Subject: 3.5m Night Log 20231227
From: ajt@apo.nmsu.edu
Date: Thu, 28 Dec 2023 14:28:09 +0000 (UTC)
                      Apache Point Observatory
                      3.5m Telescope Night Log
                      Wednesday, December 27, 2023
PROG  PI ASTRONOMER      OBSERVER(S)
--------------------------------------------------------------------
FG01  D.Buzasi          D.Buzasi
BY03  B.Boizelle        B.Boizelle,J.Davidson
NM11  A.Smith           A.Smith,B.Roberson
                         ON-SKY
PROG  INSTRUMENT     START   FINISH
--------------------------------------------------------------------
FG01  ECHELLE        17:21   11:57
BY03  TSPEC          00:01   02:09
NM11  ECHELLE        02:17   06:50
   PROG       SCHEDULED      WEATH     EQUIP     OBS     NOT USED
 I/ROW/DTN  START  FINISH   D    B    D    B    D    B    D    B
-----------------------------------------------------------------
FG01/R      17:13  00:10    0    0    0    0   0.4  6.6   0    0
BY03/R      00:10  02:10    0    0    0    0   0.0  2.0   0    0
NM11/R      02:10  06:56    0    0    0    0   0.0  4.8   0    0
note: scheduled times listed include instrument change time
              ------------- ACTIVITY LOG --------------
Observing Specialist: A.Townsend
We had a few clouds during B-half that didn't slow us down much, otherwise a nice clear night with good seeing. Second echelle seeing measurement at high airmass.
No telescope or instrument problems.
                    ------- 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
--------------------------------------------------------------------------
 17:26 ecamera    312( -329)  98  22  -2.5  0.5 -0.1  0.5 -0.8   ND3  1.39
 20:35 ecamera    256( -504) 106  18  -2.4 -2.0 -2.6 -3.3 -3.0   ND1  3.10
 00:06 tcamera    377(  736) -30  53  -3.8 -4.2 -3.5 -4.1 -3.8   Ks  1.02
 02:22 ecamera    387( -503) -48  44  -3.6 -4.3 -3.6 -4.0 -3.8   ND3  1.23
               ------------- WEATHER LOG ----------------
                                   Wind                      Precip.or
     Time   Temp F Dewp F  MPH  Direction    Dust    Sky    Conditions
    ------------------------------------------------------------------
     16:00    33     9      8   303  (WNW)    151    clear     none
     17:00    28     8      1   299  (WNW)    149    clear     none
     18:00    28     6      9   293  (WNW)    142    clear     none
     19:00    28     7     11   316   (NW)     96    clear     none
     20:00    27     7     13   304   (NW)    137    clear     none
     21:00    28     7      3    54   (NE)    109    clear     none
     22:00    26     7      7   357    (N)    105    clear     none
     23:00    26     6      8    35   (NE)    134    clear     none
     00:00    26     6     12   356    (N)    142    clear     none
     01:00    25     6     11    21  (NNE)    143 mstly clr    none
     02:00    26     6     14    21  (NNE)    160 mstly clr    none
     03:00    28    -1     17    57  (ENE)    114 mstly clr    none
     04:00    31     3     13    47   (NE)     71 mstly clr    none
     05:00    29    -4      3   223   (SW)     81 mstly clr    none
     06:00    29    -7      6   219   (SW)     58 mstly clr    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: 1.4.2
Current HUB version: v20171231_01
Current TUI version: 3.1.3