Subject: 3.5m Night Log 20221122
From: cgray@apo.nmsu.edu
Date: Wed, 23 Nov 2022 12:29:34 +0000 (UTC)
                      Apache Point Observatory
                      3.5m Telescope Night Log
                      Tuesday, November 22, 2022
PROG  PI ASTRONOMER      OBSERVER(S)
--------------------------------------------------------------------
FG02  D.Buzasi          D.Buzasi
OU02  E.Baron           J.DerKacy
                         ON-SKY
PROG  INSTRUMENT     START   FINISH
--------------------------------------------------------------------
FG02  ECHELLE        17:07   00:00
OU02  kosmos         00:03   04:08
   PROG       SCHEDULED      WEATH     EQUIP     OBS     NOT USED
 I/ROW/DTN  START  FINISH   D    B    D    B    D    B    D    B
-----------------------------------------------------------------
FG02/R      17:07  00:10    0    0    0    0   7.1  0.0   0    0
OU02/R      00:10  06:32   2.2  0.2   0    0   3.9  0.0   0    0
note: scheduled times listed include instrument change time
              ------------- ACTIVITY LOG --------------
Observing Specialist: C.Gray
The night started off with light clouds and good seeing. However, clouds started rolling in and the humidity was making some crazy changes. At one point I thought we would need to close and then in 5 min it was dry again. By 4am, the clouds were becoming too much to punch through for a 17 mag and we closed so OU02 could take their cals.
No problems tonight.
                    ------- 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
--------------------------------------------------------------------------
 20:13 ecamera    385( -642) -21  48   0.6  0.3  1.1  0.4  0.5   Clear  0.91
 00:12 kosmos   451(  444) -13  37   0.9 -0.4  0.0 -0.8  0.2   --  2.56
               ------------- WEATHER LOG ----------------
                                   Wind                      Precip.or
     Time   Temp F Dewp F  MPH  Direction    Dust    Sky    Conditions
    ------------------------------------------------------------------
     16:00    36    16      1   219   (SW)    334  ptly cldy   none
     17:00    35    17      1   164  (SSE)    312  ptly cldy   none
     18:00    34    21      5   209  (SSW)    409  ptly cldy   none
     19:00    34    25      6   240  (WSW)    515   cloudy     none
     20:00    33    25      9   232   (SW)    555 mstly cldy   none
     21:00    36    12      3   185    (S)    378  ptly cldy   none
     22:00    32    24      4   255  (WSW)    527    clear    humid
     23:00    31    25      7   262    (W)    629    clear    humid
     00:00    32    15     12   237  (WSW)    347    clear     none
     01:00    34    11      9   263    (W)    325 mstly clr    none
     02:00    36    12     24   285  (WNW)    343  ptly cldy   none
     03:00    34    19     14   285  (WNW)    512 mstly cldy   none
     04:00    33    22     15   293  (WNW)    662 mstly cldy   none
     05:00    33    23     17   315   (NW)    678 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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