Date: Mon, 18 Apr 2011 06:29:06 -0600 (MDT)
Subject: 3.5m Night Log 20110417
From: jwhueh@apo.nmsu.edu
                       Apache Point Observatory
                       3.5m Telescope Night Log
                       Sunday, April 17, 2011
                                                        ACTUAL
 ASTRONOMER      OBSERVER(S)            INSTRUMENT     START  FINISH
--------------------------------------------------------------------
J.Holtzman        J.Wisniewski          Echelle        19:25   20:30
M.Strauss         X.Liu                 Triplespec     20:38   23:05
                                                       01:50   06:25
   INST       SCHEDULED     WEATH     EQUIP      OBS     NOT USED
 I/ROW/DN   START  FINISH   D    B    D    B    D    B    D    B
--------------------------------------------------------------------
NM06/R     19:43   20:43    0    0    0    0   0.0  1.0   0    0
PU06/R     20:43   06:22    0   2.7   0    0   0.0  6.9   0    0
note: scheduled times listed include instrument change time
              ------------- ACTIVITY LOG --------------
Observing Specialist:    J.Huehnerhoff
At 2300MT a dust storm started to pass over the site, closed telescope
till it passed.
Good seeing the entire night.
                    ------- 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
--------------------------------------------------------------------------
 19:45 ECHELLE   368( -646) 127  50  13.1 14.7 13.5 13.4 13.5   ND1  0.80
 20:48 TSPEC   256(  377) -33  74  12.2 12.7 12.6 12.0 12.3   --  0.71
 01:55 TSPEC   262(  268) -178  63   9.8 10.3 11.2 10.0 10.0   --  1.04
               ------------- WEATHER LOG ----------------
                                   Wind                      Precip.or
     Time   Temp F Dewp F  MPH  Direction    Dust    Sky    Conditions
    ------------------------------------------------------------------
     16:00    64    19     21   265    (W)   1589 mstly clr    none
     17:00    61    18     25   264    (W)   1941 mstly clr    none
     18:00    61    18     24   256  (WSW)   1446 mstly clr    none
     19:00    58    16     23   257  (WSW)   1387 mstly clr    none
     20:00    54    13     18   261    (W)   2256 mstly clr    none
     21:00    53    15     16   269    (W)   2490 mstly clr    none
     22:00    53    17     18   254  (WSW)   3260    clear     dust
     23:00    52    17     21   292  (WNW)   7175 mstly clr    dust
     00:00    52    16     13   273    (W)  47349    clear     dust
     01:00    51    18     24   300  (WNW)  12978    clear     dust
     02:00    50    16     14   321   (NW)   6050    clear     none
     03:00    48    17     15   299  (WNW)   2959    clear     none
     04:00    48    18     15   287  (WNW)   2938    clear     none
     05:00    47    18     15   293  (WNW)   2884    clear     none
     06:00    47    18     17   295  (WNW)   3193    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: 2.14.0
    Current TUI version: 1.8.7