Subject: 3.5m Night Log 20241228
From: ajt@apo.nmsu.edu
Date: Sun, 29 Dec 2024 14:27:28 +0000 (UTC)
                      Apache Point Observatory
                      3.5m Telescope Night Log
                      Saturday, December 28, 2024
PROG  PI ASTRONOMER      OBSERVER(S)
--------------------------------------------------------------------
JH02  S.Gezari          M.Karmen
NM05  W.Roberson        A.Abbas,A.Peck
                         ON-SKY
PROG  INSTRUMENT     START   FINISH
--------------------------------------------------------------------
JH02  KOSMOS         18:09   23:57
NM05  ECHELLE        00:04   06:44
   PROG       SCHEDULED      WEATH     EQUIP     OBS     NOT USED
 I/ROW/DTN  START  FINISH   D    B    D    B    D    B    D    B
-----------------------------------------------------------------
JH02/R      17:14  00:10    0    0    0    0   6.9  0.0   0    0
NM05/R      00:10  06:56    0    0    0    0   6.0  0.8   0    0
note: scheduled times listed include instrument change time
              ------------- ACTIVITY LOG --------------
Observing Specialist: A.Townsend
We had clouds all night that we were able to shoot through, and some elevated wind gusts but never anything over the limit.
No telescope or instrument problems.
                    ------- 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
--------------------------------------------------------------------------
 18:17 kosmos   370(  835)  50  56   3.7  3.4  3.3  3.6  3.5   --  1.16
 00:17 ecamera    277( -186) 343  27   5.2  4.5  4.8  4.7  4.9   ND2  2.05
               ------------- WEATHER LOG ----------------
                                   Wind                      Precip.or
     Time   Temp F Dewp F  MPH  Direction    Dust    Sky    Conditions
    ------------------------------------------------------------------
     16:00    37    14     10    29  (NNE)    269  ptly cldy   none
     17:00    37    15     18     4    (N)    273  ptly cldy   none
     18:00    38    15     16    13  (NNE)    211  ptly cldy   none
     19:00    39    16      7   338  (NNW)    240  ptly cldy   none
     20:00    39    18     13     9    (N)    279  ptly cldy   none
     21:00    39    18     26    17  (NNE)    290  ptly cldy   none
     22:00    40    20     19     6    (N)    276  ptly cldy   none
     23:00    40    20     25    23  (NNE)    278  ptly cldy   none
     00:00    41    20     24    17  (NNE)    242  ptly cldy   none
     01:00    40    20     23    28  (NNE)    234  ptly cldy   none
     02:00    41    20     27    21  (NNE)    114  ptly cldy   none
     03:00    40    20     26    22  (NNE)    182 mstly clr    none
     04:00    40    19     26    16  (NNE)    122 mstly clr    none
     05:00    42    18     21    16  (NNE)     87 mstly clr    none
     06:00    42    18     24    19  (NNE)    123 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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