Subject: 3.5m Night Log 20250106
From: dembicky@apo.nmsu.edu
Date: Tue,  7 Jan 2025 13:30:09 +0000 (UTC)
                      Apache Point Observatory
                      3.5m Telescope Night Log
                      Monday, January 06, 2025
PROG  PI ASTRONOMER      OBSERVER(S)
--------------------------------------------------------------------
NM05  W.Roberson        E.Nielsen, A.Peck
UW06  C.Orion           C.Orion
                         ON-SKY
PROG  INSTRUMENT     START   FINISH
--------------------------------------------------------------------
NM05  ECHELLE        19:00   00:00
UW06  ARCTIC         00:05   06:16
   PROG       SCHEDULED      WEATH     EQUIP     OBS     NOT USED
 I/ROW/DTN  START  FINISH   D    B    D    B    D    B    D    B
-----------------------------------------------------------------
NM05/R      17:21  00:10    0   1.7  0    0   0.0  5.1   0    0
UW06/R      00:10  06:58    0    0   0    0   6.3  0.5   0    0
note: scheduled times listed include instrument change time
              ------------- ACTIVITY LOG --------------
Observing Specialist: J.Dembicky
No problems other than clouds keeping us closed at the start of the night and their return around 03:30, but we observed through them with ARCTIC.
                    ------- 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
--------------------------------------------------------------------------
 19:13 ecamera    209( -506) -38  51  -1.2 -0.5 -0.2 -0.6 -1.2   ND4  0.82
 00:12 arctic   270(  619) -141  59  -0.9 -1.1 -1.0 -1.6 -1.5   CUVR  0.84
 00:13 NA2gdr 36677(36677) -141  59  -0.8 -1.1 -1.0 -1.6 -1.5   clear  1.16
               ------------- WEATHER LOG ----------------
                                   Wind                      Precip.or
     Time   Temp F Dewp F  MPH  Direction    Dust    Sky    Conditions
    ------------------------------------------------------------------
     16:00    32     1      6   195  (SSW)    307   cloudy     none
     17:00    31     2      5   199  (SSW)    475   cloudy     none
     18:00    31     3      8   209  (SSW)    610 mstly cldy   none
     19:00    30     3      7   186    (S)    720 mstly clr    none
     20:00    30     2     10   184    (S)    758    clear     none
     21:00    30     4     11   210  (SSW)    884    clear     none
     22:00    31     4      8   209  (SSW)    823    clear     none
     23:00    31     7     10   190    (S)    881    clear     none
     00:00    30     7     12   190    (S)    964    clear     none
     01:00    31     7     14   183    (S)   1043 mstly clr    none
     02:00    30     9     15   190    (S)   1175  ptly cldy   none
     03:00    31     7     17   197  (SSW)   1197  ptly cldy   none
     04:00    33     8     20   197  (SSW)   1155  ptly cldy   none
     05:00    32     9     14   194  (SSW)   1250 mstly cldy   none
     06:00    32     9     19   202  (SSW)   1356   cloudy     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.
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