Subject: 3.5m Night Log 20240513
From: mcmillan@apo.nmsu.edu
Date: Tue, 14 May 2024 12:23:03 +0000 (UTC)
                      Apache Point Observatory
                      3.5m Telescope Night Log
                      Monday, May 13, 2024
PROG  PI ASTRONOMER      OBSERVER(S)
--------------------------------------------------------------------
UW02  P.Yoachim         P.Yoachim,J.Jiang
JH01  Z.Rustamkulov     Z.Rustamkulov
                         ON-SKY
PROG  INSTRUMENT     START   FINISH
--------------------------------------------------------------------
UW02  KOSMOS         20:21   23:09
JH01  KOSMOS         23:10   5:27
   PROG       SCHEDULED      WEATH     EQUIP     OBS     NOT USED
 I/ROW/DTN  START  FINISH   D    B    D    B    D    B    D    B
-----------------------------------------------------------------
UW02/R      20:03  23:00    0    0    0    0   0.0  2.9   0    0
JH01/R      23:00  05:56    0    0    0    0   4.3  2.6   0    0
note: scheduled times listed include instrument change time
              ------------- ACTIVITY LOG --------------
Observing Specialist: R.McMillan
Rain to the east of us at sunset was moving away, so I felt safe opening.  We had a nice mostly-clear night with occasional small clouds moving through that never interrupted observations.  Eventually the clouds all cleared away.  Pollen levels were quite low, and seeing was moderately good.
Everything worked well, and observers got useful data.
                    ------- 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
--------------------------------------------------------------------------
 20:40 kimage   300( 1325)  72  34  11.5 13.9 13.4 13.6 12.9   -  1.47
               ------------- WEATHER LOG ----------------
                                   Wind                      Precip.or
     Time   Temp F Dewp F  MPH  Direction    Dust    Sky    Conditions
    ------------------------------------------------------------------
     16:00    60    18      7   279    (W)    678  ptly cldy   none
     17:00    63    17     16   263    (W)    718  ptly cldy   none
     18:00    59    13     12   305   (NW)    671 mstly clr    none
     19:00    60    15     13   243  (WSW)    666 mstly clr    none
     20:00    54    14      5   260    (W)    725 mstly clr    none
     21:00    53    15      2   247  (WSW)    714 mstly clr    none
     22:00    53    15      5   254  (WSW)    746    clear     none
     23:00    54    15      8   191    (S)    841  ptly cldy   none
     00:00    51    16      5   170    (S)    917  ptly cldy   none
     01:00    50    16      9   184    (S)    978  ptly cldy   none
     02:00    51    16      1   188    (S)   1000 mstly clr    none
     03:00    51    16      4   195  (SSW)    882 mstly clr    none
     04:00    51    18      3   245  (WSW)    921    clear     none
     05:00    51    18      6   217   (SW)    843    clear     none
     06:00    50    18      7   217   (SW)    769    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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