Subject: 3.5m Night Log 20180519
From: trudyk@apo.nmsu.edu
Date: Sun, 20 May 2018 12:08:28 +0000 (UTC)
                      Apache Point Observatory
                      3.5m Telescope Night Log
                      Saturday, May 19, 2018
                                                           ACTUAL
 ASTRONOMER      OBSERVER(S)            INSTRUMENT     START  FINISH
--------------------------------------------------------------------
J.Keller          J.Keller              ARCTIC         20:00   01:04
C.Kobulnicky      C.Kobulnicky          DIS            01:14   05:20
   INST       SCHEDULED     WEATH     EQUIP      OBS     NOT USED
 I/ROW/DN   START  FINISH   D    B    D    B    D    B    D    B
 ----------------------------------------------------------------
CU06/R     20:07   01:10    0    0    0    0   0.6  4.4   0    0
WY03/R     01:10   05:52    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 and calm with good seeing.  After 2:30, the wind shifted to the east, and seeing became very bad. The temperature dropped and humidity began to rise. Humidty stayed just under closure limits and we stayed open until 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
--------------------------------------------------------------------------
 20:36 arctic   370( 1021)  48  66  12.6 15.6 15.7 15.2 13.2   SDSS_r  0.95
 01:20 dcamera    375(  682) -179  34  12.6 11.5 12.2 11.6 11.7   -  1.37
 03:12 dcamera    486(  646)  13  49   7.6  8.8 10.5  8.8  8.0   -  3.61
               ------------- WEATHER LOG ----------------
                                   Wind                      Precip.or
     Time   Temp F Dewp F  MPH  Direction    Dust    Sky    Conditions
    ------------------------------------------------------------------
     16:00    69    20     13   215   (SW)   1118    clear     none
     17:00    64    20     15   211  (SSW)   1130    clear     none
     18:00    63    20     17   247  (WSW)   1380    clear     none
     19:00    60    15     16   226   (SW)   1301    clear     none
     20:00    56    11     10   245  (WSW)   1015    clear     none
     21:00    55    11      8   245  (WSW)   1073    clear     none
     22:00    53     9      6   246  (WSW)   1088    clear     none
     23:00    55    11      3   192  (SSW)   1295    clear     none
     00:00    54     9      6   270    (W)   1247    clear     none
     01:00    54    11      5   269    (W)   1238    clear     none
     02:00    54     8      4   269    (W)   1302    clear     none
     03:00    46    38     19    78  (ENE)   2615    clear     none
     04:00    45    39     21    79    (E)           clear     none
     05:00    44    40     22    71  (ENE)           clear     none
     06:00    43    38     23    75  (ENE)           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