Subject: 3.5m Night Log 20220920
From: cgray@apo.nmsu.edu
Date: Wed, 21 Sep 2022 12:36:53 +0000 (UTC)
                      Apache Point Observatory
                      3.5m Telescope Night Log
                      Tuesday, September 20, 2022
PROG  PI ASTRONOMER      OBSERVER(S)
--------------------------------------------------------------------
UW02  S.Tuttle          S.Tuttle and class
UW05  A.Heinze          A.Heinze
                         ON-SKY
PROG  INSTRUMENT     START   FINISH
--------------------------------------------------------------------
UW02  arctic         20:43   21:20
UW02  echelle        21:25   21:54
UW02  kosmos         22:09   23:56
UW02  echelle        00:02   01:08
UW05  KOSMOS         01:12   06:15
   PROG       SCHEDULED      WEATH     EQUIP     OBS     NOT USED
 I/ROW/DTN  START  FINISH   D    B    D    B    D    B    D    B
-----------------------------------------------------------------
UW02/R      19:11  01:10   1.5   0    0    0   4.5  0.0   0    0
UW05/R      01:10  06:42    0    0    0    0   1.4  4.2   0    0
note: scheduled times listed include instrument change time
              ------------- ACTIVITY LOG --------------
Observing Specialist: C.Gray
dataq needed a reboot during the night.
The night started with clouds and high humidity but...when we had all given up hope...the clouds cleared! And the humidity dropped to safe enough levels to open! We were on the line all night but we made it until dawn. What's more, the seeing was really good! Sadly, there wasn't time for the eyepiece, but each student was able to take data!
                    ------- 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
--------------------------------------------------------------------------
 20:48 arctic   638( 1483)   0  60  14.4 16.8 16.4 16.7 15.1   sdss-r  1.01
 21:25 ecamera    557(  257) 154  43  14.7 15.8 15.7 15.3 14.7   ND1  1.01
 22:15 klow   445( 1156) 321  54  14.7 15.0 15.4 14.6 14.6   --  0.90
 00:02 ecamera    405(    7)   2  68  14.2 13.9 14.6 13.8 14.0   ND1  0.90
 01:21 kosmos   449( 1095)  17  54  14.3 13.7 14.2 13.7 14.0   --  1.50
               ------------- WEATHER LOG ----------------
                                   Wind                      Precip.or
     Time   Temp F Dewp F  MPH  Direction    Dust    Sky    Conditions
    ------------------------------------------------------------------
     16:00    65    54     17   204  (SSW)    522 mstly cldy   none
     17:00    61    53      7   135   (SE)    560 mstly cldy  humid
     18:00    61    51      2   244  (WSW)    522 mstly cldy  humid
     19:00    59    53     12   151  (SSE)    723  ptly cldy  humid
     20:00    59    53     15   146   (SE)        mstly clr   humid
     21:00    59    51     12   173    (S)    789    clear     none
     22:00    59    50     15   176    (S)    761 mstly clr    none
     23:00    58    52     14   156  (SSE)        mstly clr   humid
     00:00    57    52     13   182    (S)        mstly clr    none
     01:00    58    51     14   184    (S)        mstly clr   humid
     02:00    58    52     15   189    (S)    888 mstly clr   humid
     03:00    56    52     11   185    (S)         ptly cldy  humid
     04:00    56    52      7   188    (S)         ptly cldy  humid
     05:00    56    48     12   193  (SSW)         ptly cldy  humid
     06:00    56    49      7   192  (SSW)    786 mstly cldy  humid
     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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