Subject: 3.5m Night Log 20240209
From: dembicky@apo.nmsu.edu
Date: Sat, 10 Feb 2024 12:37:22 +0000 (UTC)
                      Apache Point Observatory
                      3.5m Telescope Night Log
                      Friday, February 09, 2024
PROG  PI ASTRONOMER      OBSERVER(S)
--------------------------------------------------------------------
NM02  M.Croom           M.Croom
GS01  M.Crenshaw        J.Falcone
                         ON-SKY
PROG  INSTRUMENT     START   FINISH
--------------------------------------------------------------------
NM02  KOSMOS         --:--   --:--
GS01  KOSMOS         --:--   --:--
   PROG       SCHEDULED      WEATH     EQUIP     OBS     NOT USED
 I/ROW/DTN  START  FINISH   D    B    D    B    D    B    D    B
-----------------------------------------------------------------
NM02/R      17:52  00:10   6.3   0    0    0   0.0  0.0   0    0
GS01/R      00:10  06:43   6.6   0    0    0   0.0  0.0   0    0
note: scheduled times listed include instrument change time
              ------------- ACTIVITY LOG --------------
Observing Specialist: J.Dembicky
Clouds at the start of the night, light snow started falling at 01:00.  I started the snow program when the snow started.  It only lightly showed for maybe 30 mins and then stopped.  The clouds stuck around the rest of the night.  I gave p at 05:15 when my observers had told me earlier that they needed a minimum of 1.5 hrs of clear sky.
I filled NICFPS, TSPEC, and KOSMOS in the morning.  Fills go faster when I fill TSPEC 2x, well until I run 2 dewars dry doing my fills this morning.
I left the dome parked at 104,75, but only the 3.5m control room stop button is active, so I can start my snow program without having to run up the stairs to release the other buttons.
                    ------- 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
--------------------------------------------------------------------------
               ------------- WEATHER LOG ----------------
                                   Wind                      Precip.or
     Time   Temp F Dewp F  MPH  Direction    Dust    Sky    Conditions
    ------------------------------------------------------------------
     16:00    31     3     11   257  (WSW)    110 mstly cldy   none
     17:00    30     8      9   212  (SSW)    150 mstly cldy   none
     18:00    27     7      6   193  (SSW)    556 mstly cldy   none
     19:00    28     0      9   237  (WSW)    204   cloudy     none
     20:00    28     1      8   202  (SSW)    208   cloudy     none
     21:00    28     5     12   240  (WSW)    263   cloudy     none
     22:00    29     5     14   192  (SSW)    292   cloudy     none
     23:00    28    14     16   212  (SSW)    480   cloudy     none
     00:00    28    16     17   219   (SW)    578   cloudy     none
     01:00    27    15     19   210  (SSW)    527   cloudy   lt snow
     02:00    26    15     13   226   (SW)    629   cloudy     none
     03:00    23    20     20   262    (W)   6859   cloudy    humid
     04:00    23    18     25   217   (SW)          cloudy     none
     05:00    24    16     18   242  (WSW)    765   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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