Subject: 3.5m Night Log 20210424
From: mcmillan@apo.nmsu.edu
Date: Sun, 25 Apr 2021 12:17:53 +0000 (UTC)
                      Apache Point Observatory
                      3.5m Telescope Night Log
                      Saturday, April 24, 2021
PROG  PI ASTRONOMER      OBSERVER(S)
--------------------------------------------------------------------
GS02  S.Lepine          N.Hejazi
CU06  J.Dexter          J.Dexter
                         ACTUAL
PROG  INSTRUMENT     START   FINISH
--------------------------------------------------------------------
GS02  ECHELLE        19:48   01:10
CU06  TripleSpec     01:13   05:45
   PROG       SCHEDULED      WEATH     EQUIP     OBS     NOT USED
 I/ROW/DTN  START  FINISH   D    B    D    B    D    B    D    B
-----------------------------------------------------------------
GS02/R      19:49  01:10    0    0    0    0   0.0  5.4   0    0
CU06/R      01:10  06:13    0    0    0    0   0.5  4.5   0    0
note: scheduled times listed include instrument change time
              ------------- ACTIVITY LOG --------------
Observing Specialist: R.McMillan
A lovely clear night with good seeing and no problems.  Observers were happy to get lots of data.
                    ------- 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
--------------------------------------------------------------------------
 01:22 tcamera    448(  949) 186  69   8.9  7.6  8.2  7.7  8.2   Ks  0.96
               ------------- WEATHER LOG ----------------
                                   Wind                      Precip.or
     Time   Temp F Dewp F  MPH  Direction    Dust    Sky    Conditions
    ------------------------------------------------------------------
     16:00    56    13     23   227   (SW)   1939    clear     none
     17:00    56    15     20   225   (SW)   1838    clear     none
     18:00    55    15     27   236   (SW)   2005    clear     none
     19:00    51    13     20   242  (WSW)   1850    clear     none
     20:00    48    14     16   217   (SW)   1545    clear     none
     21:00    47    14     16   224   (SW)   1445    clear     none
     22:00    47    12     11   210  (SSW)   1623    clear     none
     23:00    47    12     14   216   (SW)   1639    clear     none
     00:00    47    12     17   249  (WSW)   1617    clear     none
     01:00    47    12     16   251  (WSW)   1603    clear     none
     02:00    49    12     15   264    (W)   1581    clear     none
     03:00    48    12     14   251  (WSW)   1623    clear     none
     04:00    47    11     13   248  (WSW)   1664    clear     none
     05:00    48    12     16   264    (W)   1542    clear     none
     06:00    47    13     14   266    (W)   1605    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: 2.6.0