Subject: 3.5m Night Log 20240412
From: dembicky@apo.nmsu.edu
Date: Sat, 13 Apr 2024 13:22:21 +0000 (UTC)
                      Apache Point Observatory
                      3.5m Telescope Night Log
                      Friday, April 12, 2024
PROG  PI ASTRONOMER      OBSERVER(S)
--------------------------------------------------------------------
UW06  S.Hawley          S.Hawley
UW02  P.Yoachim         P.Yoachim
UV01  S.Majewski        S.Majewski
                         ON-SKY
PROG  INSTRUMENT     START   FINISH
--------------------------------------------------------------------
UW06  ECHELLE        19:40   22:51
UW02  KOSMOS         23:00   01:11
UV01  ECHELLE        01:16   06:25
   PROG       SCHEDULED      WEATH     EQUIP     OBS     NOT USED
 I/ROW/DTN  START  FINISH   D    B    D    B    D    B    D    B
-----------------------------------------------------------------
UW06/R      19:40  23:00    0    0    0    0   0.0  3.3   0    0
UW02/R      23:00  01:10    0    0    0    0   0.6  1.5   0    0
UV01/R      01:10  06:27    0    0    0    0   5.3  0.0   0    0
note: scheduled times listed include instrument change time
              ------------- ACTIVITY LOG --------------
Observing Specialist: J.Dembicky
UV01 had some issues with data not transferring over to their local machine at the very end of the night.  I helped by measuring counts so he could set the exposure times.
No telescope problems tonight.
                    ------- 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
--------------------------------------------------------------------------
 19:50 ecamera    521(  362)  65  80  10.5 11.6 12.0 11.4 10.9   ND2  0.92
 23:05 kosmos   375( 1149)  67  73   9.9  9.2  9.8  9.1  9.5   --  0.77
 01:28 dcamera    564( 1150) -28  53   8.6  8.5  9.1  8.5  8.5   --  1.32
               ------------- WEATHER LOG ----------------
                                   Wind                      Precip.or
     Time   Temp F Dewp F  MPH  Direction    Dust    Sky    Conditions
    ------------------------------------------------------------------
     16:00    58    18     24   186    (S)   2679  ptly cldy   none
     17:00    58    18     21   208  (SSW)   2501  ptly cldy   none
     18:00    55    16     20   184    (S)   2317  ptly cldy   none
     19:00    53    16     27   189    (S)   1735  ptly cldy   none
     20:00    51    15     16   183    (S)   2250  ptly cldy   none
     21:00    50    18     17   162  (SSE)   2569 mstly clr    none
     22:00    49    20     21   156  (SSE)   2608    clear     none
     23:00    50    19     19   179    (S)   2377    clear     none
     00:00    50    18     23   191    (S)   2176    clear     none
     01:00    48    19     20   204  (SSW)   2545    clear     none
     02:00    46    20     11   259    (W)   2733    clear     none
     03:00    46    18     13   265    (W)   2033    clear     none
     04:00    44    15     16   268    (W)   1414    clear     none
     05:00    44    14     18   276    (W)   1104    clear     none
     06:00    42    14     14   277    (W)   1238    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.
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