Subject: 3.5m Night Log 20190505
From: mcmillan@apo.nmsu.edu
Date: Mon,  6 May 2019 12:09:48 +0000 (UTC)
                      Apache Point Observatory
                      3.5m Telescope Night Log
                      Sunday, May 05, 2019
                                                           ACTUAL
 ASTRONOMER      OBSERVER(S)            INSTRUMENT     START  FINISH
--------------------------------------------------------------------
Z.Ivezic          P.Yoachim             ARCTIC         20:05   01:08
J.Keller          J.Keller              ARCTIC         01:10   05:50
   INST       SCHEDULED     WEATH     EQUIP      OBS     NOT USED
 I/ROW/DN   START  FINISH   D    B    D    B    D    B    D    B
 ----------------------------------------------------------------
UW01/R     19:57   01:10    0    0    0    0   4.4  0.9   0    0
CU04/R     01:10   06:03    0    0    0    0   4.9  0.0   0    0
note: scheduled times listed include instrument change time
              ------------- ACTIVITY LOG --------------
Observing Specialist: R.McMillan
A peaceful night, mostly clear during second half and high clouds during second half.  The first half observer did many filter moves with wheel 6 (a possible suspect in previous problems), and all the moves worked well.
                    ------- 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
--------------------------------------------------------------------------
 20:28 arctic   521( 1335)  56  57  12.6 14.9 15.0 14.4 13.2 SDSS_i  0.98
              ------------- WEATHER LOG ----------------
                                   Wind                      Precip.or
     Time   Temp F Dewp F  MPH  Direction    Dust    Sky    Conditions
    ------------------------------------------------------------------
     16:00    61    17     12   263    (W)    650    clear     none
     17:00    62    17     18   263    (W)    562    clear     none
     18:00    62    18     15   263    (W)    599    clear     none
     19:00    60    15     16   266    (W)    539 mstly clr    none
     20:00    56    11     15   270    (W)    602 mstly clr    none
     21:00    55    10     14   264    (W)    670    clear     none
     22:00    54    10     11   260    (W)    628    clear     none
     23:00    54    10      9   265    (W)    581 mstly clr    none
     00:00    53    10      9   276    (W)    598  ptly cldy   none
     01:00    53    10     10   302  (WNW)    561  ptly cldy   none
     02:00    54    11      7   263    (W)    591  ptly cldy   none
     03:00    52    10      7   251  (WSW)    651  ptly cldy   none
     04:00    52    10      7   195  (SSW)    586  ptly cldy   none
     05:00    52    12     13   268    (W)    600  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