Subject: 3.5m Night Log 20180517
From: trudyk@apo.nmsu.edu
Date: Fri, 18 May 2018 12:03:40 +0000 (UTC)
                      Apache Point Observatory
                      3.5m Telescope Night Log
                      Thursday, May 17, 2018
                                                           ACTUAL
 ASTRONOMER      OBSERVER(S)            INSTRUMENT     START  FINISH
--------------------------------------------------------------------
N.Chanover        T.Rudyk               Eyepiece       20:00   21:00
T.Marriage        M.Hilton              NICFPS         21:15   01:04
J.Wisniewski      G.Stefansson          ARCTIC         01:16   05:45
   INST       SCHEDULED     WEATH     EQUIP      OBS     NOT USED
 I/ROW/DN   START  FINISH   D    B    D    B    D    B    D    B
 ----------------------------------------------------------------
DD01/O/D   20:00   21:00    0    0    0    0   0.0  1.0   0    0
JH04/R     20:06   01:10    0    0    0    0   2.6  1.5   0    0
OU03/R     01:10   05:54    0    0    0    0   4.7  0.0   0    0
note: scheduled times listed include instrument change time
              ------------- ACTIVITY LOG --------------
Observing Specialist: T.Rudyk
Evening started clear with some wind, but the wind died down an hour after sunset.  We had a drop-in program of visual obsering for the Sloan Foundation representatives, which lasted about an hour.
A calm clear night with decent seeing.
                    ------- 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
--------------------------------------------------------------------------
 21:29 NICFPS     562( 1600) -117  65  16.3 16.4 17.1 16.3 16.1   Ks  0.83
 01:22 arctic   537( 1123) 151  37  14.2 14.1 14.8 13.9 14.0   Semrock5  1.34
              ------------- WEATHER LOG ----------------
                                   Wind                      Precip.or
     Time   Temp F Dewp F  MPH  Direction    Dust    Sky    Conditions
    ------------------------------------------------------------------
     16:00    70    25     25   225   (SW)   1478    clear     none
     17:00    72    27     21   235   (SW)   1982    clear     none
     18:00    67    22     16   248  (WSW)   1298    clear     none
     19:00    66    21     16   276    (W)   1173    clear     none
     20:00    62    17     18   251  (WSW)   1346    clear     none
     21:00    61    17     16   265    (W)   1692    clear     none
     22:00    61    17     12   269    (W)   1481    clear     none
     23:00    61    17     11   255  (WSW)   1451    clear     none
     00:00    58    13      9   267    (W)   1219    clear     none
     01:00    58    14     11   294  (WNW)   1444    clear     none
     02:00    57    11     11   283  (WNW)   1776    clear     none
     03:00    56    11     14   295  (WNW)   1684    clear     none
     04:00    55    10     13   279    (W)   1549    clear     none
     05:00    53     8     14   272    (W)   1397    clear     none
     06:00    52     8      8   268    (W)   1415    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: 1.2.4
    Current TUI version: 2.6.0