Subject: 3.5m Night Log 20240801
From: ajt@apo.nmsu.edu
Date: Fri,  2 Aug 2024 12:07:35 +0000 (UTC)
                      Apache Point Observatory
                      3.5m Telescope Night Log
                      Thursday, August 01, 2024
PROG  PI ASTRONOMER      OBSERVER(S)
--------------------------------------------------------------------
JH01  Z.Rustamkulov     Z.Rustamkulov
UW06  C.Chandler        C.Chandler,M.Frissell
                         ON-SKY
PROG  INSTRUMENT     START   FINISH
--------------------------------------------------------------------
JH01  ARCTIC         20:18   23:29
UW06  ARCTIC         --:--   --:--
   PROG       SCHEDULED      WEATH     EQUIP     OBS     NOT USED
 I/ROW/DTN  START  FINISH   D    B    D    B    D    B    D    B
-----------------------------------------------------------------
JH01/R      20:10  01:45   2.3   0    0    0   3.3  0.0   0    0
UW06/R      01:45  06:10   2.4  2.0   0    0   0.0  0.0   0    0
note: scheduled times listed include instrument change time
              ------------- ACTIVITY LOG --------------
Observing Specialist: A.Townsend
Dome video monitors didn't get stuck this evening but the optical all-sky camera did.
We opened up with a few clouds left over from this afternoon's rain, but with really good seeing!
Closed up at 23:30 due to nearby radar and clouds. As the storms moved out of range, the dust counts rose and stayed too high to open for the rest of the night.
                    ------- 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
--------------------------------------------------------------------------
 20:54 arctic   419( 1857)  91  44  20.7 21.8 21.5 21.4 21.0   SDSS_g  0.78
               ------------- WEATHER LOG ----------------
                                   Wind                      Precip.or
     Time   Temp F Dewp F  MPH  Direction    Dust    Sky    Conditions
    ------------------------------------------------------------------
     16:00    68    53      6    57  (ENE)   4582 mstly cldy   rain
     17:00    74    48     10   229   (SW)   3386 mstly cldy   none
     18:00    74    47      9   213  (SSW)   2851 mstly cldy   none
     19:00    72    45      6   173    (S)   2584 mstly cldy   none
     20:00    69    44      7   139   (SE)   2119  ptly cldy   none
     21:00    69    43      6   120  (ESE)   2029 mstly clr    none
     22:00    67    45     11   150  (SSE)   2388    clear     none
     23:00    68    46     13   168  (SSE)   2757 mstly cldy   none
     00:00    67    45     11   175    (S)   2434 mstly clr    none
     01:00    66    46     18   157  (SSE)   2880    clear     dust
     02:00    64    47     19   128   (SE)   5978    clear     dust
     03:00    63    48     20   134   (SE)   7620    clear     dust
     04:00    63    48     18   127   (SE)   6632    clear     dust
     05:00    63    49     14   154  (SSE)   4908    clear     dust
     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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