Subject: 3.5m Night Log 20191117
From: mcmillan@apo.nmsu.edu
Date: Mon, 18 Nov 2019 13:21:51 +0000 (UTC)
                      Apache Point Observatory
                      3.5m Telescope Night Log
                      Sunday, November 17, 2019
PROG  PI ASTRONOMER      OBSERVER(S)
--------------------------------------------------------------------
CU05  J.Bally           J.Bally,Z.Chia
WY02  M.Brotherton      A.Cavanaugh
                         ACTUAL
PROG  INSTRUMENT     START   FINISH
--------------------------------------------------------------------
CU05  ARCTIC         17:25   20:35
CU05  NICFPS         20:45   00:02
WY02  TSPEC          00:20   05:50
   PROG       SCHEDULED      WEATH     EQUIP     OBS     NOT USED
 I/ROW/DTN  START  FINISH   D    B    D    B    D    B    D    B
-----------------------------------------------------------------
CU05/R      17:10  00:10    0    0    0    0   4.5  2.5   0    0
WY02/R      00:10  06:27    0    0    0    0   0.0  6.3   0    0
note: scheduled times listed include instrument change time
              ------------- ACTIVITY LOG --------------
Observing Specialist: R.McMillan
We had high clouds for part of first half, but they were pretty thin.  A brisk north wind caused some tracking trouble a couple of times but the second half observer had enough targets to point away from it.
                    ------- 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
--------------------------------------------------------------------------
 18:44 arctic   423(  683) 145  34   5.5  6.1  6.5  6.0  5.5   659/3  1.86
 19:38 arctic   460(  690) 145  40   5.7  5.6  6.1  5.5  5.7   659/3  1.15
 01:28 tcamera    526(  874)  61  60   7.8  7.3  7.8  7.4  7.4   Ks  1.26
               ------------- WEATHER LOG ----------------
                                   Wind                      Precip.or
     Time   Temp F Dewp F  MPH  Direction    Dust    Sky    Conditions
    ------------------------------------------------------------------
     16:00    42    15      1   231   (SW)    484  ptly cldy   none
     17:00    42    10     15   327  (NNW)    452  ptly cldy   none
     18:00    42     9      8   354    (N)    452  ptly cldy   none
     19:00    42    12     11    31  (NNE)    474 mstly clr    none
     20:00    45     9     14   347  (NNW)    477 mstly clr    none
     21:00    47    11     16    21  (NNE)    530    clear     none
     22:00    46    11     14   353    (N)    512    clear     none
     23:00    46    11     18   359    (N)    534    clear     none
     00:00    47    12     11    30  (NNE)    426    clear     none
     01:00    47    11     17    12  (NNE)    395    clear     none
     02:00    47    11     18    32  (NNE)    352    clear     none
     03:00    48    15     10     3    (N)    151    clear     none
     04:00    47    14      6    22  (NNE)    218    clear     none
     05:00    46    13     15    16  (NNE)    301    clear     none
     06:00    47    18      9    10    (N)    160    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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