Subject: 3.5m Night Log 20220822
From: decolib@apo.nmsu.edu
Date: Tue, 23 Aug 2022 10:13:24 +0000 (UTC)
                      Apache Point Observatory
                      3.5m Telescope Night Log
                      Monday, August 22, 2022
PROG  PI ASTRONOMER      OBSERVER(S)
--------------------------------------------------------------------
BY04  S.Turner          S.Turner,C.Scoresby
NM04  A.Dijeau          A.Dijeau
AP01  S.Merkowitz       R.McMillan
                         ON-SKY
PROG  INSTRUMENT     START   FINISH
--------------------------------------------------------------------
BY04  NICFPS         --:--   --:--
NM04  KOSMOS         --:--   --:--
AP01  APOLLO         --:--   --:--
   PROG       SCHEDULED      WEATH     EQUIP     OBS     NOT USED
 I/ROW/DTN  START  FINISH   D    B    D    B    D    B    D    B
-----------------------------------------------------------------
BY04/R      19:49  01:10   5.4   0    0    0   0.0  0.0   0    0
NM04/R      01:10  05:24   1.6  2.6   0    0   0.0  0.0   0    0
AP01/R      05:24  06:24    0   1.0   0    0   0.0  0.0   0    0
note: scheduled times listed include instrument change time
              ------------- ACTIVITY LOG --------------
Observing Specialist: D.DeColibus
There were some periods without clouds, but the humidity remained too high to open at any point during the night. After looking at the forecast and consulting with NM04 and AP01, we gave up at 04:00.
                    ------- 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    51    49     23    61  (ENE)          cloudy     rain
     17:00    53    50     16    64  (ENE)          cloudy    humid
     18:00    54    51     12    63  (ENE)          cloudy    humid
     19:00    54    52      8    72  (ENE)          cloudy    humid
     20:00    53    51     14    54   (NE)        mstly cldy  humid
     21:00    52    51     18    61  (ENE)        mstly clr   humid
     22:00    52    50     14    75  (ENE)           clear    humid
     23:00    51    49     13    58  (ENE)         ptly cldy  humid
     00:00    51    49     13    76  (ENE)        mstly cldy  humid
     01:00    51    49     13    76  (ENE)         ptly cldy  humid
     02:00    51    50      9    81    (E)        mstly clr   humid
     03:00    51    48      7    82    (E)        mstly clr   humid
     04:00    50    48      8    34   (NE)           clear    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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