Subject: 3.5m Night Log 20220624
From: ajt@apo.nmsu.edu
Date: Sat, 25 Jun 2022 11:37:51 +0000 (UTC)
                      Apache Point Observatory
                      3.5m Telescope Night Log
                      Friday, June 24, 2022
PROG  PI ASTRONOMER      OBSERVER(S)
--------------------------------------------------------------------
CU04  Y.Notsu           Y.Notsu
NM08  D.Bizyaev         D.Bizyaev
                         ON-SKY
PROG  INSTRUMENT     START   FINISH
--------------------------------------------------------------------
CU04  ECHELLE        21:01   01:08
NM08  DIS            01:12   01:59
   PROG       SCHEDULED      WEATH     EQUIP     OBS     NOT USED
 I/ROW/DTN  START  FINISH   D    B    D    B    D    B    D    B
-----------------------------------------------------------------
CU04/R      20:24  01:10  0.6    0    0    0   4.2  0.0   0    0
NM08/R      01:10  05:48  1.3   2.5   0    0   0.8  0.0   0    0
note: scheduled times listed include instrument change time
              ------------- ACTIVITY LOG --------------
Observing Specialist: A.Townsend
Power cycled DIS red ion pump controller to unfreeze it.
Nearby radar at sunset, so we held off a little while before opening.
It was mostly clear until about 01:00, and then we had nearby radar and had to close up for the rest of the night. We gave up around 04:00.
                    ------- 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
--------------------------------------------------------------------------
 21:06 ecamera    407(  452) 175  58  15.8 19.0 19.4 19.2 18.7   ND3  0.89
 01:16 dcamera    466( 1232)  99  46  15.6 15.4 16.1 15.2 15.5   --  1.05
               ------------- WEATHER LOG ----------------
                                   Wind                      Precip.or
     Time   Temp F Dewp F  MPH  Direction    Dust    Sky    Conditions
    ------------------------------------------------------------------
     16:00    67    46     13   264    (W)   1697 mstly clr    none
     17:00    68    45     13   236   (SW)   1805 mstly clr    none
     18:00    66    45      8   268    (W)   1520 mstly clr    none
     19:00    65    45      8   271    (W)   1690 mstly clr    none
     20:00    62    46      6   337  (NNW)   1763 mstly clr    none
     21:00    59    46      1   319   (NW)   1693 mstly clr    none
     22:00    60    45      6    88    (E)   1800 mstly clr    none
     23:00    61    45      1   111  (ESE)   1764 mstly clr    none
     00:00    61    45      1   124   (SE)   1709 mstly clr    none
     01:00    61    44      1   129   (SE)   1681  ptly cldy   none
     02:00    61    44      3   147  (SSE)   1901 mstly cldy   none
     03:00    60    45      3   233   (SW)   1685 mstly cldy   none
     04:00    58    45      5   119  (ESE)   1599 mstly cldy   none
     05:00    59    45      1   115  (ESE)   1725 mstly 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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