Subject: 3.5m Night Log 20231108
From: decolib@apo.nmsu.edu
Date: Thu,  9 Nov 2023 11:10:34 +0000 (UTC)
                      Apache Point Observatory
                      3.5m Telescope Night Log
                      Wednesday, November 08, 2023
PROG  PI ASTRONOMER      OBSERVER(S)
--------------------------------------------------------------------
UW09  B.Morris          S.Hawley
UW03  S.Hawley          L.Hebb
UW02  P.Yoachim         J.Jiang
WY03  M.Brotherton      M.Brotherton
                         ON-SKY
PROG  INSTRUMENT     START   FINISH
--------------------------------------------------------------------
UW09  ECHELLE        17:15   20:05
UW03  ARCTIC         20:08   00:07
UW02  KOSMOS         --:--   --:--
WY03  TSPEC          --:--   --:--
   PROG       SCHEDULED      WEATH     EQUIP     OBS     NOT USED
 I/ROW/DTN  START  FINISH   D    B    D    B    D    B    D    B
-----------------------------------------------------------------
UW09/R      17:15  20:10    0    0    0    0   2.9  0.0   0    0
UW03/R      20:10  01:20   1.2   0    0    0   4.0  0.0   0    0
UW02/R      01:20  04:19   1.5  1.5   0    0   0.0  0.0   0    0
WY03/R      04:19  06:19    0   2.0   0    0   0.0  0.0   0    0
note: scheduled times listed include instrument change time
              ------------- ACTIVITY LOG --------------
Observing Specialist: R.DeColibus
The night was plagued with clouds, although the A-half observers pushed through for what they could. UW03 gave up about an hour early because the clouds were too thick to really get anything. The clouds never got any better, and it started to rain shortly after 2 AM. After consultation with the observers and no chance of opening before sunrise, we gave up at 04:00.
Aside from an issue with the NICFPS filter wheels (PR 2172) and one of the observers having trouble downloading images (see email), the night was otherwise uneventful.
                    ------- 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
--------------------------------------------------------------------------
 17:33 ecamera    525(  318) -65  39   9.9 10.1 10.3  9.8  9.8   ND1  1.32
 20:20 arctic   397( 1211)  90  79   9.3  9.0  9.5  9.1  9.1   SDSS_u  1.60
               ------------- WEATHER LOG ----------------
                                   Wind                      Precip.or
     Time   Temp F Dewp F  MPH  Direction    Dust    Sky    Conditions
    ------------------------------------------------------------------
     16:00    54    20     26   246  (WSW)   1191  ptly cldy   none
     17:00    50    22     18   262    (W)   1432  ptly cldy   none
     18:00    50    23     17   286  (WNW)   1021  ptly cldy   none
     19:00    50    23     17   271    (W)   1132 mstly cldy   none
     20:00    49    23     17   300  (WNW)    676 mstly cldy   none
     21:00    48    22     13   296  (WNW)    504 mstly cldy   none
     22:00    48    20     10   299  (WNW)    489 mstly cldy   none
     23:00    49    20     12   306   (NW)    452 mstly cldy   none
     00:00    48    21      8   292  (WNW)    444   cloudy     none
     01:00    48    21      9   295  (WNW)    414   cloudy     none
     02:00    47    21      9   306   (NW)    471   cloudy   lt rain
     03:00    42    30      9   215   (SW)    667   cloudy   lt rain
     04:00    40    30      1   278    (W)    631   cloudy   lt rain
     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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