Subject: 3.5m Night Log 20240318
From: ajt@apo.nmsu.edu
Date: Tue, 19 Mar 2024 11:26:06 +0000 (UTC)
                      Apache Point Observatory
                      3.5m Telescope Night Log
                      Monday, March 18, 2024
PROG  PI ASTRONOMER      OBSERVER(S)
--------------------------------------------------------------------
UW06  B.Morris          L.Hebb
CU04  Y.Notsu           Y.Notsu
                         ON-SKY
PROG  INSTRUMENT     START   FINISH
--------------------------------------------------------------------
UW06  ECHELLE        --:--   --:--
CU04  ARCTIC         --:--   --:--
   PROG       SCHEDULED      WEATH     EQUIP     OBS     NOT USED
 I/ROW/DTN  START  FINISH   D    B    D    B    D    B    D    B
-----------------------------------------------------------------
UW06/R      19:22  01:10    0   5.8   0    0   0.0  0.0   0    0
CU04/R      01:10  06:59   2.6  3.2   0    0   0.0  0.0   0    0
note: scheduled times listed include instrument change time
              ------------- ACTIVITY LOG --------------
Observing Specialist: A.Townsend
Though the clouds came and went all night, we had humidity of 90-95%, with nearby radar on and off and couldn't open up.
                    ------- 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    29    28     16    82    (E)          cloudy    humid
     17:00    29    28     19    83    (E)          cloudy    humid
     18:00    29    27     18    86    (E)          cloudy    humid
     19:00    29    26     10    92    (E)        mstly clr   humid
     20:00    28    26     17    98    (E)        mstly clr   humid
     21:00    28    25     15    89    (E)        mstly clr   humid
     22:00    28    25     15    86    (E)        mstly clr   humid
     23:00    28    25     18    81    (E)         ptly cldy  humid
     00:00    27    24     13    85    (E)         ptly cldy  humid
     01:00    27    24     12   124   (SE)         ptly cldy  humid
     02:00    30    25      4   184    (S)        mstly clr   humid
     03:00    30    27     11   159  (SSE)        mstly clr   humid
     04:00    30    28     12   147  (SSE)         ptly cldy  humid
     05:00    30    29     12   154  (SSE)          cloudy    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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