Subject: 3.5m Night Log 20240527
From: mcroom@apo.nmsu.edu
Date: Tue, 28 May 2024 12:49:11 +0000 (UTC)
                      Apache Point Observatory
                      3.5m Telescope Night Log
                      Monday, May 27, 2024
PROG  PI ASTRONOMER      OBSERVER(S)
--------------------------------------------------------------------
UV05  J.Davidson        J.Davidson
UV06  J.Davidson        J.Davidson
                         ON-SKY
PROG  INSTRUMENT     START   FINISH
--------------------------------------------------------------------
UV05  DSSI           20:33   01:10
UV06  DSSI           01:10   05:48
   PROG       SCHEDULED      WEATH     EQUIP     OBS     NOT USED
 I/ROW/DTN  START  FINISH   D    B    D    B    D    B    D    B
-----------------------------------------------------------------
UV05/R      20:13  01:10    0    0    0    0   4.1  0.9   0    0
UV06/R      01:10  05:48    0    0    0    0   0.0  4.6   0    0
note: scheduled times listed include instrument change time
              ------------- ACTIVITY LOG --------------
Observing Specialist: M.Croom
Observer logged in as UV03 (their nominal program moniker) for the entire night.
Sub-arc second seeing and clear conditions all night aside from a short period around midnight when thin wispy clouds quickly passed through. Observations continued the entire time.
Pollen counts stayed below 50/hr.
No problems tonight.
                    ------- 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
--------------------------------------------------------------------------
19:43 dssi   285( 1833) -41  62  17.2 18.1 18.1 17.6 17.2   692  0.60
               ------------- WEATHER LOG ----------------
                                   Wind                      Precip.or
     Time   Temp F Dewp F  MPH  Direction    Dust    Sky    Conditions
    ------------------------------------------------------------------
     16:00    70    20     19   247  (WSW)    821    clear     none
     17:00    68    20     18   256  (WSW)    945    clear     none
     18:00    67    17     17   266    (W)   1654    clear     none
     19:00    66    16     15   275    (W)   1521    clear     none
     20:00    63    13     13   269    (W)   1587    clear     none
     21:00    63    11     11   268    (W)   1287    clear     none
     22:00    62    11     15   269    (W)   1209    clear     none
     23:00    62    11     15   299  (WNW)   1290    clear     none
     00:00    60     8     12   271    (W)    977 mstly clr    none
     01:00    60     8     11   269    (W)   1033    clear     none
     02:00    61     9     10   262    (W)   1161    clear     none
     03:00    59     7     10   258  (WSW)   1038    clear     none
     04:00    60     9      9   258  (WSW)   1024    clear     none
     05:00    59     8     10   245  (WSW)   1024    clear     none
     06:00    57     5      9   240  (WSW)   1039    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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