Subject: 3.5m Night Log 20200822
From: decolib@apo.nmsu.edu
Date: Sun, 23 Aug 2020 12:21:19 +0000 (UTC)
                      Apache Point Observatory
                      3.5m Telescope Night Log
                      Saturday, August 22, 2020
PROG  PI ASTRONOMER      OBSERVER(S)
--------------------------------------------------------------------
UV04  M.Skrutskie       C.Schmidt,M.Skrutskie
CU05  A.Kowalski        A.Kowalski
                         ACTUAL
PROG  INSTRUMENT     START   FINISH
--------------------------------------------------------------------
UV04  Echelle        19:48   00:06
UV04  TSPEC          00:06   01:06
CU05  ARCTIC         01:19   05:40
   PROG       SCHEDULED      WEATH     EQUIP     OBS     NOT USED
 I/ROW/DTN  START  FINISH   D    B    D    B    D    B    D    B
-----------------------------------------------------------------
UV04/R      19:48  01:10    0    0    0    0   2.7  2.6   0    0
CU05/R      01:10  06:24    0    0    0    0   5.2  0.0   0    0
note: scheduled times listed include instrument change time
              ------------- ACTIVITY LOG --------------
Observing Specialist: D.DeColibus
Had the same problem as yesterday with the DIS red bias (blue was fine); showing weird readout pattern due to high temperature. It was fine by sunset.
A-half observer used Echelle for most of the night, and TripleSpec for the last hour.
It was quite hazy tonight due to wildfire smoke from Colorado. Some orographic clouds started forming over us around 2:15 AM and continued for the rest of the night. We closed up around 05:40.
                    ------- 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
--------------------------------------------------------------------------
 20:33 ecamera    354(  182)   9  47  18.8 20.6 20.9 20.3 19.3   Clear  0.98
 00:12 tcamera    354( 1306) 103  73  17.7 17.2 17.6 17.1 17.6   Ks  0.70
 01:26 arctic   466( 1224) 166  78  17.6 17.4 17.8 17.4 17.5   3500  1.23
                                   Wind                      Precip.or
     Time   Temp F Dewp F  MPH  Direction    Dust    Sky    Conditions
    ------------------------------------------------------------------
     16:00    71    43      5   285  (WNW)   1182 mstly clr    none
     17:00    71    38      1   175    (S)    773 mstly clr    none
     18:00    71    38     12    81    (E)    829    clear     none
     19:00    69    37     12    81    (E)    879    clear     none
     20:00    67    36     13    68  (ENE)    940    clear     none
     21:00    65    37     14    73  (ENE)    931    clear     none
     22:00    63    38     11    86    (E)    881    clear     none
     23:00    63    39     11    88    (E)    871    clear     none
     00:00    64    39     16    63  (ENE)    900    clear     none
     01:00    64    37     21    76  (ENE)    885    clear     none
     02:00    65    35      3   106  (ESE)    984  ptly cldy   none
     03:00    63    37      6    88    (E)   1096  ptly cldy   none
     04:00    66    32      7     8    (N)    897  ptly cldy   none
     05:00    64    39      4   194  (SSW)   1136  ptly cldy   none
     06:00    60    43      6   183    (S)   1167 mstly clr    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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