Date: Mon, 10 Jun 2013 12:09:17 -0000 (UTC)
Subject: 3.5m Night Log 20130609
From: mcmillan@apo.nmsu.edu
                      Apache Point Observatory
                      3.5m Telescope Night Log
                      Sunday, June 09, 2013
                                                           ACTUAL
 ASTRONOMER      OBSERVER(S)            INSTRUMENT     START  FINISH
--------------------------------------------------------------------
Z.Tsvetanov       Z.Tsvetanov           Tspec,ECH      20:30   01:05
S.Johnson         S.Johnson             DIS            01:15   05:50
   INST       SCHEDULED     WEATH     EQUIP      OBS     NOT USED
 I/ROW/DN   START  FINISH   D    B    D    B    D    B    D    B
 ----------------------------------------------------------------
JH04/R     20:20   01:10    0    0    0    0   4.1  0.8   0    0
DD04/R     01:10   05:46    0    0   0.3   0   4.3  0.0   0    0
note: scheduled times listed include instrument change time
              ------------- ACTIVITY LOG --------------
Observing Specialist: R.McMillan
Weather was better than expected, despite a storm in the afternoon and
east winds all night long.  Skies were mostly clear first half and clear
second half, with moderate seeing.
We had two azimuth motion errors at 10:03 UT and 10:15 UT while tracking
in the southeastern sky, on the same target.  After the second one, I
checked the drive surfaces and found some moth guts, which I cleaned off.
The interrupted exposures were weak but probably usable, so the only time
counted off is from cleaning and re-acquiring.
The primary would like to be CO2-cleaned, since dust was high Saturday
night and somebody turned off the switch for the press fans.
                    ------- FAILURE LOG -------
PROG   INST   FAILURE MODE     TIME
    (SEDFNVOG)   TI/SHU    START  FINISH  DESCRIPTION
----------------------------------------------------------------------
DD04    D         T/H      04:15  04:30   Az error - moth guts?
            ---------------- FOCUS LOG ---------------
Time  Instrument  Focus     Az  El  Temp Strc Prim  Sec  Air  filt  FWHM
--------------------------------------------------------------------------
 19:31 TSPEC   554(  995) -44  68  17.1 18.4 18.4 18.2 17.0   Ks  1.09
 20:35 ECHELLE   477( -389) -15  53  16.5 17.1 17.4 16.9 16.3   ND1  1.45
 00:25 dis-slit   372(  496) -76  44  17.6 15.7 16.3 15.8 16.8   -  1.39
               ------------- WEATHER LOG ----------------
                                   Wind                      Precip.or
     Time   Temp F Dewp F  MPH  Direction    Dust    Sky    Conditions
    ------------------------------------------------------------------
     16:00    63    49      5    93    (E)   2514  ptly cldy   none
     17:00    65    47      6   110  (ESE)   2630  ptly cldy   none
     18:00    67    45      8    86    (E)   2432  ptly cldy   none
     19:00    65    48      7   110  (ESE)   2045 mstly clr    none
     20:00    64    47     12    85    (E)   2123 mstly clr    none
     21:00    62    46     13    89    (E)   2359 mstly clr    none
     22:00    62    44     11    91    (E)   2502 mstly clr    none
     23:00    62    43     11    89    (E)   2030    clear     none
     00:00    60    43     17   123  (ESE)   1723    clear     none
     01:00    61    42     10   116  (ESE)   1647    clear     none
     02:00    68    36      1   197  (SSW)   1341    clear     none
     03:00    65    37      6   255  (WSW)   1548    clear     none
     04:00    65    40      6   189    (S)   1912    clear     none
     05:00    63    41      4   186    (S)   1776    clear     none
     06:00    62    41      6   194  (SSW)   1664    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: 2.15.0
    Current TUI version: 2.0.0