Subject: 3.5m Night Log 20240622
From: dembicky@apo.nmsu.edu
Date: Sun, 23 Jun 2024 11:59:19 +0000 (UTC)
                      Apache Point Observatory
                      3.5m Telescope Night Log
                      Saturday, June 22, 2024
PROG  PI ASTRONOMER      OBSERVER(S)
--------------------------------------------------------------------
NM07  W.Roberson        B.Robertson, E.Sanchez
GS02  D.Gies            K.Shepard
                         ON-SKY
PROG  INSTRUMENT     START   FINISH
--------------------------------------------------------------------
NM07  ECHELLE        23:30   01:10
GS02  ECHELLE        01:10   02:50
GS02  ECHELLE        04:50   05:40
   PROG       SCHEDULED      WEATH     EQUIP     OBS     NOT USED
 I/ROW/DTN  START  FINISH   D    B    D    B    D    B    D    B
-----------------------------------------------------------------
NM07/R      20:24  01:10   1.0  2.1   0    0   0.0  1.7   0    0
GS02/R      01:10  05:47    0   2.0   0    0   0.0  2.6   0    0
note: scheduled times listed include instrument change time
              ------------- ACTIVITY LOG --------------
Observing Specialist: J.Dembicky
I worked on getting KOSMOS running again but ran into a roadblock.  Email with details of my attempts sent to Bill.
Weather kept us closed until 23:30 when it looked like a break was occurring.  I opened and the break closed about 15 mins later with clouds forming and moving over us.  We struggled through until 02:50 when I opted to keep the dome open but close the covers.  I didn't see precipitation nearby but we weren't getting any useful data and I felt it safer to at least have the covers closed just in case.  We re-opened for the last hour of the night.
                    ------- 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
--------------------------------------------------------------------------
 23:44 ecamera    452(  540)  26  54  15.1 16.6 16.6 16.4 15.5   ND2  1.14
 01:13 ecamera    424(  456)  73  52  15.1 15.3 15.6 15.3 15.2   ND1  1.24
               ------------- WEATHER LOG ----------------
                                   Wind                      Precip.or
     Time   Temp F Dewp F  MPH  Direction    Dust    Sky    Conditions
    ------------------------------------------------------------------
     16:00    64    53      4   254  (WSW)   2630   cloudy     none
     17:00    67    52      2   276    (W)   1910   cloudy     none
     18:00    64    51      8   134   (SE)   1541   cloudy   lt rain
     19:00    59    56     18    72  (ENE)   2186   cloudy   lt rain
     20:00    60    52     12   119  (ESE)   1386   cloudy   lt rain
     21:00    62    49      8   179    (S)   1149   cloudy     none
     22:00    62    50      9   117  (ESE)   1344   cloudy     none
     23:00    60    51     11   106  (ESE)   1356  ptly cldy   none
     00:00    59    50      9   116  (ESE)   1442 mstly cldy   none
     01:00    60    48      7   125   (SE)   1336 mstly cldy   none
     02:00    61    49      2   155  (SSE)   1412 mstly cldy   none
     03:00    60    48      2   126   (SE)   1348 mstly cldy   none
     04:00    61    49      6   218   (SW)   1341  ptly cldy   none
     05:00    59    48      5   184    (S)   1325 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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