Subject: 3.5m Night Log 20220302
From: mcmillan@apo.nmsu.edu
Date: Thu,  3 Mar 2022 13:58:55 +0000 (UTC)
                      Apache Point Observatory
                      3.5m Telescope Night Log
                      Wednesday, March 02, 2022
PROG  PI ASTRONOMER      OBSERVER(S)
--------------------------------------------------------------------
NM04  K.Sanderson       K.Sanderson,A.Dijeau
OU02  J.DerKacy         J.DerKacy,Z.Yarbrough
CG01  C.Gray            C.Gray
                         ON-SKY
PROG  INSTRUMENT     START   FINISH
--------------------------------------------------------------------
NM04  DIS            18:40   00:10
OU02  DIS            00:10   04:35
CG01  Echelle        04:36   06:24
   PROG       SCHEDULED      WEATH     EQUIP     OBS     NOT USED
 I/ROW/DTN  START  FINISH   D    B    D    B    D    B    D    B
-----------------------------------------------------------------
NM04/R      18:10  00:10    0    0    0    0   5.9  0.1   0    0
OU02/R      00:10  04:35    0    0    0    0   4.4  0.0   0    0
CG01/R      04:35  06:20    0    0    0    0   1.7  0.0   0    0
note: scheduled times listed include instrument change time
              ------------- ACTIVITY LOG --------------
Observing Specialist: C.Gray, R.McMillan
Clear first half, with high clouds increasing during second half. but seeing did get better.  Noticeable improvement in KOSMOS slits, no problems.
                    ------- 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
--------------------------------------------------------------------------
 23:51 kosmos   253(  751)  27  59   7.8  6.3  7.1  6.0  6.6   --  1.93
 00:11 kosmos   361(  851) -77  74   8.1  6.3  7.1  5.9  6.6   --  1.09
 04:42 ecamera    360( -227)  56  60   7.8  5.6  6.5  5.2  5.9   ND2  0.89
               ------------- WEATHER LOG ----------------
                                   Wind                      Precip.or
     Time   Temp F Dewp F  MPH  Direction    Dust    Sky    Conditions
    ------------------------------------------------------------------
     16:00    52    12      8   253  (WSW)   1033    clear     none
     17:00    52     9     10   237  (WSW)    922    clear     none
     18:00    48     8      1   209  (SSW)    980    clear     none
     19:00    46     8      9   146   (SE)    932    clear     none
     20:00    46     9     10   143   (SE)   1043    clear     none
     21:00    44    10      9   128   (SE)   1142    clear     none
     22:00    44    11      9   127   (SE)   1281    clear     none
     23:00    45     7      2   197  (SSW)    734 mstly clr    none
     00:00    46     8      3   211  (SSW)    994 mstly clr    none
     01:00    46     9      3   219   (SW)   1057 mstly clr    none
     02:00    46    10      4   216   (SW)   1185 mstly clr    none
     03:00    46     7      2   201  (SSW)    997  ptly cldy   none
     04:00    45     5      1   226   (SW)    814  ptly cldy   none
     05:00    46     1      1   211  (SSW)    446  ptly cldy   none
     06:00    45     1      2   214   (SW)    357  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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