Subject: 3.5m Night Log 20200916
From: trudyk@apo.nmsu.edu
Date: Thu, 17 Sep 2020 13:06:40 +0000 (UTC)
                      Apache Point Observatory
                      3.5m Telescope Night Log
                      Wednesday, September 16, 2020
PROG  PI ASTRONOMER      OBSERVER(S)
--------------------------------------------------------------------
JH03  Q.Wang            Q.Wang
NM04  C.Churchill       M.Croon,B.Stemock
                         ACTUAL
PROG  INSTRUMENT     START   FINISH
--------------------------------------------------------------------
JH03  DIS            19:16   01:08
NM04  DIS            01:08   06:20
   PROG       SCHEDULED      WEATH     EQUIP     OBS     NOT USED
 I/ROW/DTN  START  FINISH   D    B    D    B    D    B    D    B
-----------------------------------------------------------------
JH03/R      19:16  01:10    0    0    0    0   5.9  0.0   0    0
NM04/R      01:10  06:40    0    0    0    0   5.5  0.0   0    0
note: scheduled times listed include instrument change time
              ------------- ACTIVITY LOG --------------
Observing Specialist: T.Rudyk
Evening started with clearing skies. We were able to open right at sunset. Winds were somewhat high with fair to poor seeing. Seeing really declined after 21:00 as the winds shifted east. We were open all night.
                    ------- 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
--------------------------------------------------------------------------
 19:37 dcamera    688( 1156)  11  57  13.2 14.8 14.7 14.6 13.6   -  1.43
 20:41 dcamera    578(  978) -151  55  12.4 13.3 13.6 12.9 12.6   -  2.05
         ------------- WEATHER LOG ----------------
                                   Wind                      Precip.or
     Time   Temp F Dewp F  MPH  Direction    Dust    Sky    Conditions
    ------------------------------------------------------------------
     16:00    58    32      3   320   (NW)    709  ptly cldy lt rain
     17:00    59    31      8   340  (NNW)    657 mstly clr    none
     18:00    61    21      5    68  (ENE)    898    clear     none
     19:00    58    19     16    65  (ENE)    990    clear     none
     20:00    55    27     25    74  (ENE)    566    clear     none
     21:00    54    28     16    81    (E)    442    clear     none
     22:00    51    31     23    77  (ENE)    964    clear     none
     23:00    53    31     26    76  (ENE)    781    clear     none
     00:00    53    30     21    67  (ENE)    771    clear     none
     01:00    51    26     19    78  (ENE)    851    clear     none
     02:00    51    31     13    82    (E)    950    clear     none
     03:00    50    31     21    73  (ENE)    926    clear     none
     04:00    50    31     13    78  (ENE)    960    clear     none
     05:00    47    24      9    70  (ENE)   1111    clear     none
     06:00    47    30     14    80    (E)    911    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 SOFTWARE  ----------
Current TCC version: 1.2.4
Current HUB version: v20171231_01
Current TUI version: 2.6.0