Subject: 3.5m Night Log 20190421
From: dembicky@apo.nmsu.edu
Date: Mon, 22 Apr 2019 11:52:27 +0000 (UTC)
                      Apache Point Observatory
                      3.5m Telescope Night Log
                      Sunday, April 21, 2019
                                                           ACTUAL
 ASTRONOMER      OBSERVER(S)            INSTRUMENT     START  FINISH
--------------------------------------------------------------------
H.Lewis           H.Lewis, M.Brewer     ARCTIC         19:46   01:04
H.Hwang           H.Hwang               ECHELLE        01:07   06:17
   INST       SCHEDULED     WEATH     EQUIP      OBS     NOT USED
 I/ROW/DN   START  FINISH   D    B    D    B    D    B    D    B
 ----------------------------------------------------------------
UV02/R     19:46   01:10    0    0    0    0   2.4  3.0   0    0
JH02/R     01:10   06:17    0    0    0    0   0.0  5.1   0    0
note: scheduled times listed include instrument change time
              ------------- ACTIVITY LOG --------------
Observing Specialist: J.Dembicky
Drive oscillation seen in az error on Dataq.  Details sent to engineers.
No problems other than clouds.
                    ------- 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
--------------------------------------------------------------------------
 20:24 arctic   588( 1232)  56  48  10.7 11.5 11.7 11.1 10.8   SDSS_i  1.00
 20:25 NA2gdr  6976(36976)  55  49  10.3 11.5 11.7 11.0 10.8   clear  1.50
 01:16 ecamera    621(   32)  41  60   8.5  9.0  9.6  8.8  8.6   ND2  1.10
               ------------- WEATHER LOG ----------------
                                   Wind                      Precip.or
     Time   Temp F Dewp F  MPH  Direction    Dust    Sky    Conditions
    ------------------------------------------------------------------
     16:00    55    18     16   240  (WSW)    552    clear     none
     17:00    55    17     14   264    (W)    671    clear     none
     18:00    56    17     19   267    (W)    572    clear     none
     19:00    54    18     24   264    (W)    679 mstly clr    none
     20:00    52    18     19   266    (W)    571 mstly clr    none
     21:00    51    19     16   262    (W)    699  ptly cldy   none
     22:00    51    19     15   266    (W)    674  ptly cldy   none
     23:00    52    19     19   254  (WSW)    666  ptly cldy   none
     00:00    50    20     22   257  (WSW)    906  ptly cldy   none
     01:00    48    22     15   257  (WSW)    801  ptly cldy   none
     02:00    47    24     16   269    (W)    841  ptly cldy   none
     03:00    46    24      8   266    (W)    875 mstly cldy   none
     04:00    45    21     11   265    (W)   1008   cloudy     none
     05:00    45    24     10   281    (W)   1040   cloudy     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