Apache Point Observatory
                      3.5m Telescope Night Log
                      Saturday, February 21, 2026

PROG  PI ASTRONOMER      OBSERVER(S) 
--------------------------------------------------------------------
OU01  G.Jewett          M.Kilic, M.Barrientos 
NM03  T.McQuaid         T.McQuaid             

                         ON-SKY
PROG  INSTRUMENT     START   FINISH
--------------------------------------------------------------------
OU01  ARCTIC         18:03   00:07   
NM03  ECHELLE        00:10   05:55

   PROG       SCHEDULED      WEATH     EQUIP     OBS     NOT USED
 I/ROW/DTN  START  FINISH   D    B    D    B    D    B    D    B
-----------------------------------------------------------------
OU01/R      18:03  00:10    0    0    0    0   1.5  4.6   0    0
NM03/R      00:10  06:30    0    0    0    0   6.3  0.0   0    0

note: scheduled times listed include instrument change time

              ------------- ACTIVITY LOG --------------
Observing Specialist: J.Dembicky

2026-02-21 23:41:38 APO.Jack-ObsA 16 tcc f text="Failed to change to rotator 1: AxisDevice(rot1) failed to connect: Sub-command(s) failed: INIT: Timed out; STATUS: Timed out"

I restarted NA2-rotator controller and this fixed the issue.

I power cycled the barometer tonight.

No telescope issues. 

                    ------- 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
--------------------------------------------------------------------------
 18:41 arctic   560(  824) 151  38  -0.4  0.9  1.2  0.9 -0.3   BG40  1.31
 18:42 NA2gdr 36823(36823) 151  38  -0.5  0.9  1.2  0.9 -0.3   clear  1.61
 21:45 arctic   413(  524) 164  55  -2.7 -2.0 -2.2 -3.1 -2.9   BG40  1.20
 21:47 NA2gdr 35763(35763) 165  55  -2.8 -2.0 -2.2 -3.2 -3.0   R  1.39
 00:14 ecamera    500( -454) -14  53   0.0 -1.2 -0.8 -1.9 -0.5   clear  0.96

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

                                   Wind                      Precip.or
     Time   Temp F Dewp F  MPH  Direction    Dust    Sky    Conditions
    ------------------------------------------------------------------
	
     16:00    35     6      3   330  (NNW)    412    clear     none 
     17:00    34     6      6     1    (N)    446    clear     none 
     18:00    33     8     11    66  (ENE)    492    clear     none 
     19:00    30     8     14   119  (ESE)    486    clear     none 
     20:00    28     9     11    91    (E)    397    clear     none 
     21:00    27     9     11    90    (E)    417    clear     none 
     22:00    28     8     12    77  (ENE)    374    clear     none 
     23:00    34    -6      2   235   (SW)    898    clear     none 
     00:00    32    -2      2   200  (SSW)    558    clear     none 
     01:00    33    -1      1   216   (SW)    601    clear     none 
     02:00    31    -3      3   196  (SSW)    510 mstly clr    none 
     03:00    32    -1      2   173    (S)    586 mstly clr    none 
     04:00    31    -2      8   111  (ESE)    556  ptly cldy   none 
     05:00    32    -9     15   147  (SSE)    584  ptly cldy   none 
     06:00    32    -1     22   129   (SE)    572  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: 3.1.8