Subject: 3.5m Night Log 20230710
From: decolib@apo.nmsu.edu
Date: Tue, 11 Jul 2023 11:49:10 +0000 (UTC)
                      Apache Point Observatory
                      3.5m Telescope Night Log
                      Monday, July 10, 2023
PROG  PI ASTRONOMER      OBSERVER(S)
--------------------------------------------------------------------
JH02  K.Schlaufman      K.Schlaufman
NM03  A.Hedlund         A.Hedlund
                         ON-SKY
PROG  INSTRUMENT     START   FINISH
--------------------------------------------------------------------
JH02  ECHELLE        --:--   --:--
NM03  ECHELLE        01:06   05:40
   PROG       SCHEDULED      WEATH     EQUIP     OBS     NOT USED
 I/ROW/DTN  START  FINISH   D    B    D    B    D    B    D    B
-----------------------------------------------------------------
JH02/R      20:23  01:10   4.8   0    0    0   0.0  0.0   0    0
NM03/R      01:10  05:55    0    0    0    0   0.1  4.6   0    0
note: scheduled times listed include instrument change time
              ------------- ACTIVITY LOG --------------
Observing Specialist: D.DeColibus
Made a new ecam mask, since there was a noticeable offset in positioning between the slit and the masked pixels, and the last mask was made over a year and a half ago.
Clouds and rain did not permit us to open until the start of B-half. Even then, we were fighting clouds, but NM03 managed to get some data. The clouds cleared up after 04:00.
                    ------- 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
--------------------------------------------------------------------------
 00:44 ecamera    -42( -229) 129  66  17.2 18.4 20.5 18.3 17.5   ND4  1.38
 01:11 ecamera     97( -113) 148  76  17.3 18.0 19.4 17.8 17.4   Clear  1.40
 03:24 ecamera    374(  137) 216  74  18.1 17.4 18.0 17.5 17.8   ND3  1.15
               ------------- WEATHER LOG ----------------
                                   Wind                      Precip.or
     Time   Temp F Dewp F  MPH  Direction    Dust    Sky    Conditions
    ------------------------------------------------------------------
     16:00    72    47     20   180    (S)   1385   cloudy   lt rain
     17:00    71    47     19   134   (SE)   1196  ptly cldy   none
     18:00    73    43      6   203  (SSW)   1123 mstly cldy   none
     19:00    71    44      9   213  (SSW)   1175   cloudy   lt rain
     20:00    62    50     11    92    (E)   2456   cloudy     none
     21:00    64    49      9    80    (E)   1978   cloudy     none
     22:00    64    48     16   133   (SE)   1963 mstly cldy   none
     23:00    63    48     18   154  (SSE)   1065  ptly cldy   none
     00:00    64    47     16   168  (SSE)   1351  ptly cldy   none
     01:00    63    47     10   187    (S)   1492  ptly cldy   none
     02:00    62    48     20   163  (SSE)   1549 mstly cldy   none
     03:00    65    46     19   188    (S)   1163   cloudy     none
     04:00    64    46     13   196  (SSW)   1302 mstly clr    none
     05:00    62    47     14   208  (SSW)   1646    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.
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