Subject: 3.5m Night Log 20221012
From: cgray@apo.nmsu.edu
Date: Thu, 13 Oct 2022 13:53:30 +0000 (UTC)
                      Apache Point Observatory
                      3.5m Telescope Night Log
                      Wednesday, October 12, 2022
PROG  PI ASTRONOMER      OBSERVER(S)
--------------------------------------------------------------------
NM01  N.Chanover        N.Chanover
GS02  D.Gies            K.Shepard
JH07  R.Vervack         R.Vervack
                         ON-SKY
PROG  INSTRUMENT     START   FINISH
--------------------------------------------------------------------
NM01  NAIC           18:42   00:48
GS02  ECHELLE        01:14   05:44
JH07  KOSMOS         05:47   06:55
   PROG       SCHEDULED      WEATH     EQUIP     OBS     NOT USED
 I/ROW/DTN  START  FINISH   D    B    D    B    D    B    D    B
-----------------------------------------------------------------
NM01/O      18:42  01:10    0    0    0    0   1.6  4.8   0    0
GS02/R      01:10  05:46    0    0    0    0   0.0  4.6   0    0
JH07/R      05:46  06:58    0    0    0    0   0.0  1.2   0    0
note: scheduled times listed include instrument change time
              ------------- ACTIVITY LOG --------------
Observing Specialist: C.Gray
We had mostly clear skies and good seeing for nights (it just looks like bad seeing because we were so low in the atmosphere!!). We tried Kcam with no ND filter and things were too bright, even with some help from the clouds. We then tried the ND1 filter and it was still a little too bright, but you could make out the phase of Mercury. It looks like ND2 on clear nights is the trick.
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
--------------------------------------------------------------------------
 01:18 ecamera    329( -292) 235  35  10.4  8.7  9.6  8.7  9.0   ND2  1.11
 05:59 klow   321(  728)  80  14  10.1  7.8  8.6  7.6  8.6   --  2.61
               ------------- WEATHER LOG ----------------
                                   Wind                      Precip.or
     Time   Temp F Dewp F  MPH  Direction    Dust    Sky    Conditions
    ------------------------------------------------------------------
     16:00    55    36     15   299  (WNW)    522    clear     none
     17:00    54    31      4   293  (WNW)    532    clear     none
     18:00    53    26      6   286  (WNW)    542    clear     none
     19:00    51    22      8   284  (WNW)    596    clear     none
     20:00    50    28     12   287  (WNW)    533    clear     none
     21:00    48    29      6   259    (W)    499 mstly clr    none
     22:00    49    32      3   251  (WSW)    359 mstly clr    none
     23:00    49    32      5   244  (WSW)    434    clear     none
     00:00    49    30      2   213  (SSW)    482    clear     none
     01:00    51    26      2   231   (SW)    441 mstly clr    none
     02:00    50     0      2   221   (SW)    475 mstly clr    none
     03:00    50    25      2   252  (WSW)    425  ptly cldy   none
     04:00    50    25      3   332  (NNW)    469 mstly clr    none
     05:00    49    26      1   274    (W)    426 mstly clr    none
     06:00    50    25      2   287  (WNW)    440 mstly clr    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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