Subject: 3.5m Night Log 20250813
From: dembicky@apo.nmsu.edu
Date: Thu, 14 Aug 2025 12:41:02 +0000 (UTC)
                      Apache Point Observatory
                      3.5m Telescope Night Log
                      Wednesday, August 13, 2025
PROG  PI ASTRONOMER      OBSERVER(S)
--------------------------------------------------------------------
JH05  C.Lisse           C.Lisse, B.Bolin, C.Ingebretsen
UV02  J.Davidson        J.Davidson, E.Horsch
GS05  S.Lepine          J.Davidson, E.Horsch
                         ON-SKY
PROG  INSTRUMENT     START   FINISH
--------------------------------------------------------------------
JH05  ARCTIC         19:59   01:07
UV02  DSSI           01:15   03:44
GS05  DSSI           03:44   06:20
   PROG       SCHEDULED      WEATH     EQUIP     OBS     NOT USED
 I/ROW/DTN  START  FINISH   D    B    D    B    D    B    D    B
-----------------------------------------------------------------
JH05/R      19:59  01:10    0    0    0    0   2.4  2.8   0    0
UV02/R      01:10  03:44    0    0    0    0   0.0  2.6   0    0
GS05/R      03:44  06:18    0    0    0    0   0.0  2.6   0    0
note: scheduled times listed include instrument change time
              ------------- ACTIVITY LOG --------------
Observing Specialist: J.Dembicky
No problems tonight other than some pesky clouds off and on.
                    ------- 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
--------------------------------------------------------------------------
 20:23 arctic   546( 1654) 175  63  17.2 19.3 18.3 19.4 16.9   SDSS_r  1.07
 20:25 NA2gdr 36804(36804) 175  63  17.4 19.3 18.3 19.3 16.9   R  1.15
 00:04 arctic   397( 1344)  83  72  15.7 16.0 16.6 15.8 16.0   SDSS_r  0.86
 01:24 dssi   322( 1548) 173  66  16.4 15.5 16.1 15.4 15.6   692  0.50
               ------------- WEATHER LOG ----------------
                                   Wind                      Precip.or
     Time   Temp F Dewp F  MPH  Direction    Dust    Sky    Conditions
    ------------------------------------------------------------------
     16:00    66    42      3    97    (E)   1006  ptly cldy   none
     17:00    68    43      6   201  (SSW)   1140  ptly cldy   none
     18:00    67    41      3   219   (SW)   1132  ptly cldy   none
     19:00    65    43      2   196  (SSW)   1131  ptly cldy   none
     20:00    63    41      7   184    (S)   1143  ptly cldy   none
     21:00    62    41      8   177    (S)   1160 mstly clr    none
     22:00    63    41      8   176    (S)   1328    clear     none
     23:00    62    41      8   183    (S)   1271    clear     none
     00:00    61    42      9   184    (S)   1408    clear     none
     01:00    61    43     13   181    (S)   1406    clear     none
     02:00    61    44      8   189    (S)   1353    clear     none
     03:00    59    46      7   198  (SSW)   1726    clear     none
     04:00    60    45      9   210  (SSW)   1483  ptly cldy   none
     05:00    59    46      6   212  (SSW)   1745 mstly clr    none
     06:00    60    45      6   256  (WSW)   2258 mstly clr    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