Subject: 3.5m Night Log 20240420
From: dembicky@apo.nmsu.edu
Date: Sun, 21 Apr 2024 12:04:55 +0000 (UTC)
                      Apache Point Observatory
                      3.5m Telescope Night Log
                      Saturday, April 20, 2024
PROG  PI ASTRONOMER      OBSERVER(S)
--------------------------------------------------------------------
AP01  S.Merkowitz       R.McMillan
JH04  K.Schlaufman      K.Schlaufman
BY06  E.Hintz           S.Call
                         ON-SKY
PROG  INSTRUMENT     START   FINISH
--------------------------------------------------------------------
AP01  APOLLO         19:46   20:40
JH04  ECHELLE        20:43   01:06
BY06  TSPEC          01:10   05:47
   PROG       SCHEDULED      WEATH     EQUIP     OBS     NOT USED
 I/ROW/DTN  START  FINISH   D    B    D    B    D    B    D    B
-----------------------------------------------------------------
AP01/R      19:46  20:46    0    0    0    0   0.0  1.0   0    0
JH04/R      20:46  01:10    0    0    0    0   0.0  4.4   0    0
BY06/R      01:10  06:17    0    0    0    0   0.9  4.2   0    0
note: scheduled times listed include instrument change time
              ------------- ACTIVITY LOG --------------
Observing Specialist: J.Dembicky
Remote class training for JH03 this afternoon.
We had some pesky clouds tonight that were NOT in the forecast.  Things finally cleared back up around 04:00.
No telescope issues tonight.
                    ------- 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
--------------------------------------------------------------------------
 19:56 APOLLO     350( 1969)  65  35   9.0 11.1 10.9 10.3 10.1   --  1.90
 20:46 ecamera    339(   99) 135  74   8.7  9.9 10.1  9.3  9.2  ND2  0.85
 23:49 ecamera    407(  104) 134  44   8.9  8.2  8.8  8.2  8.7   clear  1.02
 01:12 tcamera    418( 1351) 184  71  10.0  8.2  8.9  8.5  8.8   Ks  1.08
               ------------- WEATHER LOG ----------------
                                   Wind                      Precip.or
     Time   Temp F Dewp F  MPH  Direction    Dust    Sky    Conditions
    ------------------------------------------------------------------
     16:00    53    34      5   259    (W)   1191 mstly clr    none
     17:00    56    31     10   268    (W)    879 mstly clr    none
     18:00    56    32     14   233   (SW)   1394    clear     none
     19:00    51    32      3   231   (SW)   1521    clear     none
     20:00    48    32      9   201  (SSW)   2164    clear     none
     21:00    47    32      6   186    (S)   2247    clear     none
     22:00    47    31      3   191    (S)   2266    clear     none
     23:00    48    30      7   194  (SSW)   2324 mstly clr    none
     00:00    48    29      7   185    (S)   2363 mstly clr    none
     01:00    49    25     11   195  (SSW)   2620 mstly clr    none
     02:00    49    24     11   246  (WSW)   2080 mstly cldy   none
     03:00    49    23     10   229   (SW)   2049  ptly cldy   none
     04:00    46    24      3   191    (S)   1917 mstly clr    none
     05:00    46    25      3   223   (SW)   1816    clear     none
     06:00    45    25      3   238  (WSW)   1667    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: 3.1.5