Subject: 3.5m Night Log 20220825
From: dembicky@apo.nmsu.edu
Date: Fri, 26 Aug 2022 12:27:16 +0000 (UTC)
                      Apache Point Observatory
                      3.5m Telescope Night Log
                      Thursday, August 25, 2022
PROG  PI ASTRONOMER      OBSERVER(S)
--------------------------------------------------------------------
CU04  A.Kowalski        A.Kowalski
NM05  J.Burchett        J.Burchett, P.Holguin
                         ON-SKY
PROG  INSTRUMENT     START   FINISH
--------------------------------------------------------------------
CU04  ARCTIC         20:30   01:03
NM05  KOSMOS         01:18   06:03
   PROG       SCHEDULED      WEATH     EQUIP     OBS     NOT USED
 I/ROW/DTN  START  FINISH   D    B    D    B    D    B    D    B
-----------------------------------------------------------------
CU04/R      19:45  01:10   0.8   0    0    0   4.6  0.0   0    0
NM05/R      01:10  06:26    0    0    0    0   4.5  0.7   0    0
note: scheduled times listed include instrument change time
              ------------- ACTIVITY LOG --------------
Observing Specialist: J.Dembicky
Clouds delayed opening at the start of the night.
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
--------------------------------------------------------------------------
 20:38 arctic   448( 1218)  -2  57  12.4 15.3 14.7 15.2 13.0   4170  1.24
 20:41 NA2gdr -2065(35934)  -4  57  12.2 15.1 14.6 14.9 12.9   R  1.26
 21:28 arctic   423( 1092) 141  71  12.1 13.2 13.4 12.9 12.4   4170  1.29
 22:52 arctic   335(  934) 190  76  11.6 11.8 12.3 11.6 11.5   4170  1.14
 01:32 kosmos   360(  881)  -2  59  11.5 11.1 11.7 11.1 11.3   --  0.75
               ------------- WEATHER LOG ----------------
                                   Wind                      Precip.or
     Time   Temp F Dewp F  MPH  Direction    Dust    Sky    Conditions
    ------------------------------------------------------------------
     16:00    60    50      3   221   (SW)    646   cloudy     none
     17:00    58    49      3   206  (SSW)    603   cloudy     none
     18:00    59    49      5   231   (SW)    600   cloudy     none
     19:00    57    49      1   143   (SE)    540 mstly cldy   none
     20:00    55    48     10    84    (E)    592  ptly cldy   none
     21:00    54    46     11    87    (E)    576 mstly clr    none
     22:00    54    45     11    88    (E)    551    clear     none
     23:00    53    44      9   102  (ESE)    528    clear     none
     00:00    53    43     10    96    (E)    483    clear     none
     01:00    53    43      7    94    (E)    557 mstly clr    none
     02:00    53    47      5   107  (ESE)        mstly clr    none
     03:00    53    48      5   102  (ESE)        mstly clr    none
     04:00    54    44      6    83    (E)    752 mstly clr    none
     05:00    53    45      6    83    (E)    781 mstly clr    none
     06:00    54    45      1   311   (NW)    623 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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