Subject: 3.5m Night Log 20250416
From: tsutherland@apo.nmsu.edu
Date: Thu, 17 Apr 2025 11:59:12 +0000 (UTC)
                      Apache Point Observatory
                      3.5m Telescope Night Log
                      Wednesday, April 16, 2025
PROG  PI ASTRONOMER      OBSERVER(S)
--------------------------------------------------------------------
OU03  G.Jewett          G.Jewett
JH03  N.Oliveros-Gomez  N.Oliveros-Gomez
                         ON-SKY
PROG  INSTRUMENT     START   FINISH
--------------------------------------------------------------------
OU03  ARCTIC         23:45   01:04
JH03  NICFPS         01:16   05:20
   PROG       SCHEDULED      WEATH     EQUIP     OBS     NOT USED
 I/ROW/DTN  START  FINISH   D    B    D    B    D    B    D    B
-----------------------------------------------------------------
OU03/R      19:43  01:10   3.6  0.4   0    0    0   1.4   0    0
JH03/R      01:10  06:22    0   1.0   0    0    0   4.2   0    0
note: scheduled times listed include instrument change time
              ------------- ACTIVITY LOG --------------
Observing Specialist: T.Sutherland
Dust at the beginning of the night kept us closed for a while.
JH03 gave up at 5:20am due to clouds.
No telescope or instrument problems tonight.
                    ------- 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
--------------------------------------------------------------------------
 23:56 arctic   331( 1340)  30  55  11.3 12.9 14.2 12.6 11.9   BG40  1.14
 01:24 NICFPS     297( 1615) 173  63  11.2 11.0 12.0 10.9 10.8   MK-J  0.90
     ------------- WEATHER LOG ----------------
                                   Wind                      Precip.or
     Time   Temp F Dewp F  MPH  Direction    Dust    Sky    Conditions
    ------------------------------------------------------------------
     16:00    61    21     20   257  (WSW)   1851    clear     none
     17:00    65    17     20   251  (WSW)   1604    clear     none
     18:00    63    17     19   264    (W)   2714    clear     none
     19:00    61    18     18   254  (WSW)   5783    clear     dust
     20:00    58    14     29   256  (WSW)   6842    clear     dust
     21:00    57     8     24   268    (W)  13279    clear     dust
     22:00    55     7     17   257  (WSW)  11551    clear     dust
     23:00    53     2     23   246  (WSW)   5620    clear     dust
     00:00    52     2     18   262    (W)   1975    clear     none
     01:00    53     7     20   259    (W)   1011    clear     none
     02:00    52     9     21   255  (WSW)    707    clear     none
     03:00    52    11     20   247  (WSW)    553    clear     none
     04:00    50    15     21   267    (W)    575 mstly clr    none
     05:00    50    17     21   247  (WSW)    453 mstly cldy   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: 3.1.8