Date: Mon, 10 Dec 2007 11:23:18 -0000 (UTC)
Subject: 3.5m Night Log 20071209
From: "Gabrelle Saurage"
                        Apache Point Observatory
                        3.5m Telescope Night Log
                       Sunday, December 9th, 2007
                                                         ACTUAL
 ASTRONOMER     OBSERVER(S)             INSTRUMENT    START  FINISH
-------------------------------------------------------------------
J.Marriner      G.Miknaitis             SPICAM        20:00  22:30
M.Moe           M.Moe                   DIS           --:--  --:--
   INST     SCHED(TWILIGHT) WEATH     EQUIP      OBS     DAY  NOT USED
 I/ROW/DN   START  FINISH   D    B    D    B    D    B   USE   D    B
---------------------------------------------------------------------
 UC01.R/R   17:55  00:05   3.7    0    0    0  2.5   0    0    0    0
 CU02/R     00:05  05:57   5.9    0    0    0   0    0    0    0    0
  note: scheduled times listed include instrument change time
                ------------- ACTIVITY LOG --------------
Observing Specialists: G.Saurage
Az Vel Scales: 588.1, 592.8; 590.5 no change
Local clouds and high humidity kept us closed for first few hours.
21:30 Secondary error messages. Secondary seemed to be stuck. Image
quality good so I let the observer continue for a while before trying to
fix.
22:30 Too cloudy to get good data. Tried to move secondary several times
but would not move. Called Russet. She tried to home secondary but
actuator D did not find limit switch.
23:45 Closed due to overcast skies and radar returns.
23:50 Called Nick he suggested homing the secondary at high altitude
(>80). This worked. We were still closed due to weather.
Rest of second half we had light snow briefly, high winds, overcast skies
and nearby radar activity.
                       ------- FAILURE LOG -------
  PROG   INST   FAILURE MODE     TIME
       (SEDFNVOG)   TI/SHU    START  FINISH  DESCRIPTION
 ----------------------------------------------------------------------
  UC01     S         T/H      22:30  00:10   Secondary act D stuck
               ---------------- FOCUS LOG ---------------
Time  Instrument  Focus    Az  El  Temp Strc Prim  Sec  Air  filt FWHM
 -----------------------------------------------------------------
                ------------- WEATHER LOG ----------------
                                   Wind                      Precip.or
     Time   Temp F Dewp F  MPH  Direction    Dust    Sky    Conditions
    -------------------------------------------------------------------
     16:00    37    25      7   185    (S)    458  ptly cldy   none
     17:00    34    28     15   148  (SSE)    612  ptly cldy  humid
     18:00    33    30     15   162  (SSE)    734   cloudy    humid
     19:00    33    27     17   169    (S)    682  ptly cldy   none
     20:00    35    22     22   180    (S)    510 mstly clr    none
     21:00    37    22     20   199  (SSW)    329 mstly clr    none
     22:00    37    25     21   187    (S)    444 mstly cldy   none
     23:00    36    27     17   169    (S)    517   cloudy     none
     00:00    37    25     28   180    (S)    439   cloudy     none
     01:00    37    27     15   167  (SSE)    449   cloudy   lt snow
     02:00    37    27     16   199  (SSW)    477   cloudy     none
     03:00    36    28     21   159  (SSE)    434   cloudy     none
     04:00    35    29     18   139   (SE)    551   cloudy     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: 2.9.1
      Current TUI version: TUI 1.4.2