Subject: 3.5m Night Log 20220109
From: cgray@apo.nmsu.edu
Date: Mon, 10 Jan 2022 13:17:16 +0000 (UTC)
                      Apache Point Observatory
                      3.5m Telescope Night Log
                      Sunday, January 09, 2022
PROG  PI ASTRONOMER      OBSERVER(S)
--------------------------------------------------------------------
JH02  R.Angulo          Q.Wang, R.Angulo
UW07  B.Morris          B.Morris
                         ON-SKY
PROG  INSTRUMENT     START   FINISH
--------------------------------------------------------------------
JH02  ARCTIC         17:24   00:04
UW07  ECHELLE        00:09   06:10
   PROG       SCHEDULED      WEATH     EQUIP     OBS     NOT USED
 I/ROW/DTN  START  FINISH   D    B    D    B    D    B    D    B
-----------------------------------------------------------------
JH02/R      17:24  00:10    0    0    0    0   0.0  6.8   0    0
UW07/R      00:10  06:58    0    0    0    0   6.2  0.6   0    0
note: scheduled times listed include instrument change time
              ------------- ACTIVITY LOG --------------
Observing Specialist: C.Gray
We had clouds in the afternoon with radar returns and  I thought we would be delayed in opening. However, it cleared up a bit and we were able to open on time, though clouds were plentiful until about 11 pm when they cleared out. Unfortunately, they returned near sunrise but UW07 was able to use their full time on sky. Seeing was great!
                    ------- 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
--------------------------------------------------------------------------
 18:22 arctic   375(  609) 193  63  -1.1 -0.3 -0.4 -0.8 -0.6   sdss-r  0.79
 00:13 ecamera    386( -623) -100  62  -2.7 -3.3 -2.7 -3.4 -3.2   ND1  1.00
               ------------- WEATHER LOG ----------------
                                   Wind                      Precip.or
     Time   Temp F Dewp F  MPH  Direction    Dust    Sky    Conditions
    ------------------------------------------------------------------
     16:00    32    20      1   230   (SW)    463 mstly cldy   none
     17:00    32    17      2   326   (NW)    347 mstly cldy   none
     18:00    30    18      1    88    (E)    302 mstly cldy   none
     19:00    31    16      9    19  (NNE)    345  ptly cldy   none
     20:00    30    17     12    64  (ENE)    348  ptly cldy   none
     21:00    30    17     12    65  (ENE)    353 mstly clr    none
     22:00    28    18     14    79    (E)    333 mstly clr    none
     23:00    27    19     14    78  (ENE)    349    clear     none
     00:00    27    16     10    86    (E)    364    clear     none
     01:00    28    14      6    95    (E)    329    clear     none
     02:00    26    14     10    90    (E)    315    clear     none
     03:00    27    13     10    87    (E)    283  ptly cldy   none
     04:00    27    13      9    87    (E)    273 mstly cldy   none
     05:00    26    15     12    97    (E)    338 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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