Subject: 3.5m Night Log 20230417
From: ajt@apo.nmsu.edu
Date: Tue, 18 Apr 2023 12:15:52 +0000 (UTC)
                      Apache Point Observatory
                      3.5m Telescope Night Log
                      Monday, April 17, 2023
PROG  PI ASTRONOMER      OBSERVER(S)
--------------------------------------------------------------------
GS01  D.Crenshaw        G.Polack,M.Shea,J.Falcone
UW06  K.Suberlak        K.Suberlak
                         ON-SKY
PROG  INSTRUMENT     START   FINISH
--------------------------------------------------------------------
GS01  KOSMOS         20:14   01:05
UW06  KOSMOS         01:08   05:33
   PROG       SCHEDULED      WEATH     EQUIP     OBS     NOT USED
 I/ROW/DTN  START  FINISH   D    B    D    B    D    B    D    B
-----------------------------------------------------------------
GS01/R      19:43  01:10    0    0    0    0   5.5  0.0   0    0
UW06/R      01:10  06:22    0    0    0    0   4.5  0.7   0    0
note: scheduled times listed include instrument change time
              ------------- ACTIVITY LOG --------------
Observing Specialist: A.Townsend
A few thin clouds at the start of the night that cleared up and we had a nice quiet night with good weather. No telescope or instrument problems.
14C and 20% humidity in the evening, temperature and humidity both dropped and then humidity went up a little. We ended the night at 6C and 25% humidity.
                    ------- 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
--------------------------------------------------------------------------
 19:40 khigh   169(  717) 128  71  10.0 11.7 12.0 11.0  9.8   --  1.48
               ------------- WEATHER LOG ----------------
                                   Wind                      Precip.or
     Time   Temp F Dewp F  MPH  Direction    Dust    Sky    Conditions
    ------------------------------------------------------------------
     16:00                 17   242  (WSW)   1553 mstly clr    none
     17:00                 18   273    (W)   1502 mstly clr    none
     18:00                 13   238  (WSW)   1611 mstly clr    none
     19:00                 23   264    (W)   1315 mstly clr    none
     20:00                 13   257  (WSW)   1410    clear     none
     21:00                 12   227   (SW)   1638    clear     none
     22:00                 16   252  (WSW)   1437    clear     none
     23:00                 17   265    (W)   1320    clear     none
     00:00                 15   256  (WSW)   1158    clear     none
     01:00                 11   260    (W)   1297    clear     none
     02:00                 14   269    (W)   1377    clear     none
     03:00                 13   266    (W)   1612    clear     none
     04:00                 15   265    (W)   1712    clear     none
     05:00                 15   272    (W)   1742    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: a>