Subject: 3.5m Night Log 20231117
From: decolib@apo.nmsu.edu
Date: Sat, 18 Nov 2023 11:40:11 +0000 (UTC)
                      Apache Point Observatory
                      3.5m Telescope Night Log
                      Friday, November 17, 2023
PROG  PI ASTRONOMER      OBSERVER(S)
--------------------------------------------------------------------
AP01  S.Merkowitz       R.McMillan
UW06  J.Davenport       J.Davenport
GS01  M.Crenshaw        J.Falcone,M.Shea
                         ON-SKY
PROG  INSTRUMENT     START   FINISH
--------------------------------------------------------------------
AP01  APOLLO         17:06   18:11
UW06  KOSMOS         18:16   20:18
GS01  KOSMOS         --:--   --:--
   PROG       SCHEDULED      WEATH     EQUIP     OBS     NOT USED
 I/ROW/DTN  START  FINISH   D    B    D    B    D    B    D    B
-----------------------------------------------------------------
AP01/R      17:10  18:10    0    0    0    0   0.0  1.0   0    0
UW06/R      18:10  00:10   3.2  0.8   0    0   0.0  2.0   0    0
GS01/R      00:10  06:27   6.3   0    0    0   0.0  0.0   0    0
note: scheduled times listed include instrument change time
              ------------- ACTIVITY LOG --------------
Observing Specialist: R.DeColibus
Clouds. We were able to punch through fragmented clouds a little bit with APOLLO, but more moved in around 18:00 which made observing with KOSMOS difficult. We stuck it out trying to observe but stopped about 20:15.
In B-half, we didn't open at all, and gave up at 04:40 when the weather showed no hope of clearing.
                    ------- 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
--------------------------------------------------------------------------
 17:10 APOLLO     500( 2105) -10  42   7.8 10.9  9.6 10.4  9.3   530  1.20
 18:41 kosmos   278( 1038) 159  58   8.1  8.7  8.6  8.3  8.2   --  1.33
               ------------- WEATHER LOG ----------------
                                   Wind                      Precip.or
     Time   Temp F Dewp F  MPH  Direction    Dust    Sky    Conditions
    ------------------------------------------------------------------
     16:00    49    37      7   273    (W)    254  ptly cldy   none
     17:00    46    37      5   273    (W)    193 mstly cldy   none
     18:00    46    35      9   272    (W)    107 mstly cldy   none
     19:00    47    33     12   299  (WNW)     90   cloudy     none
     20:00    47    38      7   254  (WSW)    243   cloudy     none
     21:00    47    39      8   258  (WSW)    370   cloudy     none
     22:00    46    39     14   215   (SW)    360   cloudy     none
     23:00    46    39     12   210  (SSW)    671   cloudy     none
     00:00    47    36     11   211  (SSW)    291   cloudy     none
     01:00    46    39     13   206  (SSW)    702   cloudy     none
     02:00    46    39     12   259    (W)    722   cloudy     none
     03:00    46    39     11   247  (WSW)    293   cloudy     none
     04:00    46    39     12   236   (SW)    405   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.
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