Subject: 3.5m Night Log 20200913
From: trudyk@apo.nmsu.edu
Date: Mon, 14 Sep 2020 11:40:11 +0000 (UTC)
                      Apache Point Observatory
                      3.5m Telescope Night Log
                      Sunday, September 13, 2020
PROG  PI ASTRONOMER      OBSERVER(S)
--------------------------------------------------------------------
CU08  J.Bally           J.Bally
UV02  T.Thuan           Y.Izotov
AP01  T.Murphy          R.McMillan
                         ACTUAL
PROG  INSTRUMENT     START   FINISH
--------------------------------------------------------------------
CU08  ECHELLE        19:20   21:15
CU08  NICFPS         21:15   01:03
UV02  DIS            01:15   01:45
AP01  APOLLO         --:--   --:--
   PROG       SCHEDULED      WEATH     EQUIP     OBS     NOT USED
 I/ROW/DTN  START  FINISH   D    B    D    B    D    B    D    B
-----------------------------------------------------------------
CU08/R      19:20  01:10    0    0    0    0   5.8  0.0   0    0
UV02/R      01:10  05:38    1.7  2.3  0    0   0.5  0.0   0    0
AP01/R      05:38  06:38    0    1.0  0    0   0.0  0.0   0    0
note: scheduled times listed include instrument change time
              ------------- ACTIVITY LOG --------------
Observing Specialist: T.Rudyk
Evening started with thick haze, hard to tell if it was clouds or smoke or both. With the IR camera, smoke was not that big of an issue, but clouds were. Clouds thickened around 00:00. Around 01:45 humidty rapidly rose and exceeded safe levels, so we closed. We did not open again tonight.
                    ------- FAILURE LOG -------
              FAILURE MODE     TIME
PROG   INSTR     TI/SHU    START  FINISH  DESCRIPTION
----------------------------------------------------------------------
            ---------------- FOCUS LOG ---------------
Time  Instrument  Focus     Az  El  Temp Strc Prim  Sec  Air  filt  FWHM
--------------------------------------------------------------------------
 19:34 ecamera    354( -174)  94  53  10.3 13.1 13.6 13.3 10.8   ND3  1.16
 20:07 ecamera    547(  -60) 112  59  10.4 11.5 12.1 11.0 10.6   clear  1.59
 21:36 NICFPS     400( 1310) 138  83   9.8  9.9 10.7  9.9  9.8   H2-2.12  1.45
 23:20 NICFPS     317( 1196) 249  72   9.3  9.2  9.9  9.2  9.2   H2-2.12  1.13
 01:22 dcamera    579(  769) 270  64   9.2  9.0  9.6  9.1  9.2   -  1.57
           ------------- WEATHER LOG ----------------
                                   Wind                      Precip.or
     Time   Temp F Dewp F  MPH  Direction    Dust    Sky    Conditions
    ------------------------------------------------------------------
     16:00    57    31      2   192  (SSW)    668  ptly cldy   none
     17:00    57    32      2    58  (ENE)    706  ptly cldy   none
     18:00    54    31     13    85    (E)    754  ptly cldy   none
     19:00    52    32     17    81    (E)    737  ptly cldy   none
     20:00    51    31     16    77  (ENE)    722  ptly cldy   none
     21:00    50    31     17    89    (E)    810 mstly clr    none
     22:00    50    31     19    74  (ENE)    797 mstly clr    none
     23:00    49    31     18    74  (ENE)    823 mstly clr    none
     00:00    49    31     15    74  (ENE)    879  ptly cldy   none
     01:00    49    30     10    83    (E)    806  ptly cldy   none
     02:00    48    31     23    71  (ENE)         ptly cldy  humid
     03:00    48    31     16    86    (E)         ptly cldy  humid
     04:00    48    31     18    82    (E)         ptly cldy  humid
     05:00    48    31     13    70  (ENE)         ptly 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.
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