Subject: 3.5m Night Log 20240422
From: cgray@apo.nmsu.edu
Date: Tue, 23 Apr 2024 12:26:15 +0000 (UTC)
                      Apache Point Observatory
                      3.5m Telescope Night Log
                      Monday, April 22, 2024
PROG  PI ASTRONOMER      OBSERVER(S)
--------------------------------------------------------------------
AP02  S.Merkowitz       R.McMillan,C.Gray, A.Townsend, J.Dembicky, M.Croom
UW02  P.Yoachim         J.Jiang
UW05  C.Orion           C.Orion
                         ON-SKY
PROG  INSTRUMENT     START   FINISH
--------------------------------------------------------------------
AP02  APOLLO         19:47   22:09
UW02  KOSMOS         22:12   01:02
UW05  ARCTIC         01:16   06:00
   PROG       SCHEDULED      WEATH     EQUIP     OBS     NOT USED
 I/ROW/DTN  START  FINISH   D    B    D    B    D    B    D    B
-----------------------------------------------------------------
AP02/R      19:47  22:10    0    0    0    0   0.0  2.4   0    0
UW02/R      22:10  01:10    0    0    0    0   0.0  3.0   0    0
UW05/R      01:10  06:15    0    0    0    0   0.1  5.0   0    0
note: scheduled times listed include instrument change time
              ------------- ACTIVITY LOG --------------
Observing Specialist: C.Gray, M.Croom
It was all hands on deck for tonight's APOLLO training! We were able to do a couple runs with the laser, but then things got too hot. Russet looked at the chiller and found it was frozen and must have occurred a day or two ago. Mark was the obs spec during the laser training and I took over at 22:00.
The sky was clear for the laser but we had high, thin clouds for the rest of the night, none of which caused any issues and we had good seeing.
                    ------- 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
--------------------------------------------------------------------------
 22:47 kosmos   327( 1179)  63  43  10.2 10.4 10.9 10.0 10.4   --  0.90
 01:33 arctic   415( 1308)   2  57  11.4 10.4 11.0 10.3 10.9   sdss-r  0.82
               ------------- WEATHER LOG ----------------
                                   Wind                      Precip.or
     Time   Temp F Dewp F  MPH  Direction    Dust    Sky    Conditions
    ------------------------------------------------------------------
     16:00    60    24     18   223   (SW)   1517    clear     none
     17:00    59    24     14   264    (W)   1182    clear     none
     18:00    59    26     13   258  (WSW)   1160    clear     none
     19:00    55    25     10   262    (W)   1213    clear     none
     20:00    51    27      8   210  (SSW)   1149    clear     none
     21:00    51    26      9   191    (S)   1179 mstly clr    none
     22:00    51    25     13   214   (SW)   1302 mstly clr    none
     23:00    51    30      9   218   (SW)   1792 mstly clr    none
     00:00    52    25      6   259    (W)   1375 mstly clr    none
     01:00    52    25     11   248  (WSW)   1415 mstly clr    none
     02:00    52    28     15   237  (WSW)   1521 mstly clr    none
     03:00    51    30     13   232   (SW)   1591 mstly clr    none
     04:00    51    32      9   187    (S)   2040 mstly clr    none
     05:00    51    33     17   201  (SSW)   1607 mstly clr    none
     06:00    49    32     12   228   (SW)   1397 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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