Subject: 3.5m Night Log 20250425
From: cgray@apo.nmsu.edu
Date: Sat, 26 Apr 2025 12:23:43 +0000 (UTC)
                      Apache Point Observatory
                      3.5m Telescope Night Log
                      Friday, April 25, 2025
PROG  PI ASTRONOMER      OBSERVER(S)
--------------------------------------------------------------------
OU04  G.Garcia          G.Garcia
UW03  B.Benda           B.Benda
CU02  K.McGouldrick     K.McGouldrick
                         ON-SKY
PROG  INSTRUMENT     START   FINISH
--------------------------------------------------------------------
OU04  KOSMOS         20:00   01:05
UW03  ECHELLE        01:08   04:01
CU02  TripleSpec     04:20   06:04
   PROG       SCHEDULED      WEATH     EQUIP     OBS     NOT USED
 I/ROW/DTN  START  FINISH   D    B    D    B    D    B    D    B
-----------------------------------------------------------------
OU04/R      19:50  01:10    0    0    0    0   5.3  0.0   0    0
UW03/R      01:10  04:12    0    0    0    0   3.0  0.0   0    0
CU02/R      04:12  06:12    0    0    0    0   1.2  0.8   0    0
note: scheduled times listed include instrument change time
              ------------- ACTIVITY LOG --------------
Observing Specialist: C.Gray
A beautiful night! Clear and calm and, surprisingly, not dust from the out-blowing storms. Seeing was excellent!
no problems tonight, not even from arcsat!
                    ------- 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
--------------------------------------------------------------------------
 20:22 kosmos   278( 1231) 133  74  12.2 14.0 14.1 13.3 12.3   --  1.27
 01:15 ecamera    328(  140) -80  75  11.6 11.0 11.5 10.9 11.6   Clear  0.69
 05:52 tcamera    259( 1242)  80  17   8.1  8.4  9.1  8.5  8.4   Ks  0.98
               ------------- WEATHER LOG ----------------
                                   Wind                      Precip.or
     Time   Temp F Dewp F  MPH  Direction    Dust    Sky    Conditions
    ------------------------------------------------------------------
     16:00    65    17     16   248  (WSW)   1999    clear     none
     17:00    63    16     21   184    (S)   1805    clear     none
     18:00    64    15     26   217   (SW)   1996    clear     none
     19:00    60    10     15   221   (SW)   2321    clear     none
     20:00    55     6      8   208  (SSW)   2271    clear     none
     21:00    53     9     13   227   (SW)   2161    clear     none
     22:00    52     9      9   227   (SW)   2143    clear     none
     23:00    52     9     11   217   (SW)   1954    clear     none
     00:00    50     9     11   247  (WSW)   1837    clear     none
     01:00    53     8     10   256  (WSW)   1893    clear     none
     02:00    53     9     12   220   (SW)   2154    clear     none
     03:00    51    11      9   226   (SW)   1973    clear     none
     04:00    50    15      6   210  (SSW)   1939    clear     none
     05:00    48    18      6   215   (SW)   1844    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