Subject: 3.5m Night Log 20230629
From: cgray@apo.nmsu.edu
Date: Fri, 30 Jun 2023 10:56:47 +0000 (UTC)
                      Apache Point Observatory
                      3.5m Telescope Night Log
                      Thursday, June 29, 2023
PROG  PI ASTRONOMER      OBSERVER(S)
--------------------------------------------------------------------
LA01  M.Hoffmann        D.Thompson, R.Hill, M.Cecil, M.Hoffmann
GS02  D.Gies            K.Shepard
LA01  M.Hoffmann        D.Thompson, R.Hill, M.Cecil, M.Hoffmann
                         ON-SKY
PROG  INSTRUMENT     START   FINISH
--------------------------------------------------------------------
LA01  HSAR           20:59   22:38
GS02  ECHELLE        22:42   23:36
LA01  HSAR           --:--   --:--
   PROG       SCHEDULED      WEATH     EQUIP     OBS     NOT USED
 I/ROW/DTN  START  FINISH   D    B    D    B    D    B    D    B
-----------------------------------------------------------------
LA01/R      20:24  22:47    0   0.6   0    0   0.0  1.8   0    0
GS02/R      22:47  03:30    0   3.9   0    0   0.0  0.8   0    0
LA01/R      03:30  05:50   2.3   0    0    0   0.0  0.0   0    0
note: scheduled times listed include instrument change time
              ------------- ACTIVITY LOG --------------
Observing Specialist: C.Gray
The night started with virga and nearby radar, delaying our opening by about half an hour. Once we opened the clouds were a continual problem. Radar started popping back up a little before midnight and we closed again. We were not able to reopen.
No problems tonight.
                    ------- 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
--------------------------------------------------------------------------
 22:46 ecamera    378(  204) -143  59  17.7 18.6 18.9 18.1 17.5   Clear  1.80
               ------------- WEATHER LOG ----------------
                                   Wind                      Precip.or
     Time   Temp F Dewp F  MPH  Direction    Dust    Sky    Conditions
    ------------------------------------------------------------------
     16:00    69    51      3   243  (WSW)   2264  ptly cldy   none
     17:00    73    43     18   249  (WSW)   2268  ptly cldy   none
     18:00    73    41     12   261    (W)   2092  ptly cldy   none
     19:00    74    40     15   244  (WSW)   1938  ptly cldy   none
     20:00    68    41      7    81    (E)   1784 mstly cldy   none
     21:00    64    42      5   177    (S)   1883 mstly cldy   none
     22:00    64    40      3   114  (ESE)   1685 mstly clr    none
     23:00    64    40     13   138   (SE)   1735  ptly cldy   none
     00:00    64    41     13   155  (SSE)   1773 mstly cldy   none
     01:00    62    42     17   147  (SSE)   2214   cloudy     none
     02:00    64    40     15   181    (S)   3514   cloudy     none
     03:00    63    41     11   210  (SSW)   2926 mstly cldy   none
     04:00    62    40      7   250  (WSW)   2892 mstly 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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