Subject: 3.5m Night Log 20210820
From: cgray@apo.nmsu.edu
Date: Sat, 21 Aug 2021 12:11:11 +0000 (UTC)
                      Apache Point Observatory
                      3.5m Telescope Night Log
                      Friday, August 20, 2021
PROG  PI ASTRONOMER      OBSERVER(S)
--------------------------------------------------------------------
WY01  A.Cavanaugh       A.Cavanaugh
JH05  T.Marriage        M.Hilton
                         ACTUAL
PROG  INSTRUMENT     START   FINISH
--------------------------------------------------------------------
WY01  TSPEC          19:51   01:00
JH05  NICFPS         01:11   05:57
   PROG       SCHEDULED      WEATH     EQUIP     OBS     NOT USED
 I/ROW/DTN  START  FINISH   D    B    D    B    D    B    D    B
-----------------------------------------------------------------
WY01/R      19:51  01:10    0    0    0    0   0.0  5.3   0    0
JH05/R      01:10  06:22    0    0    0    0   0.9  4.3   0    0
note: scheduled times listed include instrument change time
              ------------- ACTIVITY LOG --------------
Observing Specialist: C.Gray
Holy cow, the seeing tonight! We started off with some clouds that were rather annoying, but they cleared up for the most part during second half.
No problems 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
--------------------------------------------------------------------------
 19:10 tcamera    818( 1787)  98  25  15.4 17.8 17.6 17.6 15.2   MKs  1.75
 20:08 tcamera    579( 1494)  90  26  15.1 16.7 16.4 16.2 15.7   MKs  1.28
 21:44 tcamera    666( 1487)  76  46  15.2 15.1 15.4 14.6 14.6   MKs  0.78
 00:17 NICFPS     640( 1666)  24  51  14.9 14.2 14.8 14.3 14.4   MKs  0.65
               ------------- WEATHER LOG ----------------
                                   Wind                      Precip.or
     Time   Temp F Dewp F  MPH  Direction    Dust    Sky    Conditions
    ------------------------------------------------------------------
     16:00    62    43     12   290  (WNW)    521  ptly cldy   none
     17:00    62    43      5   258  (WSW)    510 mstly clr    none
     18:00    64    42     10   273    (W)    522 mstly clr    none
     19:00    63    44      4   262    (W)    563 mstly clr    none
     20:00    59    43      5   263    (W)    479  ptly cldy   none
     21:00    59    42      2   228   (SW)    552 mstly cldy   none
     22:00    59    42      4   198  (SSW)    527  ptly cldy   none
     23:00    59    40      7   175    (S)    515  ptly cldy   none
     00:00    58    39     10   183    (S)    507 mstly clr    none
     01:00    59    40      9   184    (S)    487 mstly clr    none
     02:00    58    38      8   186    (S)    482 mstly clr    none
     03:00    58    39      7   194  (SSW)    468 mstly clr    none
     04:00    57    41      6   201  (SSW)    548 mstly clr    none
     05:00    58    41      5   242  (WSW)    556  ptly cldy   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: 2.6.0