Subject: 3.5m Night Log 20240612
From: cgray@apo.nmsu.edu
Date: Thu, 13 Jun 2024 11:18:32 +0000 (UTC)
                      Apache Point Observatory
                      3.5m Telescope Night Log
                      Wednesday, June 12, 2024
PROG  PI ASTRONOMER      OBSERVER(S)
--------------------------------------------------------------------
UW04  P.Szkody          P.Szkody
NM11  T.McQuaid         T.McQuaid, J.Burchett
                         ON-SKY
PROG  INSTRUMENT     START   FINISH
--------------------------------------------------------------------
UW04  KOSMOS         20:21   23:58
NM11  ECHELLE        00:01   05:03
   PROG       SCHEDULED      WEATH     EQUIP     OBS     NOT USED
 I/ROW/DTN  START  FINISH   D    B    D    B    D    B    D    B
-----------------------------------------------------------------
UW04/R      20:21  01:10    0    0    0    0   0.1  4.7   0    0
NM11/O      01:10  05:46    0    0    0    0   4.6  0.0   0    0
note: scheduled times listed include instrument change time
              ------------- ACTIVITY LOG --------------
Observing Specialist: C.Gray
The night started out with thunderstorms to the east and north again but they stayed on the other side of the ridge so I opened without delay. The wind could not decide if it was blowing from the east or the west, so the seeing was either great or awful.
No problems tonight.
                    ------- 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
--------------------------------------------------------------------------
 21:07 khigh   225( 1640) 159  55  20.5 22.6 22.2 21.6 21.4   --  0.80
 01:07 ecamera    376(  579)  55  43  20.1 18.9 19.6 18.8 19.1   clear  2.08
 02:16 ecamera    401(  610)  36  53  20.6 19.2 19.9 19.0 19.7   clear  0.82
               ------------- WEATHER LOG ----------------
                                   Wind                      Precip.or
     Time   Temp F Dewp F  MPH  Direction    Dust    Sky    Conditions
    ------------------------------------------------------------------
     16:00    74    29     13   340  (NNW)   1108 mstly clr    none
     17:00    76    32     15   291  (WNW)   1285 mstly clr    none
     18:00    75    31      8   289  (WNW)   1295 mstly clr    none
     19:00    75    31     11   314   (NW)   1299 mstly clr    none
     20:00    72    32      5   274    (W)   1398 mstly clr    none
     21:00    70    34      1   137   (SE)   1335 mstly clr    none
     22:00    68    34      1   205  (SSW)   1622 mstly clr    none
     23:00    68    33      3   203  (SSW)   1650 mstly clr    none
     00:00    67    37      2   139   (SE)   1598 mstly clr    none
     01:00    67    38      1   196  (SSW)   1724  ptly cldy   none
     02:00    69    35     11   231   (SW)   1969 mstly clr    none
     03:00    69    34      7   200  (SSW)   2217 mstly clr    none
     04:00    67    34      7   187    (S)   2539 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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