Subject: 3.5m Night Log 20230902
From: ajt@apo.nmsu.edu
Date: Sun,  3 Sep 2023 12:35:25 +0000 (UTC)
                      Apache Point Observatory
                      3.5m Telescope Night Log
                      Saturday, September 02, 2023
PROG  PI ASTRONOMER      OBSERVER(S)
--------------------------------------------------------------------
CU05  Z.Berta-Thompson  Z.Berta-Thompson
CU02  A.Kowalski        J.Libby-Roberts
                         ON-SKY
PROG  INSTRUMENT     START   FINISH
--------------------------------------------------------------------
CU05  KOSMOS         19:48   00:58
CU02  ARCTIC         01:12   05:50
   PROG       SCHEDULED      WEATH     EQUIP     OBS     NOT USED
 I/ROW/DTN  START  FINISH   D    B    D    B    D    B    D    B
-----------------------------------------------------------------
CU05/R      19:35  01:10    0    0    0    0   1.7  3.9   0    0
CU02/R      01:10  06:31    0    0    0    0   0.0  5.3   0    0
note: scheduled times listed include instrument change time
              ------------- ACTIVITY LOG --------------
Observing Specialist: A.Townsend
Clear most of the night with variable seeing.
Outside Optidew is reading incorrectly which means our dust counters are not reporting.
1-micron dust counts by handheld counter:
19:20 446
01:05 594
06:20 488
                    ------- 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
--------------------------------------------------------------------------
 20:01 kosmos   455( 1735) 151  65  17.3 19.8 19.3 19.5 18.7   --  1.35
 01:22 arctic   307( 1386) 300  70  14.8 14.6 15.2 14.3 14.6   SDSS_i  0.88
               ------------- WEATHER LOG ----------------
                                   Wind                      Precip.or
     Time   Temp F Dewp F  MPH  Direction    Dust    Sky    Conditions
    ------------------------------------------------------------------
     16:00    76    39     12   216   (SW)        mstly clr    none
     17:00    73    37     11   235   (SW)        mstly clr    none
     18:00    70    36     11   225   (SW)           clear     none
     19:00    67    37     11   192  (SSW)           clear     none
     20:00    63    35      9   156  (SSE)           clear     none
     21:00    62    35      8   124   (SE)           clear     none
     22:00    62    35     11   126   (SE)           clear     none
     23:00    60    35     18   126   (SE)           clear     none
     00:00    59    33      9   119  (ESE)           clear     none
     01:00    58    33      9   127   (SE)           clear     none
     02:00    60    33      7   150  (SSE)           clear     none
     03:00    62    34      5   248  (WSW)           clear     none
     04:00    62    33      5   189    (S)           clear     none
     05:00    60    32      1   199  (SSW)           clear     none
     06:00    59    32      2   243  (WSW)           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: 3.1.3beta0