Apache Point Observatory
                      3.5m Telescope Night Log
                      Monday, April 06, 2026

PROG  PI ASTRONOMER      OBSERVER(S) 
--------------------------------------------------------------------
JH05  N.Zakamska        G.Pallathadka         
UW01  P.Yoachim         Z.Liu                 
WY01  M.Brotherton      M.Brotherton          

                         ON-SKY
PROG  INSTRUMENT     START   FINISH
--------------------------------------------------------------------
JH05  ECHELLE        --      --      
UW01  KOSMOS         --      --
WY01  KOSMOS         --      --

   PROG       SCHEDULED      WEATH     EQUIP     OBS     NOT USED
 I/ROW/DTN  START  FINISH   D    B    D    B    D    B    D    B
-----------------------------------------------------------------
JH05/R      19:36  01:10   4.6  1.0   0    0   0.0  0.0   0    0
UW01/R      01:10  04:55    0   3.8   0    0   0.0  0.0   0    0
WY01/R      04:55  06:35    0   1.7   0    0   0.0  0.0   0    0

note: scheduled times listed include instrument change time

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

closed throughout the night due to rain and cloud coverage
called it a night quarter past 5.

                    ------- 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    49    29     13   195  (SSW)    651   cloudy     none 
     17:00    47    28     16   208  (SSW)    705   cloudy     none 
     18:00    44    28     10   173    (S)    724   cloudy     none 
     19:00    42    28      8   169    (S)    759   cloudy     none 
     20:00    42    27     10   175    (S)    626   cloudy     rain 
     21:00    37    33     18   148  (SSE)          cloudy     rain 
     22:00    37    32     19   139   (SE)          cloudy     rain 
     23:00    37    32     12   178    (S)          cloudy     rain 
     00:00    37    32     15   192  (SSW)          cloudy     rain 
     01:00    37    32      6   183    (S)          cloudy     rain 
     02:00    37    32      8   208  (SSW)          cloudy     none 
     03:00    36    32      8   226   (SW)          cloudy     none 
     04:00    37    32      9   231   (SW)          cloudy     none 
     05:00    37    28      8   193  (SSW)          cloudy     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