Subject: 3.5m Night Log 20220511
From: cgray@apo.nmsu.edu
Date: Thu, 12 May 2022 11:35:33 +0000 (UTC)
                      Apache Point Observatory
                      3.5m Telescope Night Log
                      Wednesday, May 11, 2022
PROG  PI ASTRONOMER      OBSERVER(S)
--------------------------------------------------------------------
BY05  S.Turner          S.Turner
UV01  J.Davidson        J.Davidson, E.Horch, S.Majewski, V.Sutherland
                         ON-SKY
PROG  INSTRUMENT     START   FINISH
--------------------------------------------------------------------
BY05  Tspec          20:01   00:45
UV01  DSSI           01:00   05:30
   PROG       SCHEDULED      WEATH     EQUIP     OBS     NOT USED
 I/ROW/DTN  START  FINISH   D    B    D    B    D    B    D    B
-----------------------------------------------------------------
BY05/R      20:01  01:10    0    0    0    0   0.0  5.2   0    0
UV01/R      01:10  05:58   0.5   0    0    0   1.4  2.9   0    0
note: scheduled times listed include instrument change time
              ------------- ACTIVITY LOG --------------
Observing Specialist: C.Gray
I brought back the arctic quad this afternoon.
The night started out clear but then we had clouds, then more clouds, then basically all clouds. The UV01 team was able to punch through now and then but we called it at 05:30.
No 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
--------------------------------------------------------------------------
 23:26 tcamera    422( 1534) 268  56  15.1 15.0 15.8 14.9 15.0   Ks  1.29
 01:28 dssi   447( 1647)  13  53  13.9 13.7 14.5 13.7 13.8   692  1.35
               ------------- WEATHER LOG ----------------
                                   Wind                      Precip.or
     Time   Temp F Dewp F  MPH  Direction    Dust    Sky    Conditions
    ------------------------------------------------------------------
     16:00    73    20     16   249  (WSW)   2386    clear     none
     17:00    69    19     24   259    (W)   2608    clear     none
     18:00    68    18     26   239  (WSW)   2070    clear     none
     19:00    66    17     21   232   (SW)   1333 mstly clr    none
     20:00    62    16     15   233   (SW)   1621 mstly clr    none
     21:00    62    18     14   212  (SSW)   1669 mstly clr    none
     22:00    62    17     18   232   (SW)   1699  ptly cldy   none
     23:00    60    15      9   246  (WSW)   1735  ptly cldy   none
     00:00    58    14     14   264    (W)   1458 mstly cldy   none
     01:00    57    11     12   272    (W)   1155   cloudy     none
     02:00    57    12      9   265    (W)   1363   cloudy     none
     03:00    55    13     17   250  (WSW)   1415   cloudy     none
     04:00    55    14     14   268    (W)   1375   cloudy     none
     05:00    54    13     18   264    (W)   1687   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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