Subject: 3.5m Night Log 20240610
From: cgray@apo.nmsu.edu
Date: Tue, 11 Jun 2024 11:18:36 +0000 (UTC)
                      Apache Point Observatory
                      3.5m Telescope Night Log
                      Monday, June 10, 2024
PROG  PI ASTRONOMER      OBSERVER(S)
--------------------------------------------------------------------
UW02  P.Yoachim         J.Jiang
BY01  E.Hintz           S.Call
OU04  K.Leighly         D.Terndrup
                         ON-SKY
PROG  INSTRUMENT     START   FINISH
--------------------------------------------------------------------
UW02  KOSMOS         20:50   22:26
BY01  TripleSpec     --:--   --:--
OU04  KOSMOS         01:30   04:54
   PROG       SCHEDULED      WEATH     EQUIP     OBS     NOT USED
 I/ROW/DTN  START  FINISH   D    B    D    B    D    B    D    B
-----------------------------------------------------------------
UW02/R      20:20  23:40    0   1.7   0    0   0.0  1.6   0    0
BY01/R      23:40  01:10   1.1  0.4   0    0    0    0    0    0
OU04/R      01:10  05:46   0.3   0    0    0   4.3  0.0   0    0
note: scheduled times listed include instrument change time
              ------------- ACTIVITY LOG --------------
Observing Specialist: C.Gray
The night started out with virga and rain coming from the north. It mostly seemed to clear shortly after sunset and we were able to open with just a small delay. However, it started building again and we needed to close for a few hours in the middle of the night and BY01 lost all their time. Eventually it dissipated and we had lovely clear skies for the rest of the night! It looks like I didn't record the focus when we opened (I must not have hit submit) but it was 1.25" around 20:50.
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
--------------------------------------------------------------------------
 00:43 kosmos   336( 1358)  51  64  14.8 14.3 14.8 14.4 14.4   --  0.83
               ------------- WEATHER LOG ----------------
                                   Wind                      Precip.or
     Time   Temp F Dewp F  MPH  Direction    Dust    Sky    Conditions
    ------------------------------------------------------------------
     16:00    58    41     13   332  (NNW)   1053  ptly cldy   none
     17:00    59    41     10   353    (N)    884  ptly cldy   none
     18:00    60    39      1   141   (SE)    941  ptly cldy   none
     19:00    56    38     10    25  (NNE)   1278  ptly cldy   none
     20:00    56    38     15    17  (NNE)   1111 mstly clr    none
     21:00    56    37     10     1    (N)   1055 mstly cldy   none
     22:00    58    35      9   355    (N)   1018   cloudy     none
     23:00    60    34      7   345  (NNW)   1592   cloudy     none
     00:00    59    34     14    21  (NNE)    616   cloudy     none
     01:00    59    35     12    31  (NNE)    989  ptly cldy   none
     02:00    59    36     13    14  (NNE)    963 mstly clr    none
     03:00    58    36      1   343  (NNW)    973    clear     none
     04:00    57    36      8   348  (NNW)    958    clear     none
     05:00    56    37      7     1    (N)    944    clear     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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