Subject: 3.5m Night Log 20250307
From: tsutherland@apo.nmsu.edu
Date: Sat,  8 Mar 2025 11:19:11 +0000 (UTC)
                      Apache Point Observatory
                      3.5m Telescope Night Log
                      Friday, March 07, 2025
PROG  PI ASTRONOMER      OBSERVER(S)
--------------------------------------------------------------------
CU01  K.Reardon         K.Reardon,Class
NM06  K.Sanderson       K.Sanderson
                         ON-SKY
PROG  INSTRUMENT     START   FINISH
--------------------------------------------------------------------
CU01  ECHELLE        --:--   --:--
NM06  KOSMOS         --:--   --:--
   PROG       SCHEDULED      WEATH     EQUIP     OBS     NOT USED
 I/ROW/DTN  START  FINISH   D    B    D    B    D    B    D    B
-----------------------------------------------------------------
CU01/R      18:14  00:10    0   5.9   0    0    0    0    0    0
NM06/R      00:10  06:14   3.1  2.9   0    0    0    0    0    0
note: scheduled times listed include instrument change time
              ------------- ACTIVITY LOG --------------
Observing Specialist: T.Sutherland,C.Gray
Radar, dust, and wind at the start of the night. Some light flurries in the middle of A-half. Humidity and dust kept us closed the rest of the night. Gave up around 4am.
No problems or anything tonight.
                    ------- 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
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               ------------- WEATHER LOG ----------------
                                   Wind                      Precip.or
     Time   Temp F Dewp F  MPH  Direction    Dust    Sky    Conditions
    ------------------------------------------------------------------
     16:00    40    13     27   226   (SW)  14368 mstly cldy   dust
     17:00    38    14     25   254  (WSW)  39089 mstly cldy   dust
     18:00    34    18     31   254  (WSW) 141794 mstly cldy   dust
     19:00    27    25     18   268    (W)        mstly cldy lt snow
     20:00    24    24     16   260    (W)        mstly cldy lt snow
     21:00    22    18     12   301  (WNW)        mstly cldy   dust
     22:00    22    13     12   285  (WNW)        mstly cldy   dust
     23:00    21    11     15   304   (NW)   8724    clear     dust
     00:00    20    14     25   294  (WNW)           clear     dust
     01:00    20    16     16   288  (WNW)         ptly cldy  humid
     02:00    19    17     12   306   (NW)         ptly cldy  humid
     03:00    19    18     14   295  (WNW)           clear    humid
     04:00    19    15     13   303  (WNW)           clear    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: 3.1.8