Subject: 3.5m Night Log 20250518
From: dembicky@apo.nmsu.edu
Date: Mon, 19 May 2025 12:14:09 +0000 (UTC)
                      Apache Point Observatory
                      3.5m Telescope Night Log
                      Sunday, May 18, 2025
PROG  PI ASTRONOMER      OBSERVER(S)
--------------------------------------------------------------------
UW05  S.Demasi          S.Demasi, S. Anderson
OU03  G.Jewett          G.Jewett
AP01  S.Merkowitz       R.McMillan
                         ON-SKY
PROG  INSTRUMENT     START   FINISH
--------------------------------------------------------------------
UW05  ARCTIC         23:10   01:00
OU03  ARCTIC         01:01   04:44
AP01  APOLLO         04:44   05:50
   PROG       SCHEDULED      WEATH     EQUIP     OBS     NOT USED
 I/ROW/DTN  START  FINISH   D    B    D    B    D    B    D    B
-----------------------------------------------------------------
UW05/R      20:06  01:10    0    0    0    0   5.1  0.0   0    0
OU03/R      01:10  04:53    0    0    0    0   0.1  3.6   0    0
AP01/R      04:53  05:53    0    0    0    0   0.0  1.0   0    0
note: scheduled times listed include instrument change time
              ------------- ACTIVITY LOG --------------
Observing Specialist: J.Dembicky
Dust again kept us closed at the start of the night.  I finally opened just after 23:00.
No problems 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
--------------------------------------------------------------------------
 23:14 arctic   307( 1233)  44  56   9.7 11.1 12.1 10.9  9.9   SDSS_g  1.45
 23:15 NA2gdr 36722(36722)  43  56   9.7 11.1 12.1 10.9  9.9   clear  1.32
 01:06 arctic   355( 1176) 278  45   8.6  8.7  9.5  8.6  8.6   BG40  1.20
 01:08 NA2gdr 35566(35566) 278  45   8.7  8.6  9.5  8.6  8.5   clear  1.62
 04:48 APOLLO      275(  ) 139  72   6.5  6.1  7.0  6.1  6.1   --  1.90
               ------------- WEATHER LOG ----------------
                                   Wind                      Precip.or
     Time   Temp F Dewp F  MPH  Direction    Dust    Sky    Conditions
    ------------------------------------------------------------------
     16:00    58     9     36   268    (W)  20254  ptly cldy   dust
     17:00    60    11     31   242  (WSW)  14460 mstly cldy   dust
     18:00    58     7     28   256  (WSW)  11222 mstly cldy   dust
     19:00    57     6     21   262    (W)   8774 mstly cldy   dust
     20:00    54     9     27   253  (WSW)   6486 mstly cldy   dust
     21:00    52    14     16   266    (W)   6426 mstly cldy   dust
     22:00    51    15     13   292  (WNW)   6019 mstly cldy   dust
     23:00    50    15     21   266    (W)   3252  ptly cldy   none
     00:00    49    14     18   272    (W)   2433  ptly cldy   none
     01:00    48    16     18   280    (W)   2239 mstly clr    none
     02:00    47    17     22   291  (WNW)   2015    clear     none
     03:00    45    18     18   286  (WNW)   2095    clear     none
     04:00    44    20     21   269    (W)   2153    clear     none
     05:00    43    20     19   265    (W)   2097    clear     none
     06:00    41    18     10   350    (N)   2405    clear     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.
              ----------  TELESCOPE SOFTWARE  ----------
Current TCC version: 1.4.2
Current HUB version: v20171231_01
Current TUI version: 3.1.8