Subject: 3.5m Night Log 20090331
Date: Wed,  1 Apr 2009 12:51:40 +0000 (UTC)
From: bketzeba@apo.nmsu.edu
                        Apache Point Observatory
                        3.5m Telescope Night Log
                        Tuesday, March 31, 2009
                                                         ACTUAL
 ASTRONOMER      OBSERVER(S)              INSTRUMENT   START  FINISH
 -------------------------------------------------------------------
 C.Froning       C.Froning,J.Khargharia,  NICFPS       19:35  01:05
                 L.Winter
 A.Sheffield     A.Sheffield,T.David      Echelle      01:20  06:55
   INST     SCHED(TWILIGHT) WEATH     EQUIP      OBS     DAY  NOT USED
 I/ROW/DN   START  FINISH   D    B    D    B    D    B   USE   D    B
 ----------------------------------------------------------------------
 CU10/R     20:17  01:10    0    0    0    0    0   4.9   0    0    0
 UV06/O     01:10  05:57    0    0    0    0   4.6  0.2   0    0    0
  note: scheduled times listed include instrument change time
                ------------- ACTIVITY LOG --------------
 Observing Specialist: B.Ketzeback
 Az Vel Scale
 Was 580 measured 573.5 changed to 574
 Alt Vel Scale
 Was -606 measured -603.8 n/c
 NA2 Tert Tilts
 TertXTiltCoef was -105 measured change -57 changed to -161
 TertYTiltCoef was  980 measured change  73 changed to 1053
 NA1 Tert Tilts
 TertXTiltCoef was 1025 measured  13 n/c
 TertYTiltCoef was  800 measured  52 changed to 850
 Photometric skies with great seeing at the start of the night
 with slowly deteriorating skies and seeing as the night
 progressed.
 No other problems tonight.
                       ------- 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
 --------------------------------------------------------------------------
 19:58 NICFPS  -200(  232)  27  76   2.7  4.7  4.0  3.8  3.0   Ks   0.57
 20:06 NA2gdr -3458(39541)  20  77   2.7  4.3  3.9  3.5  2.9 R+nd2  0.75
 01:23 ECHELLE -137(-1128) 199  81   2.8  2.3  2.6  2.0  2.4   ---  1.37
                ------------- WEATHER LOG ----------------
                                   Wind                      Precip.or
     Time   Temp F Dewp F  MPH  Direction    Dust    Sky    Conditions
    -------------------------------------------------------------------
     16:00    41     0     11   278    (W)    791    clear     none
     17:00    40    -1      7   268    (W)    755    clear     none
     18:00    43     0     12   266    (W)    752    clear     none
     19:00    38    -3     13   216   (SW)    729    clear     none
     20:00    37    -1     20   201  (SSW)    984    clear     none
     21:00    37     2     24   206  (SSW)   2156    clear     none
     22:00    37     1     13   236   (SW)   2140    clear     none
     23:00    38     3     18   237  (WSW)   2186    clear     none
     00:00    38     5      8   255  (WSW)   2184  ptly cldy   none
     01:00    38     4     13   234   (SW)   2323 mstly cldy   none
     02:00    37     5     10   248  (WSW)   2377  ptly cldy   none
     03:00    36     4     11   235   (SW)   2512 mstly cldy   none
     04:00    35     4     20   236   (SW)   2571 mstly cldy   none
     05:00    36     4     21   219   (SW)   2501 mstly cldy   none
     06:00    34     2     11   208  (SSW)   2681   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: 2.10.0
      Current TUI version: TUI 1.5.1