Subject: 3.5m Night Log 20250422
From: ajt@apo.nmsu.edu
Date: Wed, 23 Apr 2025 12:51:06 +0000 (UTC)
                      Apache Point Observatory
                      3.5m Telescope Night Log
                      Tuesday, April 22, 2025
PROG  PI ASTRONOMER      OBSERVER(S)
--------------------------------------------------------------------
JH04  M.Karmen          M.Karmen,M.Guolo,Y.Ajay
NA01  J.Bary            J.Bary,F.PerezPaolino
CU02  K.McGouldrick     K.McGouldrick
                         ON-SKY
PROG  INSTRUMENT     START   FINISH
--------------------------------------------------------------------
JH04  ARCTIC         19:47   00:46
NA01  TSPEC          01:04   03:01
NA01  ECHELLE        03:06   04:11
NA01  TSPEC          04:13   04:31
CU02  TSPEC          04:32   06:14
   PROG       SCHEDULED      WEATH     EQUIP     OBS     NOT USED
 I/ROW/DTN  START  FINISH   D    B    D    B    D    B    D    B
-----------------------------------------------------------------
JH04/R      19:47  01:10    0    0    0    0   5.4  0.0   0    0
NA01/R      01:10  04:15    0    0    0    0   2.6  0.6   0    0
CU02/R      04:15  06:15    0    0    0    0   0.0  1.8   0    0
note: scheduled times listed include instrument change time
              ------------- ACTIVITY LOG --------------
Observing Specialist: A.Townsend
Restarted gcam nubs at checkout.
CU02 donated 15 minutes to NA01 for cals since primary target wouldn't be high enough for observations until later.
Another clear night with good seeing!
                    ------- 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
--------------------------------------------------------------------------
 20:20 arctic   235( 1272) 111  41  11.1 13.1 13.1 12.2 11.5   SDSS_u  1.57
 01:11 tcamera    311( 1298) 175  59  10.4  9.3 10.1  9.1  9.5   Ks  1.15
 03:09 ecamera    321(   57)   5  33   9.8  8.8  9.6  8.8  9.2   ND2  1.00
 04:36 tcamera    323( 1278) 120  61   9.8  8.6  9.3  8.5  8.8   Ks  0.91
               ------------- WEATHER LOG ----------------
                                   Wind                      Precip.or
     Time   Temp F Dewp F  MPH  Direction    Dust    Sky    Conditions
    ------------------------------------------------------------------
     16:00    59    10     16   249  (WSW)   3731  ptly cldy   none
     17:00    65    14     10   254  (WSW)   3965  ptly cldy   none
     18:00    61    12     19   216   (SW)   2937    clear     none
     19:00    58     9     14   262    (W)   2341    clear     none
     20:00    52     5     11   237  (WSW)   1865    clear     none
     21:00    51     6     10   231   (SW)   1775    clear     none
     22:00    51     6      8   235   (SW)   2116    clear     none
     23:00    50     5     13   232   (SW)   2128    clear     none
     00:00    51     3     10   258  (WSW)   1263    clear     none
     01:00    50     0     12   265    (W)    856    clear     none
     02:00    49     3     11   264    (W)    919    clear     none
     03:00    50     5     12   268    (W)    909    clear     none
     04:00    50     3     13   270    (W)    890    clear     none
     05:00    49     2     14   278    (W)    926    clear     none
     06:00    49     2     12   266    (W)    911    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