Subject: 3.5m Night Log 20250208
From: tsutherland@apo.nmsu.edu
Date: Sun,  9 Feb 2025 13:29:13 +0000 (UTC)
                      Apache Point Observatory
                      3.5m Telescope Night Log
                      Saturday, February 08, 2025
PROG  PI ASTRONOMER      OBSERVER(S)
--------------------------------------------------------------------
CU04  K.McGouldrick     K.McGouldrick
OU01  G.Jewett          A.Moss
CU02  Z.Berta-Thompson  Z.Berta-Thompson
                         ON-SKY
PROG  INSTRUMENT     START   FINISH
--------------------------------------------------------------------
CU04  TripleSpec     17:51   19:40
OU01  ARCTIC         19:54   00:04
CU02  KOSMOS         00:16   06:07
   PROG       SCHEDULED      WEATH     EQUIP     OBS     NOT USED
 I/ROW/DTN  START  FINISH   D    B    D    B    D    B    D    B
-----------------------------------------------------------------
CU04/R      17:51  19:51    0    0    0    0   0.0  2.0   0    0
OU01/R      19:51  00:10    0    0    0    0   0.0  4.3   0    0
CU02/R      00:10  06:43    0    0    0    0   1.6  5.0   0    0
note: scheduled times listed include instrument change time
              ------------- ACTIVITY LOG --------------
Observing Specialist: T.Sutherland,R.McMillan
Sky was pretty clear all night, with good seeing.
No telescope or instrument problems. It was a nice and quiet night!
                    ------- 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
--------------------------------------------------------------------------
 18:12 tcamera    595( 1628) -74  42   9.1  9.9 10.3  9.8  9.0   --  1.21
 20:01 arctic   401( 1197) 142  78   9.2  8.6  9.3  8.8  8.6   BG40  0.80
 00:26 kosmos   361( 1059)  67  51   9.1  8.3  8.9  8.4  8.8   --  0.69
               ------------- WEATHER LOG ----------------
                                   Wind                      Precip.or
     Time   Temp F Dewp F  MPH  Direction    Dust    Sky    Conditions
    ------------------------------------------------------------------
     16:00    53     3     18   262    (W)   1294    clear     none
     17:00    51     2     20   262    (W)   1249    clear     none
     18:00    48     6     16   259    (W)   1156    clear     none
     19:00    48     7     18   253  (WSW)   1395    clear     none
     20:00    49     9     22   265    (W)   1468    clear     none
     21:00    48     8     24   250  (WSW)   1340 mstly clr    none
     22:00    49     7     20   265    (W)   1434 mstly clr    none
     23:00    48     6     18   267    (W)   1268    clear     none
     00:00    49     6     19   266    (W)   1244    clear     none
     01:00    47     7     16   258  (WSW)   1290    clear     none
     02:00    47     8     11   258  (WSW)   1274 mstly clr    none
     03:00    47     9     12   253  (WSW)   1187 mstly clr    none
     04:00    47     8     15   264    (W)   1145 mstly clr    none
     05:00    47     7     18   247  (WSW)   1293 mstly clr    none
     06:00    46     6     17   264    (W)   1255 mstly clr    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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