Subject: 3.5m Night Log 20220207
From: ajt@apo.nmsu.edu
Date: Tue,  8 Feb 2022 13:43:41 +0000 (UTC)
                      Apache Point Observatory
                      3.5m Telescope Night Log
                      Monday, February 07, 2022
PROG  PI ASTRONOMER      OBSERVER(S)
--------------------------------------------------------------------
AP01  S.Merkowitz       R.McMillan
GS02  D.Gies            K.Shepard
OU01  J.Wisniewski      S.Jones,G.Stefansson
                         ON-SKY
PROG  INSTRUMENT     START   FINISH
--------------------------------------------------------------------
AP01  APOLLO         17:50   19:00
GS02  ECHELLE        19:05   00:11
OU01  ARCTIC         00:17   06:15
   PROG       SCHEDULED      WEATH     EQUIP     OBS     NOT USED
 I/ROW/DTN  START  FINISH   D    B    D    B    D    B    D    B
-----------------------------------------------------------------
AP01/R      17:50  18:50    0    0    0    0   0.0  1.0   0    0
GS02/R      18:50  00:10    0    0    0    0   0.0  5.3   0    0
OU01/R      00:10  06:44    0    0    0    0   6.2  0.4   0    0
note: scheduled times listed include instrument change time
              ------------- ACTIVITY LOG --------------
Observing Specialist: A.Townsend
We had clear weather but mediocre seeing for most of the night.
No telescope or instrument 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
--------------------------------------------------------------------------
 17:51 APOLLO     350( 1193)  59  63  -5.0 -1.8 -3.3 -3.2 -3.1   530  2.20
 19:08 ecamera    362( -667) -79  60  -3.6 -3.8 -3.7 -4.2 -3.8   ND4  1.37
 01:01 arctic   434(  629) 109  23  -0.5 -1.8 -2.2 -2.8 -1.7   SDSS_g  2.73
 01:40 NA2gdr -5998(35001) 105  30  -1.3 -1.7 -2.0 -2.6 -1.8   Clear  4.50
               ------------- WEATHER LOG ----------------
                                   Wind                      Precip.or
     Time   Temp F Dewp F  MPH  Direction    Dust    Sky    Conditions
    ------------------------------------------------------------------
     16:00    31    18      6   281    (W)    278    clear     none
     17:00    25    17      2   252  (WSW)    336    clear     none
     18:00    23    17      3    22  (NNE)    437    clear     none
     19:00    26    10      1   123  (ESE)    252    clear     none
     20:00    28     4      1   291  (WNW)    192    clear     none
     21:00    27     3      0   229   (SW)    151    clear     none
     22:00    24     5      1   247  (WSW)    145    clear     none
     23:00    25    -5      8     6    (N)    215    clear     none
     00:00    29    -9     10    24  (NNE)     84    clear     none
     01:00    30   -14      5   356    (N)    121    clear     none
     02:00    29   -14      9    56   (NE)    117    clear     none
     03:00    29   -15      9    48   (NE)    105    clear     none
     04:00    30    -7      7     1    (N)     68    clear     none
     05:00    33    -7     14   348  (NNW)     72    clear     none
     06:00    32    -5     12   355    (N)     84    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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