Subject: 3.5m Night Log 20230507
From: ajt@apo.nmsu.edu
Date: Mon,  8 May 2023 11:51:12 +0000 (UTC)
                      Apache Point Observatory
                      3.5m Telescope Night Log
                      Sunday, May 07, 2023
PROG  PI ASTRONOMER      OBSERVER(S)
--------------------------------------------------------------------
NM09  A.Smith           A.Smith,E.Nielsen
JH01  Z.Rustamkulov     Z.Rustamkulov
                         ON-SKY
PROG  INSTRUMENT     START   FINISH
--------------------------------------------------------------------
NM09  ECHELLE        19:56   00:46
JH01  KOSMOS         00:50   05:23
   PROG       SCHEDULED      WEATH     EQUIP     OBS     NOT USED
 I/ROW/DTN  START  FINISH   D    B    D    B    D    B    D    B
-----------------------------------------------------------------
NM09/R      19:58  00:50    0    0    0    0   2.4  2.5   0    0
JH01/R      00:50  01:10    0    0    0    0   0.0  0.3   0    0
JH01/R      01:10  06:01    0    0    0    0   0.0  4.8   0    0
note: scheduled times listed include instrument change time
              ------------- ACTIVITY LOG --------------
Observing Specialist: A.Townsend
We had thin clouds after 20:00 which got a little worse before they got better, but never terrible.
KOSMOS returned timed out errors when Stop button was pressed during exposure readout. Then a test bias failed with "not connected to torrent". Luckily, 'kosmos conndev' solved the problem immediately.
01:12 KOSMOS focused at high airmass
Temperature around 15C in the evening down to 9C by morning; humidity rose from 10 to 20%.
                    ------- 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
--------------------------------------------------------------------------
 20:04 ecamera    497(   80) -36  55  10.0 13.4 13.7 12.9 12.8   ND3  0.73
 01:12 kosmos   450(  969) 109  16  10.0 10.2 11.1 10.2 10.5   --  2.50
               ------------- WEATHER LOG ----------------
                                   Wind                      Precip.or
     Time   Temp F Dewp F  MPH  Direction    Dust    Sky    Conditions
    ------------------------------------------------------------------
     16:00                 14   233   (SW)   1083    clear     none
     17:00                 12   258  (WSW)   1217    clear     none
     18:00                 18   254  (WSW)   1132    clear     none
     19:00                 14   261    (W)   1210    clear     none
     20:00                 14   262    (W)   1214 mstly clr    none
     21:00                 15   264    (W)   1275 mstly clr    none
     22:00                 16   266    (W)   1197 mstly clr    none
     23:00                 13   274    (W)   1209  ptly cldy   none
     00:00                 13   276    (W)   1270  ptly cldy   none
     01:00                 20   294  (WNW)   1174  ptly cldy   none
     02:00                 16   293  (WNW)   1257  ptly cldy   none
     03:00                 13   315   (NW)   1187 mstly clr    none
     04:00                  9   301  (WNW)   1133 mstly clr    none
     05:00                  7   348  (NNW)   1161    clear     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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