Date: Sun, 28 Mar 2010 12:59:34 -0000 (UTC)
Subject: 3.5m Night Log 20100327
From: jwhueh@apo.nmsu.edu
                       Apache Point Observatory
                       3.5m Telescope Night Log
                       Saturday, March 27, 2010
                                                       ACTUAL
ASTRONOMER      OBSERVER(S)            INSTRUMENT     START  FINISH
--------------------------------------------------------------------
W. Ketzeback    J. Huehnerhoff         ECHELLE        --:--    --:--
D. York         D. York                DIS            20:25    01:08
A. McKay        A. McKay               ECHELLE        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    19:28   20:28    0   1.0   0    0    0    0    0    0
UC07/R    20:28   01:10    0    0    0    0    0   4.7   0    0
NM04/R    01:10   06:48    0    0    0    0   1.0  4.6   0    0
note: scheduled times listed include instrument change time
              ------------- ACTIVITY LOG --------------
Observing Specialist:    J. Huehnerhoff
Snow during the mid afternoon but none that stuck.  Checked roof before
opening and it was clear.
At sunset nasty clouds started appearing from the east.  After about an
hour the clouds had either all passed or were to our east and moving
south.  After clouds passed the rest of the night was photometric but with
poor seeing.
                    ------- 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
--------------------------------------------------------------------------
 20:34 dis-slit    30( -364) 288  45  -3.1 -0.4 -1.6 -1.1 -1.5   clear  1.98
 22:25 dis-slit   129( -410) 189  64  -3.3 -2.9 -2.8 -3.6 -3.2   clear  1.62
 01:17 ECHELLE    -6(-1273) 164  62  -3.0 -3.4 -3.0 -3.5 -3.1   clear  1.98
               ------------- WEATHER LOG ----------------
                                   Wind                      Precip.or
     Time   Temp F Dewp F  MPH  Direction    Dust    Sky    Conditions
    ------------------------------------------------------------------
     16:00    31    16      9   340  (NNW)    538 mstly cldy   none
     17:00    32    13      1   242  (WSW)    497 mstly cldy   none
     18:00    32    12     17   331  (NNW)    454 mstly cldy   none
     19:00    30    11      6    11    (N)    516 mstly cldy   none
     20:00    28    15     11    63  (ENE)    508 mstly clr    none
     21:00    26    16     16    77  (ENE)    567    clear     none
     22:00    27    12     13    56   (NE)    546    clear     none
     23:00    26    17     20    66  (ENE)    542    clear     none
     00:00    26    17     17    74  (ENE)    586    clear     none
     01:00    27    15     18    63  (ENE)    696    clear     none
     02:00    28    10     16    30  (NNE)    863    clear     none
     03:00    28     9     11     7    (N)    851    clear     none
     04:00    27     9      6    11    (N)    786    clear     none
     05:00    27    11      2   335  (NNW)    851    clear     none
     06:00    27    11      1   346  (NNW)    958    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