Subject: 3.5m Night Log 20241230
From: tsutherland@apo.nmsu.edu
Date: Tue, 31 Dec 2024 13:40:39 +0000 (UTC)
                      Apache Point Observatory
                      3.5m Telescope Night Log
                      Monday, December 30, 2024
PROG  PI ASTRONOMER      OBSERVER(S)
--------------------------------------------------------------------
UW06  C.Chandler        M.Frissell
NM04  M.Croom           M.Croom
                         ON-SKY
PROG  INSTRUMENT     START   FINISH
--------------------------------------------------------------------
UW06  ARCTIC         17:16   12:00
NM04  KOSMOS         00:15   06:57
   PROG       SCHEDULED      WEATH     EQUIP     OBS     NOT USED
 I/ROW/DTN  START  FINISH   D    B    D    B    D    B    D    B
-----------------------------------------------------------------
UW06/R      17:16  00:10    0    0    0    0   6.9  0.0   0    0
NM04/R      00:10  06:57    0    0    0    0   6.8  0.0   0    0
note: scheduled times listed include instrument change time
              ------------- ACTIVITY LOG --------------
Observing Specialist: T.Sutherland,R.McMillan
Opened at 17:22 since cals were just finishing up at the start time.
Closed the dome for cals (and twilight) at 06:20.
It was a clear night with 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
--------------------------------------------------------------------------
 17:51 arctic   288( 1006)  12  57   5.8  6.7  6.9  6.4  5.9   CUVR  0.82
 00:33 khigh   388(  915) -40  23   5.8  4.2  5.0  4.3  5.1   --  1.16
               ------------- WEATHER LOG ----------------
                                   Wind                      Precip.or
     Time   Temp F Dewp F  MPH  Direction    Dust    Sky    Conditions
    ------------------------------------------------------------------
     16:00    45     1     17   281    (W)    304    clear     none
     17:00    44    -1     15   281    (W)    252    clear     none
     18:00    43     5     16   265    (W)   1211    clear     none
     19:00    42     5     12   260    (W)   2481    clear     none
     20:00    41     6     15   266    (W)   2849    clear     none
     21:00    41     4     11   298  (WNW)   1773    clear     dust
     22:00    38     3      7   337  (NNW)   1108    clear     none
     23:00    42     3     11   318   (NW)    649    clear     none
     00:00    43    -4     12   285  (WNW)    351    clear     none
     01:00    42    -5      8   287  (WNW)    326    clear     none
     02:00    43    -5      9   255  (WSW)    348    clear     none
     03:00    42    -5      8   227   (SW)    340    clear     none
     04:00    41    -5      7   193  (SSW)    288    clear     none
     05:00    39    -4      6   226   (SW)    367    clear     none
     06:00    38    -1      9   184    (S)    379    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: 1.4.2
Current HUB version: v20171231_01
Current TUI version: 3.1.5