Subject: 3.5m Night Log 20231126
From: mcmillan@apo.nmsu.edu
Date: Mon, 27 Nov 2023 12:12:07 +0000 (UTC)
                      Apache Point Observatory
                      3.5m Telescope Night Log
                      Sunday, November 26, 2023
PROG  PI ASTRONOMER      OBSERVER(S)
--------------------------------------------------------------------
NM11  A.Smith           A.Smith,E.Nielsen
UW02  P.Yoachim         J.Hiang
BY03  B.Boizelle        B.Boizelle
CU04  Y.Notsu           Y.Notsu
                         ON-SKY
PROG  INSTRUMENT     START   FINISH
--------------------------------------------------------------------
NM11  ECHELLE        17:25   20:50
UW02  KOSMOS         --:--   --:--
BY03  TripleSpec     --:--   --:--
CU04  ARCTIC         --:--   --:--
   PROG       SCHEDULED      WEATH     EQUIP     OBS     NOT USED
 I/ROW/DTN  START  FINISH   D    B    D    B    D    B    D    B
-----------------------------------------------------------------
NM11/R      17:06  22:30    0   2.0   0    0   0.0  3.4   0    0
UW02/R      22:30  00:10    0   1.7   0    0   0.0  0.0   0    0
BY03/R      00:10  02:10    0   2.0   0    0   0.0  0.0   0    0
CU04/R      02:10  06:35    0   4.4   0    0   0.0  0.0   0    0
note: scheduled times listed include instrument change time
              ------------- ACTIVITY LOG --------------
Observing Specialist: R.McMillan
Low clouds and borderline humidity at the start of the night, high humidity later on.  We got a few decent hours but never had a chance to re-open after that.
                    ------- 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
--------------------------------------------------------------------------
 17:31 ecamera    627(  -25) 233  55  -1.6  0.9 -0.2  1.7 -0.4   ND2  1.40
               ------------- WEATHER LOG ----------------
                                   Wind                      Precip.or
     Time   Temp F Dewp F  MPH  Direction    Dust    Sky    Conditions
    ------------------------------------------------------------------
     16:00    31    24      5   260    (W)    809 mstly cldy   none
     17:00    28    24      3   198  (SSW)         ptly cldy   none
     18:00    30    24      9   270    (W)    777  ptly cldy   none
     19:00    30    24     10   268    (W)    782 mstly clr    none
     20:00    29    24      9   262    (W)    825    clear     none
     21:00    29    26     11   228   (SW)           clear    humid
     22:00    31    28     14   242  (WSW)        mstly clr   humid
     23:00    30    26     12   213  (SSW)        mstly clr   humid
     00:00    30    27     10   218   (SW)           clear    humid
     01:00    30    26     10   201  (SSW)           clear    humid
     02:00    30    28     12   225   (SW)           clear    humid
     03:00    30    28     11   214   (SW)        mstly clr   humid
     04:00    30    29     12   215   (SW)         ptly cldy  humid
     05:00    31    29      8   221   (SW)         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.
              ----------  TELESCOPE SOFTWARE  ----------
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Current HUB version: v20171231_01
Current TUI version: 3.1.3