Subject: 3.5m Night Log 20241009
From: ajt@apo.nmsu.edu
Date: Thu, 10 Oct 2024 11:47:23 +0000 (UTC)
                      Apache Point Observatory
                      3.5m Telescope Night Log
                      Wednesday, October 09, 2024
PROG  PI ASTRONOMER      OBSERVER(S)
--------------------------------------------------------------------
NM03  T.McQuaid         T.McQuaid
CU02  Y.Notsu           Y.Notsu
                         ON-SKY
PROG  INSTRUMENT     START   FINISH
--------------------------------------------------------------------
NM03  ECHELLE        20:16   01:00
CU02  ARCTIC         01:06   05:17
   PROG       SCHEDULED      WEATH     EQUIP     OBS     NOT USED
 I/ROW/DTN  START  FINISH   D    B    D    B    D    B    D    B
-----------------------------------------------------------------
NM03/R      18:45  01:10    0   1.5   0    0   1.9  3.0   0    0
CU02/R      01:10  06:56   1.6   0    0    0   4.2  0.0   0    0
note: scheduled times listed include instrument change time
              ------------- ACTIVITY LOG --------------
Observing Specialist: A.Townsend
Stayed closed at sunset due to nearby virga and radar returns. We got on sky a little after 20:00.
We gave up for the night a little after 05:00 due to increasingly opaque clouds.
I restarted the arcsat-user computer in the middle of the night because ACP was having trouble talking to the camera and telescope, and trying to restart software/reconnect things popped up socket/IP errors.
                    ------- 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
--------------------------------------------------------------------------
 20:22 ecamera    423(  445) -11  56  14.5 15.3 15.0 15.3 14.7   Clear  0.94
 01:17 arctic   272( 1251) -123  57  13.3 12.3 13.0 12.1 12.4   ARCTIC_4170  0.96
               ------------- WEATHER LOG ----------------
                                   Wind                      Precip.or
     Time   Temp F Dewp F  MPH  Direction    Dust    Sky    Conditions
    ------------------------------------------------------------------
     16:00    59    32      2   170    (S)   1014  ptly cldy   none
     17:00    62    32      1   210  (SSW)    902  ptly cldy   none
     18:00    61    28      4   238  (WSW)   1021  ptly cldy   none
     19:00    57    28      2   218   (SW)   1026  ptly cldy   none
     20:00    57    28      4   188    (S)   1022 mstly clr    none
     21:00    58    29      2   165  (SSE)   1090  ptly cldy   none
     22:00    58    28      4   190    (S)    944 mstly clr    none
     23:00    56    28      9   169    (S)    984    clear     none
     00:00    57    29     13   182    (S)    941    clear     none
     01:00    56    28      7   184    (S)   1078    clear     none
     02:00    57    27      3   245  (WSW)   1294    clear     none
     03:00    56    26      6   275    (W)   1133 mstly clr    none
     04:00    56    28      7   322   (NW)   1478 mstly cldy   none
     05:00    56    29      7   336  (NNW)   1464   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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