Subject: 3.5m Night Log 20230703
From: mcmillan@apo.nmsu.edu
Date: Tue,  4 Jul 2023 11:50:59 +0000 (UTC)
                      Apache Point Observatory
                      3.5m Telescope Night Log
                      Monday, July 03, 2023
PROG  PI ASTRONOMER      OBSERVER(S)
--------------------------------------------------------------------
BY02  D.Stephens        D.Stephens+students
NM09  A.Peck            A.Peck,J.Klusmeyer
                         ON-SKY
PROG  INSTRUMENT     START   FINISH
--------------------------------------------------------------------
BY02  NICFPS         20:25   21:31
BY02  TSPEC          21:43   00:57
NM09  ECHELLE        00:07   05:21
   PROG       SCHEDULED      WEATH     EQUIP     OBS     NOT USED
 I/ROW/DTN  START  FINISH   D    B    D    B    D    B    D    B
-----------------------------------------------------------------
BY02/R      20:24  01:10    0    0    0    0   0.6  4.1   0    0
NM09/R      01:10  05:51    0    0    0    0   0.0  4.7   0    0
note: scheduled times listed include instrument change time
              ------------- ACTIVITY LOG --------------
Observing Specialist: R.McMillan
Afternoon storms had pretty much dissipated by sunset, although we did still have a few bits of cloud passing through for a few hours, and then the sky cleared beautifully.  Good seeing all night long, and the telescope and instruments behaved well.
                    ------- 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
--------------------------------------------------------------------------
 20:45 NICFPS     419( 1740) 221  71  18.0 18.6 18.6 18.3 17.7   H  0.84
 21:58 tcamera    400( 1405) 299  61  16.1 17.1 17.5 16.8 16.2   Ks  1.21
 01:14 ecamera    419(   98)  39  77  17.6 15.6 16.3 15.7 16.8   ND3  0.75
               ------------- WEATHER LOG ----------------
                                   Wind                      Precip.or
     Time   Temp F Dewp F  MPH  Direction    Dust    Sky    Conditions
    ------------------------------------------------------------------
     16:00    62    42     18    72  (ENE)    771 mstly cldy   none
     17:00    64    40     16    80    (E)    746 mstly cldy   none
     18:00    68    41      7    99    (E)    827  ptly cldy   none
     19:00    64    41     11    71  (ENE)    918  ptly cldy   none
     20:00    64    41      9    85    (E)    998  ptly cldy   none
     21:00    64    39     14    75  (ENE)    972 mstly clr    none
     22:00    61    41     15    78  (ENE)    964 mstly clr    none
     23:00    60    40     14    81    (E)    828    clear     none
     00:00    60    39      8    81    (E)    898    clear     none
     01:00    64    36      4    96    (E)    927    clear     none
     02:00    63    37      5   265    (W)    882    clear     none
     03:00    60    38      5   139   (SE)    833 mstly clr    none
     04:00    58    42      3   146   (SE)    956    clear     none
     05:00    58    43      5   187    (S)    960    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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