Subject: 3.5m Night Log 20250627
From: tsutherland@apo.nmsu.edu
Date: Sat, 28 Jun 2025 11:06:21 +0000 (UTC)
                      Apache Point Observatory
                      3.5m Telescope Night Log
                      Friday, June 27, 2025
PROG  PI ASTRONOMER      OBSERVER(S)
--------------------------------------------------------------------
UW07  C.Chandler        C.Chandler
BY05  S.Bahr            S.Bahr
JH01  Z.Rustamkulov     Z.Rustamkulov
                         ON-SKY
PROG  INSTRUMENT     START   FINISH
--------------------------------------------------------------------
UW07  ARCTIC         --:--   --:--
BY05  KOSMOS         --:--   --:--
JH01  KOSMOS         --:--   --:--
   PROG       SCHEDULED      WEATH     EQUIP     OBS     NOT USED
 I/ROW/DTN  START  FINISH   D    B    D    B    D    B    D    B
-----------------------------------------------------------------
UW07/R      20:24  01:10   2.5  2.2   0    0    0    0    0    0
BY05/R      01:10  03:49   2.6   0    0    0    0    0    0    0
JH01/R      03:49  05:49   2.0   0    0    0    0    0    0    0
note: scheduled times listed include instrument change time
              ------------- ACTIVITY LOG --------------
Observing Specialist: T.Sutherland
Humidity, nearby radar, and clouds kept us closed all night. Gave up around 4:30am.
No new telescope or instrument issues.
                    ------- 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    60    48      2    94    (E)    336  ptly cldy   none
     17:00    66    49     15   227   (SW)    523  ptly cldy   none
     18:00    64    48     12   234   (SW)    538  ptly cldy   none
     19:00    62    52      6   187    (S)    523  ptly cldy   none
     20:00    59    52      5   260    (W)         ptly cldy  humid
     21:00    56    52      8    87    (E)         ptly cldy  humid
     22:00    55    51      6    75  (ENE)        mstly clr   humid
     23:00    56    49      0   248  (WSW)        mstly clr   humid
     00:00    56    50      3   227   (SW)        mstly clr   humid
     01:00    54    49     10   182    (S)        mstly clr   humid
     02:00    54    49      6   182    (S)        mstly clr   humid
     03:00    53    51      8   189    (S)        mstly clr   humid
     04:00    53    51      8   199  (SSW)        mstly clr   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.
              ----------  TELESCOPE SOFTWARE  ----------
Current TCC version: 1.4.2
Current HUB version: v20171231_01
Current TUI version: 3.1.8