Subject: 3.5m Night Log 20240717
From: ajt@apo.nmsu.edu
Date: Thu, 18 Jul 2024 10:58:03 +0000 (UTC)
                      Apache Point Observatory
                      3.5m Telescope Night Log
                      Wednesday, July 17, 2024
PROG  PI ASTRONOMER      OBSERVER(S)
--------------------------------------------------------------------
NM06  A.Peck            E.Nielsen,B.Roberson
CU01  Y.Notsu           Y.Notsu
                         ON-SKY
PROG  INSTRUMENT     START   FINISH
--------------------------------------------------------------------
NM06  ECHELLE        --:--   --:--
CU01  ARCTIC         --:--   --:--
   PROG       SCHEDULED      WEATH     EQUIP     OBS     NOT USED
 I/ROW/DTN  START  FINISH   D    B    D    B    D    B    D    B
-----------------------------------------------------------------
NM06/R      20:20  01:10    0   4.8   0    0   0.0  0.0   0    0
CU01/R      01:10  06:00   2.9  1.9   0    0   0.0  0.0   0    0
note: scheduled times listed include instrument change time
              ------------- ACTIVITY LOG --------------
Observing Specialist: A.Townsend
Lots of radar! Clouds, dust, wind, and humidity. We finally got a little bit of rain after 03:00, but not much. We did not open, and gave up around 03:45.
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
--------------------------------------------------------------------------
               ------------- WEATHER LOG ----------------
                                   Wind                      Precip.or
     Time   Temp F Dewp F  MPH  Direction    Dust    Sky    Conditions
    ------------------------------------------------------------------
     16:00    72    40      6    72  (ENE)   3427  ptly cldy   none
     17:00    71    42      9   142   (SE)   3416  ptly cldy   none
     18:00    68    42     11   106  (ESE)   3606  ptly cldy   none
     19:00    67    42     12    72  (ENE)   3656   cloudy     none
     20:00    65    43      9    97    (E)   4073   cloudy     dust
     21:00    64    43     18    85    (E)   4515   cloudy     dust
     22:00    62    47     12    84    (E)   6109   cloudy     dust
     23:00    57    51     28    78  (ENE)   6670   cloudy     dust
     00:00    55    51     26    78  (ENE)   3817   cloudy    humid
     01:00    55    49     23    57  (ENE)   3333   cloudy    humid
     02:00    54    50     25    71  (ENE)          cloudy    humid
     03:00    53    49     23    68  (ENE)          cloudy   lt rain
     04:00    52    48     21    62  (ENE)          cloudy    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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Current HUB version: v20171231_01
Current TUI version: 3.1.5