Subject: 3.5m Night Log 20230709
From: decolib@apo.nmsu.edu
Date: Mon, 10 Jul 2023 09:45:31 +0000 (UTC)
                      Apache Point Observatory
                      3.5m Telescope Night Log
                      Sunday, July 09, 2023
PROG  PI ASTRONOMER      OBSERVER(S)
--------------------------------------------------------------------
WY02  M.Moe             A.Daly,N.Patten,M.Moe
UW05  C.Suberlak        C.Suberlak
                         ON-SKY
PROG  INSTRUMENT     START   FINISH
--------------------------------------------------------------------
WY02  ECHELLE        20:23   23:35
UW05  KOSMOS         --:--   --:--
   PROG       SCHEDULED      WEATH     EQUIP     OBS     NOT USED
 I/ROW/DTN  START  FINISH   D    B    D    B    D    B    D    B
-----------------------------------------------------------------
WY02/R      20:23  01:10   1.2  0.4   0    0   3.2  0.0   0    0
UW05/R      01:10  05:54    0   4.7   0    0   0.0  0.0   0    0
note: scheduled times listed include instrument change time
              ------------- ACTIVITY LOG --------------
Observing Specialist: D.DeColibus
We had a nice thunderstorm during the afternoon. A-half was clear and uneventful until clouds started to roll in around 23:30; the clouds were accompanied by radar returns, so we closed up. This gave Russet and I lots of time to work on the tertiary rotation. We didn't end up with any concrete answers, but we left the tertiary pointed at NA2. It started raining at 01:15, and the clouds stuck around and showed no signs of leaving. After consultation with the observer, who needed at least two hours on their target before twilight, I called it a night at 03:30.
Mirror covers have been left in manual mode.
                    ------- 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
--------------------------------------------------------------------------
 20:31 ecamera    424(  343)   4  58  20.0 20.6 21.1 20.4 19.9   ND2  0.82
 22:11 ecamera    405(  284) -130  50  19.6 19.6 20.2 19.5 19.6   Clear  0.94
               ------------- WEATHER LOG ----------------
                                   Wind                      Precip.or
     Time   Temp F Dewp F  MPH  Direction    Dust    Sky    Conditions
    ------------------------------------------------------------------
     16:00    72    48     10    84    (E)   1540   cloudy     rain
     17:00    60    53     15    84    (E)   2500 mstly cldy   rain
     18:00    63    51     15   131   (SE)   1468  ptly cldy   none
     19:00    67    46     17   133   (SE)   1010    clear     none
     20:00    68    45     18   142   (SE)   1140    clear     none
     21:00    69    41     18   141   (SE)    947    clear     none
     22:00    69    37     21   128   (SE)    758    clear     none
     23:00    67    43     18   128   (SE)    992  ptly cldy   none
     00:00    67    41     18   117  (ESE)    803   cloudy     none
     01:00    67    44     17   143   (SE)   1340   cloudy   lt rain
     02:00    66    48     20   146   (SE)   2333   cloudy   lt rain
     03:00    65    49     14   173    (S)   2227   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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