Date: Mon, 12 May 2008 10:26:03 -0000 (UTC)
Subject: 3.5m Night Log 20080511
From: "Gabrelle Saurage"
                        Apache Point Observatory
                        3.5m Telescope Night Log
                        Sunday, May 11th, 2008
                                                         ACTUAL
 ASTRONOMER     OBSERVER(S)             INSTRUMENT    START  FINISH
-------------------------------------------------------------------
T.Murphy        R.McMillan              APOLLO        19:30  21:05
J.Holtzman      J.Holtzman              DIS           21:06  22:05
A.Soderberg     A.Soderberg             DIS           --:--  --:--
   INST     SCHED(TWILIGHT) WEATH     EQUIP      OBS     DAY  NOT USED
 I/ROW/DN   START  FINISH   D    B    D    B    D    B   USE   D    B
---------------------------------------------------------------------
 DD01/R     20:40  21:06    0    0    0    0    0   0.2  1.0   0    0
 NM04/R     21:06  01:05    0   3.0   0    0    0   1.0   0    0    0
 PU02/R     01:05  05:57   3.0  1.0   0    0    0    0   0.8   0    0
  note: scheduled times listed include instrument change time
                ------------- ACTIVITY LOG --------------
Observing Specialists: G.Saurage
Az Velo Scales:
   At checkout 586.0, 583.4; 585.0 (no change)
Dust levels were barely over the limit at sunset. So we opened and tried
running alternate fan/louver configuration until dust levels had risen
above tolerable levels. We closed around 22:00.
With all the dust over the weekend it would be good to have the mirrors
cleaned tomorrow.
                       ------- 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
 -----------------------------------------------------------------
19:04 APOLLO    100(1290)  -9  69  11.4 14.1 13.5  13.4 11.7     1.20
20:13 dis-slit  144( 336)  35  67  11.6 12.1 12.6  11.2 11.5     1.01
                ------------- WEATHER LOG ----------------
                                   Wind                      Precip.or
     Time   Temp F Dewp F  MPH  Direction    Dust    Sky    Conditions
    -------------------------------------------------------------------
     16:00    61    17     10   245  (WSW)   4183 mstly clr    none
     17:00    62    17     14   242  (WSW)   3929 mstly clr    none
     18:00    59    15     19   210  (SSW)   3265 mstly clr    none
     19:00    56    14     17   214   (SW)   3461 mstly clr    none
     20:00    53    13     14   195  (SSW)   3679 mstly clr    dust
     21:00    53    14      9   187    (S)   5296 mstly clr    dust
     22:00    53    15     16   196  (SSW)   6426 mstly clr    dust
     23:00    54    17     19   193  (SSW)   6969 mstly clr    dust
     00:00    53    17     20   194  (SSW)   6485 mstly clr    dust
     01:00    53    21     21   195  (SSW)   5986  ptly cldy   dust
     02:00    52    21     20   203  (SSW)   4985  ptly cldy   dust
     03:00    52    16     15   258  (WSW)   4680  ptly cldy   dust
     04:00    51    12     12   225   (SW)   4968  ptly cldy   dust
     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: 2.9.1
      Current TUI version: TUI 1.4.5