Subject: 3.5m Night Log 20220611
From: ajt@apo.nmsu.edu
Date: Sun, 12 Jun 2022 12:20:49 +0000 (UTC)
                      Apache Point Observatory
                      3.5m Telescope Night Log
                      Saturday, June 11, 2022
PROG  PI ASTRONOMER      OBSERVER(S)
--------------------------------------------------------------------
NM07  E.Nielsen         E.Nielsen,H.Gallamore
JH03  R.Angulo          R.Angulo,Q.Wang
                         ON-SKY
PROG  INSTRUMENT     START   FINISH
--------------------------------------------------------------------
NM07  ECHELLE        00:57   01:11
JH03  ARCTIC         1:18    05:22
   PROG       SCHEDULED      WEATH     EQUIP     OBS     NOT USED
 I/ROW/DTN  START  FINISH   D    B    D    B    D    B    D    B
-----------------------------------------------------------------
NM07/R      20:20  01:10    0   4.6    0    0   0.0  0.2   0    0
JH03/R      01:10  05:46    0    0     0    0   1.5  3.1   0    0
note: scheduled times listed include instrument change time
              ------------- ACTIVITY LOG --------------
Observing Specialist: A.Townsend
The mirror covers had trouble closing once when I tested them during checkout, but closed up ok after that.
We stayed closed for most of A-half mostly due to radar but opened for the last few minutes when it finally cleared up. NM07 valiantly observed a few bright stars through relatively thick clouds very quickly. I only did a very rough focus with ecam to get on sky as quickly as possible.
The clouds mostly cleared up over B-half, and the rest of the night went smoothly.
                    ------- 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
--------------------------------------------------------------------------
 01:29 arctic   166( 1389)  89  47  20.5 20.6 22.7 20.2 20.1   SDSS_r  1.42
               ------------- WEATHER LOG ----------------
                                   Wind                      Precip.or
     Time   Temp F Dewp F  MPH  Direction    Dust    Sky    Conditions
    ------------------------------------------------------------------
     16:00    80    26     22   233   (SW)   2231    clear     none
     17:00    82    27     11   265    (W)   1969    clear     none
     18:00    80    25     13   258  (WSW)   1871    clear     none
     19:00    78    30     12   272    (W)   2190    clear     none
     20:00    73    29      8   291  (WNW)   2229  ptly cldy   none
     21:00    73    29      7   263    (W)   2388 mstly cldy   none
     22:00    69    32     11    20  (NNE)   2235 mstly cldy   none
     23:00    69    32     12     4    (N)   2397 mstly cldy   none
     00:00    69    32     10    14  (NNE)   1995 mstly cldy   none
     01:00    68    31     10     6    (N)   1583  ptly cldy   none
     02:00    68    31      1    28  (NNE)   1644  ptly cldy   none
     03:00    69    31      6   275    (W)   2136 mstly clr    none
     04:00    69    31      2   242  (WSW)   1823 mstly clr    none
     05:00    66    31      2   322   (NW)   2394 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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