Date: Tue, 13 Apr 2010 04:53:14 -0600 (MDT)
Subject: 3.5m Night Log 20100412
From: "Jack Dembicky"
                        Apache Point Observatory
                        3.5m Telescope Night Log
                         Monday April 12, 2010
                                                         ACTUAL
 ASTRONOMER     OBSERVER(S)             INSTRUMENT    START  FINISH
 -------------------------------------------------------------------
 C.Wu           C.Wu                    DIS           21:10   00:20
  PROG        SCHEDULED      WEATH     EQUIP      OBS     NOT USED
 I/ROW/DN   START  FINISH    D    B    D    B    D    B    D    B
 ------------------------------------------------------------------
 NM05/R     19:40  06:28    6.9  0.7   0    0   3.2   0    0    0
   note: scheduled times listed include instrument change time
                ------------- ACTIVITY LOG --------------
 Observing Specialist: J.Dembicky
 Some clouds and rain about an hour before sunset then the clouds looked like they were going to
clear out for the rest of the evening but we needed to wait for the humidity to drop.
We observed for about 3 hours, with poor seeing, and then started getting radar returns so closed
up.  About 15 mins later we had light rain again, humidity and the wind started picking up.
The remainder of the night was high/borderline humidity and wind conditions, never quite good
enough for long enough to re-open.  My observer gave up around 04:30.
                ------------- FAILURE LOG --------------
  PROG   INST   FAILURE MODE     TIME
      (STEDFNVOG)   TI/SHU    START  FINISH  DESCRIPTION
 ----------------------------------------------------------------------
               ---------------- FOCUS LOG ---------------
 Time  Instrument  Focus    Az  El  Temp Strc Prim  Sec  Air  filt FWHM
 -----------------------------------------------------------------------
 21:21 dis-slit  -225( -199)   1  54   7.5  8.5  8.4  7.5  7.6   --  2.50
 21:25 NA2gdr -1502(20497)   0  55   7.0  8.4  8.4  7.4  7.7   R+ND2  1.70
 22:02 dis-slit   149(  124)  84  60   7.1  7.5  7.8  7.0  7.2   --  2.40
 22:03 NA2gdr  -149(21850)  84  60   7.1  7.5  7.7  7.0  7.2   clear  2.20
 23:29 dis-slit   142(   49) -65  75   6.4  6.3  6.6  6.1  6.2   --  3.00
 23:31 NA2gdr  -149(21850) -66  75   6.1  6.3  6.6  6.0  6.1   clear  2.60
                 ------------- WEATHER LOG ----------------
                                   Wind                      Precip.or
     Time   Temp F Dewp F  MPH  Direction    Dust    Sky    Conditions
    -------------------------------------------------------------------
     17:00    49    31     17   117  (ESE)    768   cloudy     rain
     18:00    45    35     20   128   (SE)    592   cloudy     rain
     19:00    43    36     17    91    (E)    601 mstly cldy  humid
     20:00    44    34     15   113  (ESE)    651 mstly cldy  humid
     21:00    44    34     17   123  (ESE)    406  ptly cldy   none
     22:00    45    33     19   123  (ESE)    386  ptly cldy   none
     23:00    43    36     18   123  (ESE)    265  ptly cldy   none
     00:00    42    36     18   121  (ESE)    268 mstly cldy lt rain
     01:00    42    37     24   145   (SE)    323  ptly cldy   none
     02:00    43    37     22   180    (S)    383  ptly cldy  humid
     03:00    43    37     26   175    (S)    609  ptly cldy  humid
     04:00    41    38     21   187    (S)    507  ptly cldy  humid
     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