Subject: 3.5m Night Log 20220725
From: mcmillan@apo.nmsu.edu
Date: Tue, 26 Jul 2022 11:43:24 +0000 (UTC)
                      Apache Point Observatory
                      3.5m Telescope Night Log
                      Monday, July 25, 2022
PROG  PI ASTRONOMER      OBSERVER(S)
--------------------------------------------------------------------
NM02  K.Sanderson       K.Sanderson
GS01  M.Crenshaw        M.Crenshaw+students
                         ON-SKY
PROG  INSTRUMENT     START   FINISH
--------------------------------------------------------------------
NM02  KOSMOS         22:51   00:31
GS01  KOSMOS         03:30   04:30
GS01  Echelle        04:30   06:04
   PROG       SCHEDULED      WEATH     EQUIP     OBS     NOT USED
 I/ROW/DTN  START  FINISH   D    B    D    B    D    B    D    B
-----------------------------------------------------------------
NM02/R      20:15  01:10   3.2   0    0    0   1.7  0.0   0    0
GS01/R      01:10  06:04   2.4   0    0    0   0.5  3.0   0    0
note: scheduled times listed include instrument change time
              ------------- ACTIVITY LOG --------------
Observing Specialist: R.McMillan
We had rain, clouds, and threat of rain for much of the night, but we were able to open for a few clear patches to get some possibly-useful data and/or observing practice.
                    ------- 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
--------------------------------------------------------------------------
 23:15 kosmos   450( 1470) 240  66  17.0 17.4 17.7 17.3 17.1   -  1.28
 03:38 khigh   286( 1189) -63  45  15.6 14.7 15.0 14.7 14.9   -  2.02
               ------------- WEATHER LOG ----------------
                                   Wind                      Precip.or
     Time   Temp F Dewp F  MPH  Direction    Dust    Sky    Conditions
    ------------------------------------------------------------------
     16:00    70    48      8   240  (WSW)   1998 mstly cldy lt rain
     17:00    67    47     19   212  (SSW)   1515   cloudy     rain
     18:00    67    47      5   221   (SW)   1610   cloudy     rain
     19:00    63    49      5   189    (S)   1743   cloudy   lt rain
     20:00    63    50     12   147  (SSE)   1652   cloudy   lt rain
     21:00    62    48     13   143   (SE)   1438 mstly cldy   none
     22:00    62    47      4   183    (S)   1126  ptly cldy   none
     23:00    61    47      5   187    (S)   1470  ptly cldy   none
     00:00    61    46      9   189    (S)   1168  ptly cldy   none
     01:00    58    48     11   184    (S)   1165 mstly cldy   none
     02:00    56    48     22   153  (SSE)   1219  ptly cldy   none
     03:00    55    46      9   148  (SSE)    774  ptly cldy   none
     04:00    57    43      3   215   (SW)    457  ptly cldy   none
     05:00    57    47      7   197  (SSW)    718  ptly cldy   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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