Subject: 3.5m Night Log 20240704
From: cgray@apo.nmsu.edu
Date: Fri,  5 Jul 2024 12:06:01 +0000 (UTC)
                      Apache Point Observatory
                      3.5m Telescope Night Log
                      Thursday, July 04, 2024
PROG  PI ASTRONOMER      OBSERVER(S)
--------------------------------------------------------------------
NM03  M.Croom           M.Croom
JH03  S.Gezari          M.Karmen
                         ON-SKY
PROG  INSTRUMENT     START   FINISH
--------------------------------------------------------------------
NM03  KOSMOS         22:46   01:04
JH03  KOSMOS         01:04   05:15
   PROG       SCHEDULED      WEATH     EQUIP     OBS     NOT USED
 I/ROW/DTN  START  FINISH   D    B    D    B    D    B    D    B
-----------------------------------------------------------------
NM03/R      20:24  01:10   2.5   0    0    0   2.3  0.0   0    0
JH03/R      01:10  05:52    0    0    0    0   4.2  0.5   0    0
note: scheduled times listed include instrument change time
              ------------- ACTIVITY LOG --------------
Observing Specialist: C.Gray
The night started with rain clouds around us and a delayed start, but we were able to open! The seeing was terrible!! No surprise given the east wind. The clouds were a bit of a bother during A half but they thankfully cleared during B. Otherwise, I don't think we would have ever found the targets!
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
--------------------------------------------------------------------------
 21:55 khigh    39( 1361)  64  35  19.0 20.2 20.6 20.4 18.5   --  2.59
 00:24 klow   156( 1316)  90  31  15.8 16.7 17.4 16.5 16.1   --  2.49
 02:35 klow   240( 1313)  66  58  15.6 15.3 16.0 15.2 15.4   --  2.26
               ------------- WEATHER LOG ----------------
                                   Wind                      Precip.or
     Time   Temp F Dewp F  MPH  Direction    Dust    Sky    Conditions
    ------------------------------------------------------------------
     16:00    61    45     22    65  (ENE)   1665 mstly clr    none
     17:00    69    40      9    88    (E)    807 mstly clr    none
     18:00    76    45      5   240  (WSW)    745 mstly clr    none
     19:00    75    42      3   295  (WNW)    770  ptly cldy   none
     20:00    72    38      2   267    (W)    671 mstly cldy   none
     21:00    71    37      1   121  (ESE)    735 mstly cldy   none
     22:00    67    41     15    76  (ENE)   1478 mstly clr    none
     23:00    67    41      2   238  (WSW)   1679 mstly clr    none
     00:00    64    47     13   129   (SE)   1651  ptly cldy   none
     01:00    62    46     17   136   (SE)   1340 mstly clr    none
     02:00    61    47     16   144   (SE)   1122    clear     none
     03:00    61    46     17   138   (SE)   1340    clear     none
     04:00    60    46     13   143   (SE)   1492    clear     none
     05:00    61    48     15   132   (SE)   1907    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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