Apache Point Observatory
                      3.5m Telescope Night Log
                      Tuesday, October 27, 2026

PROG  PI ASTRONOMER      OBSERVER(S) 
--------------------------------------------------------------------
EN01  C.Smith           T.Sutherland,R.McMillan

                         ON-SKY
PROG  INSTRUMENT     START   FINISH
--------------------------------------------------------------------
EN01  Echelle        23:50   01:20                 

   PROG       SCHEDULED      WEATH     EQUIP     OBS     NOT USED
 I/ROW/DTN  START  FINISH   D    B    D    B    D    B    D    B
-----------------------------------------------------------------
EN01/R      18:25  01:10    0.8   4.7   0    0   0   1.3   0    0
EN01/R      01:10  07:09    0    5.8   0    0   0.0  0.2   0    0

note: scheduled times listed include instrument change time

              ------------- ACTIVITY LOG --------------
Observing Specialist: T.Sutherland

Opened briefly before sunset, then closed soon thereafter for humidity. Stayed closed until just before midnight. Closed at 1:20am due to rising humidity and finishing all possible on sky tasks. 

Optidew sensor is stuck reading really high.

Thanks Jack for helping out with beginning of the night tasks!

Engineering tasks completed:
- ecam focus and new mask
- learned to do apollo planning/proposal and drafted a possible AP01 Q1 proposal
- transferring Russet's Apollo guide to the wiki
- checked pointing on na2, na1, bc1 and did tertiary tilts where needed

                    ------- 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
--------------------------------------------------------------------------


               ------------- WEATHER LOG ----------------

                                   Wind                      Precip.or
     Time   Temp F Dewp F  MPH  Direction    Dust    Sky    Conditions
    ------------------------------------------------------------------
	
     16:00    51    41     12   216   (SW)    284  ptly cldy   none 
     17:00    52    42      9   208  (SSW)    301  ptly cldy   none 
     18:00    49    43     11   192  (SSW)         ptly cldy  humid 
     19:00    47    42     11   185    (S)         ptly cldy  humid 
     20:00    46    42     12   185    (S)           clear    humid 
     21:00    46    41     11   188    (S)           clear    humid 
     22:00    46    40     12   185    (S)           clear    humid 
     23:00    46    36     12   194  (SSW)           clear     none 
     00:00    47    36     11   196  (SSW)    370    clear     none 
     01:00    46    39     12   197  (SSW)           clear    humid 
     02:00    46    36      9   213  (SSW)           clear    humid 
     03:00    46    33     11   210  (SSW)    483    clear     none 
     04:00    45    36     12   241  (WSW)    548    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: 3.2.2