Subject: 3.5m Night Log 20210603
From: cgray@apo.nmsu.edu
Date: Fri,  4 Jun 2021 10:07:27 +0000 (UTC)
                      Apache Point Observatory
                      3.5m Telescope Night Log
                      Thursday, June 03, 2021
PROG  PI ASTRONOMER      OBSERVER(S)
--------------------------------------------------------------------
GS01  D.Michael         G.Polack, B.Meena
NM03  A.Hedlund         A.Hedlund
AP01  S.Merkowitz       R.McMillan
                         ACTUAL
PROG  INSTRUMENT     START   FINISH
--------------------------------------------------------------------
GS01  ARCTIC         23:24   01:04
NM03  ECHELLE        01:07   01:31
AP01  APOLLO         --:--   --:--
   PROG       SCHEDULED      WEATH     EQUIP     OBS     NOT USED
 I/ROW/DTN  START  FINISH   D    B    D    B    D    B    D    B
-----------------------------------------------------------------
GS01/R      20:17  01:10   3.2   0    0    0   1.7  0.0   0    0
NM03/R      01:10  04:47   1.2  2.0   0    0   0.4  0.0   0    0
AP01/R      04:47  05:47    0   1.0   0    0   0.0  0.0   0    0
note: scheduled times listed include instrument change time
              ------------- ACTIVITY LOG --------------
Observing Specialist: C.Gray
small oscillations at 262, 51 at 23:29.
We had heavy thunderstorms throughout the afternoon and early evening but were able to open at23:24 when things cleared up a bit. I got distracted helping our new trainee begin their obs that I forgot to record the focus :/ It was 1.25"in the JC-R filter at 23:35. We had to quickly close at 01:31am when rain from the east started approaching. We were never able to reopen as the rain was not going to clear before dawn.
                    ------- 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
--------------------------------------------------------------------------
 00:12 ecamera    426( -224) 122  62  12.0 10.6 11.7 10.7 11.5   NA1  0.76
               ------------- WEATHER LOG ----------------
                                   Wind                      Precip.or
     Time   Temp F Dewp F  MPH  Direction    Dust    Sky    Conditions
    ------------------------------------------------------------------
     16:00    49    31     14    28  (NNE)          cloudy     rain
     17:00    52    31      2   352    (N)          cloudy     rain
     18:00    50    31      7   346  (NNW)          cloudy     rain
     19:00    53    31     16    20  (NNE)        mstly cldy lt rain
     20:00    53    31     18    34   (NE)          cloudy     none
     21:00    53    31     14    59  (ENE)          cloudy     none
     22:00    51    31     12    80    (E)         ptly cldy   none
     23:00    51    31      7    93    (E)        mstly clr    none
     00:00    51    31     11    81    (E)         ptly cldy   none
     01:00    53    31      0   234   (SW)         ptly cldy   none
     02:00    52    31      2   221   (SW)         ptly cldy   none
     03:00    54    31      2   253  (WSW)        mstly cldy   rain
     04:00    53    31      1   152  (SSE)        mstly cldy   rain
     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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