Subject: 3.5m Night Log 20221001
From: mcmillan@apo.nmsu.edu
Date: Sun,  2 Oct 2022 13:27:15 +0000 (UTC)
                      Apache Point Observatory
                      3.5m Telescope Night Log
                      Saturday, October 01, 2022
PROG  PI ASTRONOMER      OBSERVER(S)
--------------------------------------------------------------------
GS01  M.Crenshaw        J.Falcone,Z.Chapman
JH08  C.Lisse           B.Bolin,C.Lisse
                         ON-SKY
PROG  INSTRUMENT     START   FINISH
--------------------------------------------------------------------
GS01  KOSMOS         19:02   20:36
JH08  ARCTIC         01:07   03:57
JH08  ARCTIC         05:31   06:50
   PROG       SCHEDULED      WEATH     EQUIP     OBS     NOT USED
 I/ROW/DTN  START  FINISH   D    B    D    B    D    B    D    B
-----------------------------------------------------------------
GS01/R      18:56  01:10   2.2  2.6   0    0   0.0  1.5   0    0
JH08/R      01:10  06:50   2.3   0    0    0   3.4  0.0   0    0
note: scheduled times listed include instrument change time
              ------------- ACTIVITY LOG --------------
Observing Specialist: R.McMillan
After sleet (!) in the afternoon, conditions improved around sunset and the observers were able to get a little data.  Then clouds and ambiguous radar signals kept us closed for a while.  By the time conditions improved it was too late for the first half observers to get more useful data, so we switched over to the second half program a bit early.  Then that program also lost some time to clouds and radar, but was able to finish up with exciting pictures of DART target Didymos!
                    ------- 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
--------------------------------------------------------------------------
 19:37 khigh   350(  885) 106  49   9.9 11.1 11.9 10.4  9.9   -  1.85
 00:57 arctic   385(  868)  61  67   9.5  9.3  9.7  9.3  9.3   sdss_r  0.94
               ------------- WEATHER LOG ----------------
                                   Wind                      Precip.or
     Time   Temp F Dewp F  MPH  Direction    Dust    Sky    Conditions
    ------------------------------------------------------------------
     16:00    59    32     14   198  (SSW)    891   cloudy     rain
     17:00    54    31      6    93    (E)    985  ptly cldy   none
     18:00    52    31     13    80    (E)    993 mstly clr    none
     19:00    50    32     15    98    (E)   1030    clear     none
     20:00    50    31     15    96    (E)   1096  ptly cldy   none
     21:00    50    31     18    85    (E)   1158 mstly cldy   none
     22:00    50    31     13    93    (E)   1401 mstly cldy   none
     23:00    50    31     15    77  (ENE)   1532  ptly cldy   none
     00:00    49    30     11    86    (E)   1583 mstly clr    none
     01:00    49    31     11    85    (E)   1468 mstly clr    none
     02:00    48    31     11    91    (E)   1595  ptly cldy   none
     03:00    49    31      8    90    (E)   1340 mstly cldy   none
     04:00    49    31     12   111  (ESE)   1236 mstly cldy lt rain
     05:00    49    31     12   119  (ESE)   1227 mstly clr    none
     06:00    48    29     12   129   (SE)   1158 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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