Subject: 3.5m Night Log 20230416
From: ajt@apo.nmsu.edu
Date: Mon, 17 Apr 2023 12:49:25 +0000 (UTC)
                      Apache Point Observatory
                      3.5m Telescope Night Log
                      Sunday, April 16, 2023
PROG  PI ASTRONOMER      OBSERVER(S)
--------------------------------------------------------------------
OU04  G.Jewett          G.Jewett,M.Kilic
NM04  M.Croom           M.Croom
                         ON-SKY
PROG  INSTRUMENT     START   FINISH
--------------------------------------------------------------------
OU04  KOSMOS         19:41   01:03
NM04  ARCTIC         01:17   06:23
   PROG       SCHEDULED      WEATH     EQUIP     OBS     NOT USED
 I/ROW/DTN  START  FINISH   D    B    D    B    D    B    D    B
-----------------------------------------------------------------
OU04/R      19:43  01:10    0    0    0    0   5.5  0.0   0    0
NM04/R      01:10  06:23    0    0    0    0   4.0  1.2   0    0
note: scheduled times listed include instrument change time
              ------------- ACTIVITY LOG --------------
Observing Specialist: A.Townsend
Had to reset Agile heartbeat at checkout.
Some clouds during A-half, photometric for all of B-half. Seeing was variable but not terrible.
Temperatures were about 10C in the afternoon, they dropped to around 6C by midnight and then stayed there. Humidity went from 30 to 45%.
                    ------- 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
--------------------------------------------------------------------------
 19:12 kosmos   448(  885)  26  77  10.0  9.4  9.6  9.1  7.2   --  1.23
 00:23 arctic   399(  762) -59  63  10.0  6.7  7.2  6.5  7.5   UNM_658/3  1.16
 01:12 arctic   431(  796) -72  54  10.0  6.6  7.3  6.5  6.8   SDSS_g  1.26
               ------------- WEATHER LOG ----------------
                                   Wind                      Precip.or
     Time   Temp F Dewp F  MPH  Direction    Dust    Sky    Conditions
    ------------------------------------------------------------------
     16:00                  6   258  (WSW)   2894 mstly clr    none
     17:00                 10   235   (SW)   2714    clear     none
     18:00                 12   251  (WSW)   2602    clear     none
     19:00                  9   209  (SSW)   2854    clear     none
     20:00                  2   167  (SSE)   2622  ptly cldy   none
     21:00                  8   184    (S)   2283  ptly cldy   none
     22:00                  4   185    (S)   2504  ptly cldy   none
     23:00                  9   181    (S)   2256 mstly clr    none
     00:00                  7   190    (S)   2290 mstly clr    none
     01:00                 11   177    (S)   2249    clear     none
     02:00                  7   159  (SSE)   2286    clear     none
     03:00                  6   161  (SSE)   2059    clear     none
     04:00                 13   171    (S)   2181    clear     none
     05:00                 16   148  (SSE)   2204    clear     none
     06:00                 16   180    (S)   2426    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: a>