Subject: 3.5m Night Log 20230720
From: cgray@apo.nmsu.edu
Date: Fri, 21 Jul 2023 09:49:21 +0000 (UTC)
                      Apache Point Observatory
                      3.5m Telescope Night Log
                      Thursday, July 20, 2023
PROG  PI ASTRONOMER      OBSERVER(S)
--------------------------------------------------------------------
NM05  A.Dijeau          A.Dijeau
UW05  K.Suberlak        K.Suberlak
                         ON-SKY
PROG  INSTRUMENT     START   FINISH
--------------------------------------------------------------------
NM05  KOSMOS         --:--   --:--
UW05  KOSMOS         --:--   --:--
   PROG       SCHEDULED      WEATH     EQUIP     OBS     NOT USED
 I/ROW/DTN  START  FINISH   D    B    D    B    D    B    D    B
-----------------------------------------------------------------
NM05/R      20:19  01:10   2.8  2.1   0    0    0    0    0    0
UW05/R      01:10  06:01   4.8  0.0   0    0    0    0    0    0
note: scheduled times listed include instrument change time
              ------------- ACTIVITY LOG --------------
Observing Specialist: C.Gray
Well, while the Apple Tree fire isn't a danger for site, the smoke kept us closed. Counts stayed consistently near 5K with winds from the east. UW05 needed to get on sky by 1:45am in order to collect enough photons. By 3am smoke was still bad so I did fills and called it. The good news is that things finally started cooling outside tonight and DIS temp came down.
DIS temp
19:00 - 201, 193
03:30 - 188, 186
                    ------- 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    76    37     12    63  (ENE)   3523 mstly clr    none
     17:00    74    35     19    78  (ENE)   3117 mstly clr    none
     18:00    75    38     19    74  (ENE)   3830 mstly clr    none
     19:00    72    37     11    79    (E)   4272 mstly clr    none
     20:00    69    39     18    81    (E)   5208 mstly clr    none
     21:00    68    37     22    76  (ENE)   5092  ptly cldy   none
     22:00    67    35     16    78  (ENE)   4637  ptly cldy   none
     23:00    66    37     15    95    (E)   5357  ptly cldy   none
     00:00    65    37     13    78  (ENE)   5352    clear     none
     01:00    67    36      9    63  (ENE)   5294  ptly cldy   none
     02:00    68    36      4    51   (NE)   4409 mstly cldy   none
     03:00    68    36      7    44   (NE)   4442 mstly cldy   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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