Subject: 3.5m Night Log 20250119
From: dembicky@apo.nmsu.edu
Date: Mon, 20 Jan 2025 14:13:40 +0000 (UTC)
                      Apache Point Observatory
                      3.5m Telescope Night Log
                      Sunday, January 19, 2025
PROG  PI ASTRONOMER      OBSERVER(S)
--------------------------------------------------------------------
OU05  J.Serna           J.Serna
CU06  Y.Notsu           Y.Notsu
AP02  S.Merkowitz       R.McMillan, B.Ketzeback
                         ON-SKY
PROG  INSTRUMENT     START   FINISH
--------------------------------------------------------------------
OU05  ECHELLE        20:33   00:01
CU06  ARCTIC         00:06   05:20
AP02  APOLLO         05:20   06:50
   PROG       SCHEDULED      WEATH     EQUIP     OBS     NOT USED
 I/ROW/DTN  START  FINISH   D    B    D    B    D    B    D    B
-----------------------------------------------------------------
OU05/R      17:33  00:10   3.0   0    0    0   2.5  1.1   0    0
CU06/R      00:10  05:56    0    0    0    0   0.0  5.8   0    0
AP02/R      05:56  06:56    0    0    0    0   0.0  1.0   0    0
note: scheduled times listed include instrument change time
              ------------- ACTIVITY LOG --------------
Observing Specialist: J.Dembicky
Clouds kept us closed/off sky at the start of the night.
No telescope 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
--------------------------------------------------------------------------
 20:27 ecamera    227( -732) 161  68  -5.4 -5.4 -5.0 -5.4 -5.3   clear  2.90
 00:10 arctic   328(  492) -136  53  -4.9 -5.2 -4.7 -5.1 -5.0   4170  1.26
 00:10 NA2gdr 36245(36245) -136  52  -4.9 -5.2 -4.7 -5.1 -5.0   R  1.35
 05:34 APOLLO     350( 1148)  -2  46  -5.8 -6.2 -5.6 -6.1 -6.1   --  1.70
               ------------- WEATHER LOG ----------------
                                   Wind                      Precip.or
     Time   Temp F Dewp F  MPH  Direction    Dust    Sky    Conditions
    ------------------------------------------------------------------
     16:00    27     4     10   262    (W)    958  ptly cldy   none
     17:00    24     4     12   272    (W)    902   cloudy     none
     18:00    22     2     11   256  (WSW)   1049   cloudy     none
     19:00    22     2      8   262    (W)   1175   cloudy     none
     20:00    22     2     13   269    (W)   1296   cloudy     none
     21:00    24     2     14   259    (W)   1120 mstly cldy   none
     22:00    23     1     19   275    (W)   1114    clear     none
     23:00    24     1     18   271    (W)   1139    clear     none
     00:00    24     2     14   243  (WSW)   1073    clear     none
     01:00    23     4     16   276    (W)   1241    clear     none
     02:00    23     4     15   253  (WSW)   1184    clear     none
     03:00    22     4     18   263    (W)   1276    clear     none
     04:00    22     4     12   274    (W)   1253    clear     none
     05:00    21     4     12   287  (WNW)   1091    clear     none
     06:00    21     4     16   279    (W)   1072    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