Subject: 3.5m Night Log 20240207
From: ajt@apo.nmsu.edu
Date: Thu,  8 Feb 2024 13:19:29 +0000 (UTC)
                      Apache Point Observatory
                      3.5m Telescope Night Log
                      Wednesday, February 07, 2024
PROG  PI ASTRONOMER      OBSERVER(S)
--------------------------------------------------------------------
NM02  M.Croom           M.Croom
UW02  P.Yoachim         J.Jiang
CU05  B.Oppenheimer     M.Croom
                         ON-SKY
PROG  INSTRUMENT     START   FINISH
--------------------------------------------------------------------
NM02  KOSMOS         --:--   --:--
UW02  KOSMOS         --:--   --:--
CU05  KOSMOS         --:--   --:--
   PROG       SCHEDULED      WEATH     EQUIP     OBS     NOT USED
 I/ROW/DTN  START  FINISH   D    B    D    B    D    B    D    B
-----------------------------------------------------------------
NM02/R      17:50  00:10   6.3   0    0    0   0.0  0.0   0    0
UW02/R      00:10  03:10   3.0   0    0    0   0.0  0.0   0    0
CU05/R      03:10  06:45   3.0  0.6   0    0   0.0  0.0   0    0
note: scheduled times listed include instrument change time
              ------------- ACTIVITY LOG --------------
Observing Specialist: A.Townsend
Wind limit of 15mph tonight due to snow on the dome. Completely overcast most of the night, though there were some clear spots towards morning between the fog. The wind was very high for most of A-half and the humidity was too high to open all night. Barely any precipitation, it might have just been the fog freezing.
I ran the snow program almost all night. Dome is parked at 104 az for LN2 transfer.
                    ------- 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    24    20     33   253  (WSW)          cloudy    humid
     17:00    26    19     25   263    (W)   1107   cloudy     none
     18:00    27    17     19   260    (W)    878   cloudy     none
     19:00    26    15     32   248  (WSW)   1215   cloudy     none
     20:00    25    20     31   250  (WSW)          cloudy   lt snow
     21:00    23    23     26   264    (W)          cloudy     fog
     22:00    22    21     29   253  (WSW)          cloudy     fog
     23:00    21    21     24   268    (W)          cloudy     fog
     00:00    21    20     25   277    (W)          cloudy     fog
     01:00    20    20     15   266    (W)        mstly cldy  humid
     02:00    19    18     18   267    (W)        mstly cldy  humid
     03:00    19    18     11   239  (WSW)        mstly cldy  humid
     04:00    19    18      9   260    (W)         ptly cldy  humid
     05:00    19    17     13   268    (W)        mstly clr   humid
     06:00    19    17      8   265    (W)        mstly clr   humid
     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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