Subject: 3.5m Night Log 20251021
From: dembicky@apo.nmsu.edu
Date: Wed, 22 Oct 2025 12:10:29 +0000 (UTC)
                      Apache Point Observatory
                      3.5m Telescope Night Log
                      Tuesday, October 21, 2025
PROG  PI ASTRONOMER      OBSERVER(S)
--------------------------------------------------------------------
BY05  E.Hintz           S.Call
GS04  S.Lepine          Z.Way
                         ON-SKY
PROG  INSTRUMENT     START   FINISH
--------------------------------------------------------------------
BY05  TSPEC          18:31   00:55
GS04  ECHELLE        01:05   05:54
   PROG       SCHEDULED      WEATH     EQUIP     OBS     NOT USED
 I/ROW/DTN  START  FINISH   D    B    D    B    D    B    D    B
-----------------------------------------------------------------
BY05/R      18:31  01:10    0    0    0    0   6.7  0.0   0    0
GS04/R      01:10  07:05    0    0    0    0   5.9  0.0   0    0
note: scheduled times listed include instrument change time
              ------------- ACTIVITY LOG --------------
Observing Specialist: J.Dembicky
No problems tonight.
I did not get end of night Echelle IOL measurement since they were doing morning cals with the Echelle.
                    ------- 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
--------------------------------------------------------------------------
 18:43 tcamera    362( 1289)  37  59   9.4 12.2 11.6 11.4  9.5   Ks  1.00
 01:03 ecamera    434(  -63) 136  52  10.3  8.5  9.2  8.2  9.4   clear  1.03
               ------------- WEATHER LOG ----------------
                                   Wind                      Precip.or
     Time   Temp F Dewp F  MPH  Direction    Dust    Sky    Conditions
    ------------------------------------------------------------------
     16:00    55    24     10   322   (NW)    941    clear     none
     17:00    53    23      8   280    (W)    920    clear     none
     18:00    51    23      5   265    (W)    877    clear     none
     19:00    47    21      6   344  (NNW)    771    clear     none
     20:00    49    21      7   347  (NNW)    838    clear     none
     21:00    49    21      6   354    (N)    944    clear     none
     22:00    48    23      8   329  (NNW)   1094    clear     none
     23:00    49    23      8   306   (NW)   1195    clear     none
     00:00    51    20      6   294  (WNW)    548    clear     none
     01:00    50    20      8   327  (NNW)    541    clear     none
     02:00    52    21     11   302  (WNW)    727    clear     none
     03:00    51    20     11   304   (NW)    556    clear     none
     04:00    50    20     11   324   (NW)    588    clear     none
     05:00    52    15      4   355    (N)    289    clear     none
     06:00    53    14      7   350    (N)    260    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