Subject: 3.5m Night Log 20190124
From: cgray@apo.nmsu.edu
Date: Fri, 25 Jan 2019 14:17:23 +0000 (UTC)
                      Apache Point Observatory
                      3.5m Telescope Night Log
                      Thursday, January 24, 2019
                                                           ACTUAL
 ASTRONOMER      OBSERVER(S)            INSTRUMENT     START  FINISH
--------------------------------------------------------------------
B.Morris     G.Stefansson, J.Wisniewski arctic         17:37   00:00
M.Brotherton      A.Cavanaugh           TSPEC          00:13   06:53
   INST       SCHEDULED     WEATH     EQUIP      OBS     NOT USED
 I/ROW/DN   START  FINISH   D    B    D    B    D    B    D    B
 ----------------------------------------------------------------
UW01/R     17:37   00:10    0    0    0    0   4.1  2.5   0    0
WY02/R     00:10   06:54    0    0    0    0   0.0  6.7   0    0
note: scheduled times listed include instrument change time
              ------------- ACTIVITY LOG --------------
Observing Specialist: C.Gray
Around 17:00 I switched from agile to arctic and executed a test slew.  The rotator did not move (was left as buffer empty).  I did a rotator init and executed a rotation and everything was good.
Bill had me close the valve of DIS blue camera after the temperature dropped to 180K. Everything looks good.
No issues with the echelle tonight; the temperature at dawn was about -6 and the shutter worked fine.
-------
Happy Burns Night, everyone!
Lift for glasses and toast the haggis! ..I opted for a shorter poem than the haggis toast.
The Banks o’ Doon
Ye banks and braes o’ bonie Doon,
How can ye bloom sae fresh and fair?
How can ye chant, ye little birds,
And I sae weary fu’ o’ care!
Thou’ll break my heart, thou warbling bird,
That wantons thro’ the flowering thorn:
Thou minds me o’ departed joys,
Departed never to return.
Aft hae I rov’d by Bonie Doon,
To see the rose and woodbine twine:
And ilka bird sang o’ its Luve,
And fondly sae did I o’ mine;
Wi’ lightsome heart I pu’d a rose,
Fu’ sweet upon its thorny tree!
And may fause Luver staw my rose,
But ah! he left the thorn wi’ me.
                    ------- FAILURE LOG -------
PROG   INST   FAILURE MODE     TIME
    (SEDFNVOG)   TI/SHU    START  FINISH  DESCRIPTION
----------------------------------------------------------------------
            ---------------- FOCUS LOG ---------------
Time  Instrument  Focus     Az  El  Temp Strc Prim  Sec  Air  filt  FWHM
--------------------------------------------------------------------------
 00:29 tcamera    878(  582) 102  47  -3.4 -4.0 -3.4 -4.0 -3.9   Ks  0.99
 02:21 tcamera    863(  535)  22  50  -4.7 -4.7 -4.0 -4.8 -4.7   Ks  1.08
               ------------- WEATHER LOG ----------------
                                   Wind                      Precip.or
     Time   Temp F Dewp F  MPH  Direction    Dust    Sky    Conditions
    ------------------------------------------------------------------
     16:00    28     8      7     9    (N)    126    clear     none
     17:00    27     8      6   318   (NW)     93    clear     none
     18:00    25     9      3   357    (N)    122    clear     none
     19:00    25     8     13    10    (N)     80    clear     none
     20:00    25     6      2   350    (N)     48    clear     none
     21:00    26    -2      5   354    (N)     99    clear     none
     22:00    25     2      9   350    (N)     79    clear     none
     23:00    27     1      6   353    (N)     78    clear     none
     00:00    26     3      9   343  (NNW)    104    clear     none
     01:00    26     6     13   345  (NNW)     78    clear     none
     02:00    24     9      9   354    (N)     82    clear     none
     03:00    23     9     12   321   (NW)     71    clear     none
     04:00    24     8     15   293  (WNW)     56    clear     none
     05:00    24     6     13   290  (WNW)     69    clear     none
     06:00    22     7     16   294  (WNW)    428    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 STATUS
    Telescope drives operational. Current TCC version: 1.2.4
    Current TUI version: 2.6.0