Subject: 3.5m Night Log 20210425
From: dembicky@apo.nmsu.edu
Date: Mon, 26 Apr 2021 12:03:35 +0000 (UTC)
                      Apache Point Observatory
                      3.5m Telescope Night Log
                      Sunday, April 25, 2021
PROG  PI ASTRONOMER      OBSERVER(S)
--------------------------------------------------------------------
OU02  J.Wisniewski      S.Kanodia
WY01  J.McLane          J.McLane
JH06  T.Marriage        M.Hilton
                         ACTUAL
PROG  INSTRUMENT     START   FINISH
--------------------------------------------------------------------
OU02  ARCTIC         19:00   00:20
WY01  TSPEC          01:15   02:25
JH06  NICFPS         02:40   05:46
   PROG       SCHEDULED      WEATH     EQUIP     OBS     NOT USED
 I/ROW/DTN  START  FINISH   D    B    D    B    D    B    D    B
-----------------------------------------------------------------
OU02/R      19:49  01:10    0   0.8   0    0   0.0  4.6   0    0
WY01/R      01:10  02:40    0   0.2   0    0   0.0  1.3   0    0
JH06/R      02:40  06:12    0    0    0    0   0.0  3.5   0    0
note: scheduled times listed include instrument change time
              ------------- ACTIVITY LOG --------------
Observing Specialist: J.Dembicky
1st program worked through the clouds but the clouds definately didn't help with the transit observations.  They finished a little early, as their transit was over, and we closed to allow them take some cals.  I didn't re-open since the clouds at that point were pretty bad.
We had a clearing about 01:00 and I re-opened for the 2nd program.  The 2nd program gave up a few minutes early as the clouds came back and again were a little too thick to observe.
We opened for the 3rd program and they fought clouds for the entire remainder of the night.
                    ------- 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
--------------------------------------------------------------------------
 20:13 arctic   671( 1264) 130  72  12.3 13.8 13.6 13.3 12.3   sdss_i  0.75
 01:20 tcamera    395( 1054)  92  65  10.0 10.9 11.5 10.9 10.2   Ks  1.10
 02:45 NICFPS     304( 1206) 220  61   9.3  9.6 10.3  9.5  9.3   Ks  0.93
               ------------- WEATHER LOG ----------------
                                   Wind                      Precip.or
     Time   Temp F Dewp F  MPH  Direction    Dust    Sky    Conditions
    ------------------------------------------------------------------
     16:00    62    17     17   260    (W)   1055  ptly cldy   none
     17:00    60    15     19   254  (WSW)   1006 mstly cldy   none
     18:00    61    17     18   219   (SW)    987 mstly cldy   none
     19:00    57    12     15   220   (SW)    976  ptly cldy   none
     20:00    54     9     18   213  (SSW)   1069  ptly cldy   none
     21:00    54     9     20   206  (SSW)   1626 mstly cldy   none
     22:00    53     8     19   196  (SSW)   1209   cloudy     none
     23:00    54     8     20   218   (SW)   1252   cloudy     none
     00:00    52     8     15   216   (SW)   1064   cloudy     none
     01:00    52     7     18   227   (SW)   1149  ptly cldy   none
     02:00    50     5     17   250  (WSW)   1180 mstly cldy   none
     03:00    48     6     18   262    (W)   1691   cloudy     none
     04:00    48     5     15   263    (W)   1037   cloudy     none
     05:00    47     5     17   268    (W)   1283   cloudy     none
     06:00    46     4     19   265    (W)   1055   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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Current HUB version: v20171231_01
Current TUI version: 2.6.0