Subject: 3.5m Night Log 20220820
From: decolib@apo.nmsu.edu
Date: Sun, 21 Aug 2022 09:04:21 +0000 (UTC)
                      Apache Point Observatory
                      3.5m Telescope Night Log
                      Saturday, August 20, 2022
PROG  PI ASTRONOMER      OBSERVER(S)
--------------------------------------------------------------------
UW11  P.Szkody          P.Szkody
NM05  J.Burchett        J.Burchett
AP01  S.Merkowitz       R.McMillan
                         ON-SKY
PROG  INSTRUMENT     START   FINISH
--------------------------------------------------------------------
UW11  DIS            --:--   --:--
NM05  KOSMOS         --:--   --:--
AP01  APOLLO         --:--   --:--
   PROG       SCHEDULED      WEATH     EQUIP     OBS     NOT USED
 I/ROW/DTN  START  FINISH   D    B    D    B    D    B    D    B
-----------------------------------------------------------------
UW11/R      19:51  01:10   5.3   0    0    0   0.0  0.0   0    0
NM05/R      01:10  05:22    0   4.2   0    0   0.0  0.0   0    0
AP01/R      05:22  06:22    0   1.0   0    0   0.0  0.0   0    0
note: scheduled times listed include instrument change time
              ------------- ACTIVITY LOG --------------
Observing Specialist: D.DeColibus
Agile heartbeat needed to be restarted at checkout.
The #0 dewar has a sticky valve; I had trouble getting it closed after filling the instruments during afternoon checkout.
It was raining, foggy, and the humidity was well above our limits the entire night, so we never opened. After consulting with Russet on the chances of opening before sunrise (0%) I called it a night at 3 AM.
                    ------- 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
--------------------------------------------------------------------------
               ------------- WEATHER LOG ----------------
                                   Wind                      Precip.or
     Time   Temp F Dewp F  MPH  Direction    Dust    Sky    Conditions
    ------------------------------------------------------------------
     16:00    54    32      2   295  (WNW)          cloudy     fog
     17:00    53    31     11   277    (W)          cloudy     rain
     18:00    53    30      7   271    (W)          cloudy    humid
     19:00    53    30      3   339  (NNW)          cloudy    humid
     20:00    52    28      3   275    (W)          cloudy    humid
     21:00    53    30      6   298  (WNW)         ptly cldy  humid
     22:00    53    29      4   335  (NNW)          cloudy    humid
     23:00    53    28      6   260    (W)          cloudy     fog
     00:00    53    32      3   207  (SSW)          cloudy   lt rain
     01:00    53    31      9   222   (SW)          cloudy     rain
     02:00    53    30     15   237  (WSW)          cloudy   lt rain
     03:00    53    30     12   241  (WSW)          cloudy     fog
     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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