12     11   262    (W)   7455    clear     dust
     23:00    35     0     13   355    (N)   1679    clear     none
     00:00    32     0     13    10    (N)   1447    clear     none
     01:00    30     0     19   355    (N)   1590    clear     none
     02:00    28    -2     20    21  (NNE)   1936    clear     none
     03:00    28     2     23     5    (N)   1475    clear     none
     04:00    28     1     21    13  (NNE)   1712    clear     none
     05:00    24     0     22    20  (NNE)   1468    clear     none
     06:00    23    -1     24    22  (NNE)   1338    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: 1.7.1