Subject: 3.5m Night Log 20171017
From: trudyk@apo.nmsu.edu
Date: Wed, 18 Oct 2017 13:14:04 +0000 (UTC)
                      Apache Point Observatory
                      3.5m Telescope Night Log
                      Tuesday, October 17, 2017
                                                           ACTUAL
 ASTRONOMER      OBSERVER(S)            INSTRUMENT     START  FINISH
--------------------------------------------------------------------
J.Wisniewski  G.Stefansson,S.Mahadevan  Arctic         18:36   01:04
J.Findlay         J.Findlay             DIS            01:14   07:00
   INST       SCHEDULED     WEATH     EQUIP      OBS     NOT USED
 I/ROW/DN   START  FINISH   D    B    D    B    D    B    D    B
 ----------------------------------------------------------------
OU03/R     18:36   01:10    0    0    0    0   6.6  0.0   0    0
WY03/R     01:10   07:01    0    0    0    0   4.8  1.1   0    0
note: scheduled times listed include instrument change time
              ------------- ACTIVITY LOG --------------
Observing Specialist: T.Rudyk
Evening started mostly clear with increasing cloud cover toward sunset. Clouds  started to thin after sunset. Passing thin clouds continued to wash over us through and past midnight.  Skies stayed mostly clear to partly cloudy, but with worsening seeing through twilight.
                    ------- 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
--------------------------------------------------------------------------
 18:54 arctic   464( 1015)  49  47  10.5 13.6 12.6 13.4 11.1   SDSS_r  0.98
 01:21 dcamera    329(  585) -31  54  11.3 10.8 11.5 10.8 11.3   -  1.78
               ------------- WEATHER LOG ----------------
                                   Wind                      Precip.or
     Time   Temp F Dewp F  MPH  Direction    Dust    Sky    Conditions
    ------------------------------------------------------------------
     16:00    59    36      9   277    (W)    431 mstly clr    none
     17:00    57    33      3   267    (W)    480  ptly cldy   none
     18:00    52    32      1   236   (SW)    476  ptly cldy   none
     19:00    52    25      6   333  (NNW)    452 mstly clr    none
     20:00    52    19      4   271    (W)    480 mstly clr    none
     21:00    51    28      6   228   (SW)    479 mstly clr    none
     22:00    51    32      2   244  (WSW)    783 mstly clr    none
     23:00    53    26      5   256  (WSW)    534 mstly clr    none
     00:00    53    22      6   251  (WSW)    533 mstly clr    none
     01:00    53    15      4   258  (WSW)    406 mstly clr    none
     02:00    51    32      3   252  (WSW)    533 mstly clr    none
     03:00    53    27      9   273    (W)    404 mstly clr    none
     04:00    52    32     12   289  (WNW)    484 mstly clr    none
     05:00    51    32      8   265    (W)    506  ptly cldy   none
     06:00    50    32      7   264    (W)    517  ptly cldy   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: 1.2.4
    Current TUI version: 2.6.0