Subject: 3.5m Night Log 20220903
From: ajt@apo.nmsu.edu
Date: Sun,  4 Sep 2022 12:34:20 +0000 (UTC)
                      Apache Point Observatory
                      3.5m Telescope Night Log
                      Saturday, September 03, 2022
PROG  PI ASTRONOMER      OBSERVER(S)
--------------------------------------------------------------------
WY01  C.Kobulnicky      C.Kobulnicky+Class
                         ON-SKY
PROG  INSTRUMENT     START   FINISH
--------------------------------------------------------------------
WY01  KOSMOS         19:56   21:48
WY01  ECHELLE        23:48   03:24
WY01  KOSMOS         03:28   05:54
   PROG       SCHEDULED      WEATH     EQUIP     OBS     NOT USED
 I/ROW/DTN  START  FINISH   D    B    D    B    D    B    D    B
-----------------------------------------------------------------
WY01/O      19:34  06:32    0   2.0   0    0   6.4  2.6   0    0
note: scheduled times listed include instrument change time
              ------------- ACTIVITY LOG --------------
Observing Specialist: A.Townsend&C.Gray
Closed at 21:48 due to radar. Opened 2 hours later when the clouds, humidity, and radar all dropped.
Wind gusts were over 30 mph for most of A-half, humidity was up and down all night, and seeing wasn’t great but the WY01 class got a lot of time on sky!
                    ------- 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
--------------------------------------------------------------------------
 20:09 klow   476( 1096)  74  65  12.5 13.2 13.9 13.1 12.6   --  1.51
 23:56 ecamera    373( -143) -108  62  11.1 11.3 12.2 11.3 11.2   Clear  3.76
 02:44 ecamera    387( -170) -124  35   9.9 10.1 10.8  9.9 10.1   Clear  2.24
 03:38 klow   515(  973) 140  67  10.4  9.8 10.5  9.7 10.2   --  2.47
               ------------- WEATHER LOG ----------------
                                   Wind                      Precip.or
     Time   Temp F Dewp F  MPH  Direction    Dust    Sky    Conditions
    ------------------------------------------------------------------
     16:00    59    31      9    98    (E)    726    clear     none
     17:00    60    31     23    70  (ENE)    564    clear     none
     18:00    57    30     23    71  (ENE)    657 mstly clr    none
     19:00    56    30     24    72  (ENE)    629 mstly clr    none
     20:00    55    30     18    68  (ENE)   1013  ptly cldy   none
     21:00    54    29     14    63  (ENE)    985  ptly cldy   none
     22:00    53    30     12    72  (ENE)         ptly cldy  humid
     23:00    53    30     22    68  (ENE)        mstly clr   humid
     00:00    52    30     24    77  (ENE)        mstly clr    none
     01:00    51    30     21    68  (ENE)   1173  ptly cldy   none
     02:00    52    29     18    73  (ENE)    727 mstly clr    none
     03:00    50    29      3   106  (ESE)    806 mstly clr    none
     04:00    50    30      1   304   (NW)    677 mstly clr   humid
     05:00    50    30     12    68  (ENE)    885    clear     none
     06:00    51    27     14    80    (E)    657    clear     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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