Subject: 3.5m Night Log 20250401
From: mcroom@apo.nmsu.edu
Date: Wed,  2 Apr 2025 12:44:18 +0000 (UTC)
                      Apache Point Observatory
                      3.5m Telescope Night Log
                      Tuesday, April 01, 2025
PROG  PI ASTRONOMER      OBSERVER(S)
--------------------------------------------------------------------
UV01  Y.Zhou            J.Davidson
NM05  S.Ho              S.Ho
                         ON-SKY
PROG  INSTRUMENT     START   FINISH
--------------------------------------------------------------------
UV01  AGILE          --:--   --:--
NM05  KOSMOS         05:06   06:00
   PROG       SCHEDULED      WEATH     EQUIP     OBS     NOT USED
 I/ROW/DTN  START  FINISH   D    B    D    B    D    B    D    B
-----------------------------------------------------------------
UV01/R      19:32  01:10  1.4  4.3    0    0   0.0  0.0   0    0
NM05/R      01:10  06:41  3.9    0    0    0   1.6  0.0   0    0
note: scheduled times listed include instrument change time
              ------------- ACTIVITY LOG --------------
Observing Specialist: M.Croom
Support from Russet and Candace
Had to restart gcam at checkout.
We had a quick power flicker and the mirror covers had to be reset.
Dust levels were very high throughout A Half and we remained closed for dust and winds. UV01 observers got in some off-sky training on ARCTIC and AGILE, to the extent they could on AGILE.
Dust and winds dropped allowing a little on-sky time for NM05, although the seeing was not great.
No other issues 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
--------------------------------------------------------------------------
 05:30 kosmos  -200(   61) -106  66  -2.3 -0.8  0.2 -1.4 -2.1   -  2.36
               ------------- WEATHER LOG ----------------
                                   Wind                      Precip.or
     Time   Temp F Dewp F  MPH  Direction    Dust    Sky    Conditions
    ------------------------------------------------------------------
     16:00    50    24     29   248  (WSW)  26765   cloudy     dust
     17:00    50    25     45   238  (WSW)  39669   cloudy     dust
     18:00    49    28     36   262    (W)  74759   cloudy     dust
     19:00    48    25     34   263    (W) 121161   cloudy     dust
     20:00    47    25     29   248  (WSW) 182977   cloudy     dust
     21:00    44    25     33   264    (W)  56058   cloudy     dust
     22:00    41    20     37   274    (W)  34854   cloudy     dust
     23:00    39    18     34   260    (W)  19336   cloudy     dust
     00:00    37    13     35   266    (W)  27620   cloudy     dust
     01:00    31    15     20   310   (NW)  16487   cloudy     dust
     02:00    31    13     18   272    (W)   5887   cloudy     dust
     03:00    28    14     22   298  (WNW)   4590   cloudy     dust
     04:00    29    12     23   316   (NW)   4090   cloudy     dust
     05:00    28    11     16   302  (WNW)   3665  ptly cldy   none
     06:00    28    11     22   297  (WNW)   3609  ptly 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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