Subject: 3.5m Night Log 20250506
From: cgray@apo.nmsu.edu
Date: Wed,  7 May 2025 12:07:28 +0000 (UTC)
                      Apache Point Observatory
                      3.5m Telescope Night Log
                      Tuesday, May 06, 2025
PROG  PI ASTRONOMER      OBSERVER(S)
--------------------------------------------------------------------
CU03  Z.Berta-Thompson  A.Stephens
UW02  P.Yoachim         P.Yoachim
WY02  C.Kobulnicky      N.Patten
                         ON-SKY
PROG  INSTRUMENT     START   FINISH
--------------------------------------------------------------------
CU03  KOSMOS         22:05   22:58
UW02  KOSMOS         22:58   01:10
WY02  KOSMOS         01:10   04:58
WY02  ECHELLE        05:03   05:45
   PROG       SCHEDULED      WEATH     EQUIP     OBS     NOT USED
 I/ROW/DTN  START  FINISH   D    B    D    B    D    B    D    B
-----------------------------------------------------------------
CU03/R      19:58  22:58    0   2.1   0    0   0.0  0.9   0    0
UW02/R      22:58  01:10    0    0    0    0   0.0  2.2   0    0
WY02/R      01:10  06:02    0    0    0    0   2.4  2.5   0    0
note: scheduled times listed include instrument change time
              ------------- ACTIVITY LOG --------------
Observing Specialist: C.Gray
The day started with SNOW!! Which quickly left. But the clouds and radar kept us closed until about 10pm. Things cleared up quite nicely and the seeing wasn't have bad either. Clouds started rolling back in at 3am but they were nothing to worry about.
We had a motion error in altitude at 66 deg when moving down to 53 deg. That was the only one of the night.
The omega cam needed to be restarted early in the night.
                    ------- 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
--------------------------------------------------------------------------
 22:21 kosmos   237(  605)  41  76   1.8  1.6  2.7  2.4  1.8   --  1.98
 23:06 kosmos   312(  667) -37  80   2.0  1.3  2.4  1.8  1.8   --  1.42
 05:07 ecamera    404( -226) 141  46   3.2  1.3  2.5  2.1  2.4   clear  1.13
               ------------- WEATHER LOG ----------------
                                   Wind                      Precip.or
     Time   Temp F Dewp F  MPH  Direction    Dust    Sky    Conditions
    ------------------------------------------------------------------
     16:00    42    31     14   227   (SW)   1369   cloudy     none
     17:00    43    27      9   206  (SSW)   1709   cloudy   lt snow
     18:00    40    24     13   239  (WSW)   1714 mstly cldy lt snow
     19:00    36    27     21   217   (SW)   1803 mstly cldy   none
     20:00    36    27     12   266    (W)        mstly cldy   none
     21:00    36    26     11   270    (W)        mstly clr    none
     22:00    36    26      6   282  (WNW)   1235    clear     none
     23:00    36    26     12   330  (NNW)           clear     none
     00:00    35    25     10   314   (NW)   1079    clear     none
     01:00    36    25      9   323   (NW)   1039    clear     none
     02:00    36    27      7   332  (NNW)           clear     none
     03:00    37    27     12   307   (NW)        mstly clr    none
     04:00    37    26     12   267    (W)    631  ptly cldy   none
     05:00    37    26      9   287  (WNW)    550 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