Subject: 3.5m Night Log 20250408
From: ajt@apo.nmsu.edu
Date: Wed,  9 Apr 2025 12:54:24 +0000 (UTC)
                      Apache Point Observatory
                      3.5m Telescope Night Log
                      Tuesday, April 08, 2025
PROG  PI ASTRONOMER      OBSERVER(S)
--------------------------------------------------------------------
UW08  S.Hawley          L.Hebb,S.Hawley
AP01  S.Merkowitz       R.McMillan
OU01  M.Kilic           M.Kilic&Class
                         ON-SKY
PROG  INSTRUMENT     START   FINISH
--------------------------------------------------------------------
UW08  ECHELLE        19:37   00:01
AP01  APOLLO         00:05   01:08
OU01  KOSMOS         01:15   05:52
   PROG       SCHEDULED      WEATH     EQUIP     OBS     NOT USED
 I/ROW/DTN  START  FINISH   D    B    D    B    D    B    D    B
-----------------------------------------------------------------
UW08/R      19:37  00:10    0    0    0    0   0.0  4.6   0    0
AP01/OW     00:10  01:10    0    0    0    0   0.0  1.0   0    0
OU01/O      01:10  06:32    0    0    0    0   1.4  4.0   0    0
note: scheduled times listed include instrument change time
              ------------- ACTIVITY LOG --------------
Observing Specialist: A.Townsend,C.Gray,R.McMillan
Dome camera machine restarted due to a Windows update.
We had a few clouds but they didn't affect observations.
No telescope or instrument problems!
                    ------- 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
--------------------------------------------------------------------------
 19:47 ecamera    444(  211) -62  39   8.7  9.6  9.7  9.1  8.7   ND3  1.24
 22:15 ecamera    390(   47) 176  39   7.8  7.2  8.0  7.2  7.2   Clear  1.28
 00:09 APOLLO     275( 1660) -62  54   7.8  6.4  7.2  6.4  6.6   530  1.30
 01:25 khigh   290(  931)  33  48   7.7  7.0  7.6  7.0  7.3   --  1.03
               ------------- WEATHER LOG ----------------
                                   Wind                      Precip.or
     Time   Temp F Dewp F  MPH  Direction    Dust    Sky    Conditions
    ------------------------------------------------------------------
     16:00    56    11     16   260    (W)   1988    clear     none
     17:00    51     6     11   264    (W)   2190    clear     none
     18:00    51     7     13   277    (W)   1972    clear     none
     19:00    50     5     12   251  (WSW)   2134    clear     none
     20:00    48     4     14   217   (SW)   2088    clear     none
     21:00    46     4     17   217   (SW)   2263    clear     none
     22:00    46     4     14   222   (SW)   2339 mstly clr    none
     23:00    46     3     14   222   (SW)   2499 mstly clr    none
     00:00    46     3     13   223   (SW)   2778 mstly clr    none
     01:00    46     3     12   214   (SW)   3011 mstly clr    none
     02:00    46     3     12   207  (SSW)   2967  ptly cldy   none
     03:00    46     3     10   217   (SW)   2775 mstly clr    none
     04:00    46     2      7   233   (SW)   2839 mstly clr    none
     05:00    47     2      5   266    (W)   2564 mstly clr    none
     06:00    47     4      6   359    (N)   2452 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