Subject: 3.5m Night Log 20190510
From: mcmillan@apo.nmsu.edu
Date: Sat, 11 May 2019 11:01:37 +0000 (UTC)
                      Apache Point Observatory
                      3.5m Telescope Night Log
                      Friday, May 10, 2019
                                                           ACTUAL
 ASTRONOMER      OBSERVER(S)            INSTRUMENT     START  FINISH
--------------------------------------------------------------------
T.Murphy          R.McMillan            APOLLO         --:--   --:--
Z.Ivezic          P.Yoachim             ARCTIC         --:--   --:--
C.Sakari          C.Sakari              ECHELLE        --:--   --:--
B.Bolin           B.Bolin               ARCTIC         --:--   --:--
   INST       SCHEDULED     WEATH     EQUIP      OBS     NOT USED
 I/ROW/DN   START  FINISH   D    B    D    B    D    B    D    B
 ----------------------------------------------------------------
AP01/R     20:00   21:00    0   1.0   0    0   0.0  0.0   0    0
UW01/R     21:00   23:00    0   2.0   0    0   0.0  0.0   0    0
UW06/R     23:00   01:10    0   2.2   0    0   0.0  0.0   0    0
UW04/R     01:10   05:59   4.4  0.5   0    0   0.0  0.0   0    0
note: scheduled times listed include instrument change time
              ------------- ACTIVITY LOG --------------
Observing Specialist: R.McMillan
We had high humidity, clouds, and/or rain all night long.  The main dewpoint sensor was frozen so we mostly relied on other humidity data, sometimes including presence of fog.
                    ------- 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
--------------------------------------------------------------------------
               ------------- WEATHER LOG ----------------
                                   Wind                      Precip.or
     Time   Temp F Dewp F  MPH  Direction    Dust    Sky    Conditions
    ------------------------------------------------------------------
     16:00    42    32     13   221   (SW)         ptly cldy  humid
     17:00    43    31      9   220   (SW)         ptly cldy  humid
     18:00    46    31      8   211  (SSW)   1439   cloudy     fog
     19:00    40    31      9   285  (WNW)          cloudy     fog
     20:00    37    32      4   322   (NW)          cloudy     fog
     21:00    36    32      9   357    (N)          cloudy     fog
     22:00    36    32     18   289  (WNW)          cloudy     fog
     23:00    38    31      7   277    (W)          cloudy    humid
     00:00    36    31      3   233   (SW)          cloudy    humid
     01:00    35    32      2   285  (WNW)         ptly cldy  humid
     02:00    35    32     13   280    (W)        mstly cldy  humid
     03:00    36    32      8   266    (W)        mstly cldy lt rain
     04:00    36    31      6   262    (W)        mstly 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: 1.2.4
    Current TUI version: 2.6.0