Subject: 3.5m Night Log 20221222
From: mcmillan@apo.nmsu.edu
Date: Fri, 23 Dec 2022 13:26:24 +0000 (UTC)
                      Apache Point Observatory
                      3.5m Telescope Night Log
                      Thursday, December 22, 2022
PROG  PI ASTRONOMER      OBSERVER(S)
--------------------------------------------------------------------
FG02  D.Buzasi          D.Buzasi
BY01  B.Boizelle        B.Boizelle,M.Joner
CU02  B.Oppenheimer     M.Croom
                         ON-SKY
PROG  INSTRUMENT     START   FINISH
--------------------------------------------------------------------
FG02  ECHELLE        17:14   22:21
BY01  TripleSpec     22:24   23:58
CU02  DIS            00:24   05:54
   PROG       SCHEDULED      WEATH     EQUIP     OBS     NOT USED
 I/ROW/DTN  START  FINISH   D    B    D    B    D    B    D    B
-----------------------------------------------------------------
FG02/R      17:11  22:25    0    0    0    0   5.2  0.0   0    0
BY01/R      22:25  00:10    0    0    0    0   1.7  0.0   0    0
CU02/R      00:10  06:54    0    0   0.2   0   6.7  0.0   0    0
note: scheduled times listed include instrument change time
              ------------- ACTIVITY LOG --------------
Observing Specialist: R.McMillan
The night started out clear and lovely, but thin clouds moved in mid-evening.  Thicker clouds threatened durig second half but mostly dissipated or moved aroud APO, so data-taking was never interrupted .
I had difficulty mounting KOSMOS, which cost some extra time.
                    ------- FAILURE LOG -------
              FAILURE MODE     TIME
PROG   INSTR     TI/SHU    START  FINISH  DESCRIPTION
----------------------------------------------------------------------
CU02    K         I/H     00:11  00:22    trouble mounting KOSMOS
            ---------------- FOCUS LOG ---------------
Time  Instrument  Focus     Az  El  Temp Strc Prim  Sec  Air  filt  FWHM
--------------------------------------------------------------------------
 17:22 ecamera    509( -282) -108  22  37.3  4.8  4.7  4.9  3.4   ND2  1.23
 22:29 tcamera    473(  738)  13  62  37.3  1.4  2.8  2.1  2.0   Ks  0.97
 00:33 kosmos   489(  531) 171  46  37.3  0.7  1.7  1.0  1.2   -  1.10
               ------------- WEATHER LOG ----------------
                                   Wind                      Precip.or
     Time   Temp F Dewp F  MPH  Direction    Dust    Sky    Conditions
    ------------------------------------------------------------------
     16:00    99    32      7   313   (NW)    260    clear     none
     17:00    99    32      7   267    (W)    263    clear     none
     18:00    99    32     11   220   (SW)    257    clear     none
     19:00    99    32     10   258  (WSW)    313    clear     none
     20:00    99    32     11   270    (W)    274 mstly clr    none
     21:00    99    32     12   270    (W)    295 mstly clr    none
     22:00    99    32     14   274    (W)    379  ptly cldy   none
     23:00    99    32      7   262    (W)    532 mstly clr    none
     00:00    99    32     12   267    (W)    419    clear     none
     01:00    99    32      6   259    (W)    520    clear     none
     02:00    99    32     10   263    (W)    653  ptly cldy   none
     03:00    99    32      7   263    (W)    595 mstly clr    none
     04:00    99    32      9   285  (WNW)    402 mstly clr    none
     05:00    99    32     12   316   (NW)    504  ptly cldy   none
     06:00    99    32     15   333  (NNW)    276  ptly 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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