Subject: 3.5m Night Log 20191019
From: mcmillan@apo.nmsu.edu
Date: Sun, 20 Oct 2019 13:05:13 +0000 (UTC)
                      Apache Point Observatory
                      3.5m Telescope Night Log
                      Saturday, October 19, 2019
PROG  PI ASTRONOMER      OBSERVER(S)
--------------------------------------------------------------------
NM01  J.Holtzman        J.Holtzman+students
AP01  T.Murphy          R.McMillan
GS03  S.Lepine          N.Hejazi
                         ACTUAL
PROG  INSTRUMENT     START   FINISH
--------------------------------------------------------------------
NM01  ARCTIC         18:35   21:30
NM01  Eyepiece       21:35   22:00
NM01  Echelle        22:05   01:04
AP01  APOLLO         01:07   02:09
GS03  ECHELLE        02:14   06:25
   PROG       SCHEDULED      WEATH     EQUIP     OBS     NOT USED
 I/ROW/DTN  START  FINISH   D    B    D    B    D    B    D    B
-----------------------------------------------------------------
NM01/O      18:34  01:10    0    0    0    0   4.2  2.4   0    0
AP01/W      01:10  02:10    0    0    0    0   0.0  1.0   0    0
GS03/R      02:10  07:03    0    0    0    0   0.0  4.9   0    0
note: scheduled times listed include instrument change time
              ------------- ACTIVITY LOG --------------
Observing Specialist: R.McMillan
Clear all night with excellent seeing (contrary to forecast).  We got lots of observing done.
                    ------- 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
--------------------------------------------------------------------------
 18:07 arctic   463(  835) 104  64   7.1  9.0  8.5  8.3  7.2   sdss-r  0.70
 02:21 ecamera    394( -463)  79  65   6.8  6.3  6.8  6.4  6.7   ND2  0.79
               ------------- WEATHER LOG ----------------
                                   Wind                      Precip.or
     Time   Temp F Dewp F  MPH  Direction    Dust    Sky    Conditions
    ------------------------------------------------------------------
     16:00    50    19      8   262    (W)    748    clear     none
     17:00    48    17      6   265    (W)    910    clear     none
     18:00    47    19      5   256  (WSW)    813    clear     none
     19:00    44    17     13   210  (SSW)    921    clear     none
     20:00    45    18     13   218   (SW)   1181    clear     none
     21:00    45    22     14   207  (SSW)   1166    clear     none
     22:00    45    22     13   251  (WSW)   1112    clear     none
     23:00    45    18     11   243  (WSW)   1087    clear     none
     00:00    45    21     16   252  (WSW)   1163    clear     none
     01:00    45    21     13   260    (W)   1153    clear     none
     02:00    44    25     17   267    (W)   1274    clear     none
     03:00    45    23     17   266    (W)   1147    clear     none
     04:00    44    22     16   259    (W)   1309    clear     none
     05:00    44    22     14   267    (W)   1293    clear     none
     06:00    44    24     14   268    (W)   1338    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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