Subject: 3.5m Night Log 20230513
From: cgray@apo.nmsu.edu
Date: Sun, 14 May 2023 10:32:04 +0000 (UTC)
                      Apache Point Observatory
                      3.5m Telescope Night Log
                      Saturday, May 13, 2023
PROG  PI ASTRONOMER      OBSERVER(S)
--------------------------------------------------------------------
OU04  G.Jewett          A.Moss, G.Jewett
WY01  C.Kobulnicky      C.Kobulnicky, N.Patten
AP01  S.Merkowitz       R.McMillan
                         ON-SKY
PROG  INSTRUMENT     START   FINISH
--------------------------------------------------------------------
OU04  KOSMOS         --:--   --:--
WY01  KOSMOS         --:--   --:--
AP01  APOLLO         --:--   --:--
   PROG       SCHEDULED      WEATH     EQUIP     OBS     NOT USED
 I/ROW/DTN  START  FINISH   D    B    D    B    D    B    D    B
-----------------------------------------------------------------
OU04/R      20:02  01:10   5.1  0.0   0    0    0    0    0    0
WY01/R      01:10  04:56   2.1  1.7   0    0    0    0    0    0
AP01/R      04:56  05:56   0.0  1.0   0    0    0    0    0    0
note: scheduled times listed include instrument change time
              ------------- ACTIVITY LOG --------------
Observing Specialist: C.Gray
It feels like monsoon season has started early, there are predictions of thunderstorms for the next couple weeks. While it didn't actually rain on site, the clouds were everywhere and, by the time the storms blew out, the humidity rose. Everything came from the east, including high winds. Things cleared up around 3am but there was fog. Things were getting worse and I could see more fog rolling in so I called it at 4:30am.
                    ------- 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                 10    86    (E)   2139  ptly cldy   none
     17:00                 15    63  (ENE)   2114 mstly clr    none
     18:00                 17    64  (ENE)   2246 mstly clr    none
     19:00                 21    58  (ENE)   1808  ptly cldy  humid
     20:00                 28    72  (ENE)        mstly clr   humid
     21:00                 27    75  (ENE)        mstly clr   humid
     22:00                 18    81    (E)          cloudy    humid
     23:00                 14    93    (E)        mstly cldy  humid
     00:00                 16    77  (ENE)        mstly cldy  humid
     01:00                 18    77  (ENE)         ptly cldy  humid
     02:00                 11    58  (ENE)   2320 mstly clr   humid
     03:00                 18    67  (ENE)        mstly clr   humid
     04:00                 16    78  (ENE)        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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