Subject: 3.5m Night Log 20211014
From: dembicky@apo.nmsu.edu
Date: Fri, 15 Oct 2021 13:12:56 +0000 (UTC)
                      Apache Point Observatory
                      3.5m Telescope Night Log
                      Thursday, October 14, 2021
PROG  PI ASTRONOMER      OBSERVER(S)
--------------------------------------------------------------------
NM04  S.Kovac           S.Kovac, C.Gray
UW05  Y.Notsu           Y.Notsu
NM08  E.Nielsen         E.Nielsen, B.Roberson
WY02  M.Brotherton      J.McLane
                         ON-SKY
PROG  INSTRUMENT     START   FINISH
--------------------------------------------------------------------
NM04  ECHELLE        18:39   20:08
UW05  ECHELLE        20:08   01:10
NM08  ECHELLE        01:10   05:23
WY02  TSPEC          05:26   06:59
   PROG       SCHEDULED      WEATH     EQUIP     OBS     NOT USED
 I/ROW/DTN  START  FINISH   D    B    D    B    D    B    D    B
-----------------------------------------------------------------
NM04/R      18:39  20:19    0    0    0    0   0.0  1.7   0    0
UW05/R      20:19  01:10    0    0    0    0   0.0  4.9   0    0
NM08/R      01:10  05:29    0    0    0    0   3.3  1.1   0    0
WY02/R      05:29  06:59    0    0    0    0   1.5  0.0   0    0
note: scheduled times listed include instrument change time
              ------------- ACTIVITY LOG --------------
Observing Specialist: J.Dembicky
Elevated dust levels again tonight.  Dust dropped after midnight.
No problems tonight.  I removed the NA2 instrument for the incoming group to mount their instrument.
                    ------- 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
--------------------------------------------------------------------------
 18:40 ecamera    606(  151)  75  58   6.3  8.4  7.7  8.2  7.4   ND4  1.08
 20:14 ecamera    539(  -39) -61  36   5.4  5.4  6.0  5.2  5.2   ND1  1.18
 01:17 ecamera    405( -219) -103  39   4.8  4.5  5.2  4.6  4.6   ND2  1.57
 05:26 tcamera    453(  929) 148  70   2.9  1.7  3.1  2.7  2.8   Ks  1.40
               ------------- WEATHER LOG ----------------
                                   Wind                      Precip.or
     Time   Temp F Dewp F  MPH  Direction    Dust    Sky    Conditions
    ------------------------------------------------------------------
     16:00    50    14     22   239  (WSW)   3724    clear     dust
     17:00    48    15     18   231   (SW)   3675    clear     dust
     18:00    47    15     21   240  (WSW)   3839    clear     dust
     19:00    43    12     15   234   (SW)   3414    clear     dust
     20:00    42    13     12   251  (WSW)   2820    clear     none
     21:00    41    14     11   263    (W)   2880    clear     none
     22:00    41    14     11   246  (WSW)   2826    clear     none
     23:00    42    10     11   266    (W)   2282    clear     none
     00:00    41    11      8   355    (N)   2564    clear     none
     01:00    41    11     15    29  (NNE)   2113    clear     none
     02:00    39    12      7   352    (N)   1516    clear     none
     03:00    39    15     10     1    (N)    662    clear     none
     04:00    38    15     13   359    (N)    581    clear     none
     05:00    37    17     13    36   (NE)    618    clear     none
     06:00    37    16      6    34   (NE)    618    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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