Subject: 3.5m Night Log 20210521
From: dembicky@apo.nmsu.edu
Date: Sat, 22 May 2021 10:06:40 +0000 (UTC)
                      Apache Point Observatory
                      3.5m Telescope Night Log
                      Friday, May 21, 2021
PROG  PI ASTRONOMER      OBSERVER(S)
--------------------------------------------------------------------
GS02  S.Lepine          N.Hejazi
CU01  W.Waalkes         W.Waalkes
                         ACTUAL
PROG  INSTRUMENT     START   FINISH
--------------------------------------------------------------------
GS02  ECHELLE        --:--   --:--
CU01  ARCTIC         --:--   --:--
   PROG       SCHEDULED      WEATH     EQUIP     OBS     NOT USED
 I/ROW/DTN  START  FINISH   D    B    D    B    D    B    D    B
-----------------------------------------------------------------
GS02/R      20:09  00:00    0   3.9   0    0   0.0  0.0   0    0
CU01/R      00:00  05:51   2.2  3.6   0    0   0.0  0.0   0    0
note: scheduled times listed include instrument change time
              ------------- ACTIVITY LOG --------------
Observing Specialist: J.Dembicky
Clouds all night as well as a few sprinkles.  We never opened.
                    ------- 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    61    27     22   201  (SSW)   3472   cloudy     none
     17:00    58    26     25   221   (SW)   2366   cloudy     none
     18:00    57    25     17   266    (W)   1020   cloudy     none
     19:00    55    22     20   214   (SW)    736   cloudy   lt rain
     20:00    54    24     23   212  (SSW)    770   cloudy     none
     21:00    53    25     12   213  (SSW)   1021   cloudy     none
     22:00    53    25      8   198  (SSW)   1180   cloudy     none
     23:00    52    26      5   201  (SSW)   1262   cloudy     none
     00:00    54    27     10   217   (SW)   1363   cloudy     none
     01:00    54    27     12   248  (WSW)   1365   cloudy   lt rain
     02:00    56    26     21   219   (SW)   1366   cloudy     none
     03:00    54    26     10   191    (S)   1318   cloudy     none
     04:00    55    26     12   194  (SSW)   1357   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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