Subject: 3.5m Night Log 20230321
From: dembicky@apo.nmsu.edu
Date: Wed, 22 Mar 2023 11:04:21 +0000 (UTC)
                      Apache Point Observatory
                      3.5m Telescope Night Log
                      Tuesday, March 21, 2023
PROG  PI ASTRONOMER      OBSERVER(S)
--------------------------------------------------------------------
NM03  S.Ho              S.Ho
UW05  K.Suberlak        K.Suberlak
                         ON-SKY
PROG  INSTRUMENT     START   FINISH
--------------------------------------------------------------------
NM03  KOSMOS         20:00   21:00
UW05  KOSMOS         --:--   --:--
   PROG       SCHEDULED      WEATH     EQUIP     OBS     NOT USED
 I/ROW/DTN  START  FINISH   D    B    D    B    D    B    D    B
-----------------------------------------------------------------
NM03/R      19:24  01:10   4.2   0    0    0   1.4  0.2   0    0
UW05/R      01:10  06:56   5.8   0    0    0   5.8  0.0   0    0
note: scheduled times listed include instrument change time
              ------------- ACTIVITY LOG --------------
Observing Specialist: J.Dembicky
My observer was taking cals during twilight, but we could have opened.  We opened at the end of twilight for about an hour before the clouds got too thick to observe.  We never re-opened the rest of the night due to clouds.
                    ------- 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
--------------------------------------------------------------------------
 20:17 kosmos   792( 1096)   6  55  10.0  6.4  5.6  6.5  6.1   --  2.16
               ------------- WEATHER LOG ----------------
                                   Wind                      Precip.or
     Time   Temp F Dewp F  MPH  Direction    Dust    Sky    Conditions
    ------------------------------------------------------------------
     16:00                 25   258  (WSW)    765   cloudy     none
     17:00                 25   257  (WSW)   1036   cloudy     none
     18:00                 33   261    (W)   1165   cloudy     none
     19:00                 27   267    (W)    872 mstly cldy   none
     20:00                 23   259    (W)    802  ptly cldy   none
     21:00                 18   261    (W)    785   cloudy     none
     22:00                 24   257  (WSW)    638   cloudy     none
     23:00                 24   256  (WSW)    682   cloudy     none
     00:00                 13   250  (WSW)    892   cloudy     none
     01:00                 21   241  (WSW)    765   cloudy     none
     02:00                 24   237  (WSW)    953   cloudy     none
     03:00                 20   246  (WSW)    681   cloudy     none
     04:00                 22   241  (WSW)    644   cloudy     none
     05:00                 16   233   (SW)          cloudy     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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