Subject: 3.5m Night Log 20250602
From: dembicky@apo.nmsu.edu
Date: Tue,  3 Jun 2025 11:36:40 +0000 (UTC)
                      Apache Point Observatory
                      3.5m Telescope Night Log
                      Monday, June 02, 2025
PROG  PI ASTRONOMER      OBSERVER(S)
--------------------------------------------------------------------
CU05  Z.Berta-Thompson  Z.Berta-Thompson
UW07  C.Orion           M.Frissell
                         ON-SKY
PROG  INSTRUMENT     START   FINISH
--------------------------------------------------------------------
CU05  KOSMOS         22:36   02:05
UW07  ARCTIC         02:20   05:04
   PROG       SCHEDULED      WEATH     EQUIP     OBS     NOT USED
 I/ROW/DTN  START  FINISH   D    B    D    B    D    B    D    B
-----------------------------------------------------------------
CU05/R      20:16  02:15    0   2.3   0    0   0.6  3.1   0    0
UW07/R      02:15  05:47    0    0    0    0   3.5  0.0   0    0
note: scheduled times listed include instrument change time
              ------------- ACTIVITY LOG --------------
Observing Specialist: J.Dembicky
Threatening looking clouds kept us closed at the start of the night.  We finally opened around 22:30.
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
--------------------------------------------------------------------------
 22:59 kosmos   167( 1007) 150  54  10.6 11.4 12.0 11.3 10.6   empty  1.35
 02:28 arctic   400( 1220) -164  61   9.1  8.9  9.6  9.1  8.9   CUVR  1.07
 02:30 NA2gdr 35255(35255) -164  61   9.1  8.9  9.6  9.1  8.9   clear  1.25
 03:51 arctic   321( 1110)   1  58   8.4  8.2  8.9  8.2  8.2   CUVR  1.08
               ------------- WEATHER LOG ----------------
                                   Wind                      Precip.or
     Time   Temp F Dewp F  MPH  Direction    Dust    Sky    Conditions
    ------------------------------------------------------------------
     16:00    53    -5     17   239  (WSW)    917   cloudy     fog
     17:00    54    17     15   266    (W)    898   cloudy     none
     18:00    54    33     27   252  (WSW)    823  ptly cldy   none
     19:00    55    33     25   249  (WSW)    820  ptly cldy   none
     20:00    53    32     20   255  (WSW)    574 mstly cldy   none
     21:00    51    32     20   266    (W)    753  ptly cldy   none
     22:00    51    31     19   265    (W)   1019  ptly cldy   none
     23:00    51    32     22   264    (W)   1151 mstly clr    none
     00:00    50    31     16   267    (W)    944 mstly clr    none
     01:00    50    32     26   276    (W)    718    clear     none
     02:00    49    31     20   284  (WNW)    715    clear     none
     03:00    48    32     21   287  (WNW)    713    clear     none
     04:00    47    31     17   289  (WNW)    718    clear     none
     05:00    47    30     15   311   (NW)    776    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