Subject: 3.5m Night Log 20230627
From: ajt@apo.nmsu.edu
Date: Wed, 28 Jun 2023 12:23:56 +0000 (UTC)
                      Apache Point Observatory
                      3.5m Telescope Night Log
                      Tuesday, June 27, 2023
PROG  PI ASTRONOMER      OBSERVER(S)
--------------------------------------------------------------------
LA01  M.Hoffman         D.Thompson,M.Hoffman
NM01  A.Hedlund         A.Hedlund
LA01  M.Hoffman         D.Thompson,M.Hoffman
                         ON-SKY
PROG  INSTRUMENT     START   FINISH
--------------------------------------------------------------------
LA01  HSAR           21:36   22:45
NM01  ECHELLE        22:49   03:21
LA01  HSAR           03:25   05:40
   PROG       SCHEDULED      WEATH     EQUIP     OBS     NOT USED
 I/ROW/DTN  START  FINISH   D    B    D    B    D    B    D    B
-----------------------------------------------------------------
LA01/O      20:24  22:47    0  1.2    0    0   0.0  1.2   0    0
NM01/R      22:47  01:10    0    0    0    0   0.0  2.4   0    0
NM01/R      01:10  03:30    0    0    0    0   1.4  0.9   0    0
LA01/O      03:30  05:49    0    0    0    0   2.3  0.0   0    0
note: scheduled times listed include instrument change time
              ------------- ACTIVITY LOG --------------
Observing Specialist: A.Townsend,R.McMillan
We had about 30 bats in the dome this evening and I was able to free most of them during checkout.
There was nearby virga starting a little before sunset that kept us closed for a little over an hour after sunset, afterwards we did some some focusing and alignment with HSAR, and at dawn were able to shoot the laser!
The clouds got better in the middle of the night but got worse again towards morning. No telescope 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
--------------------------------------------------------------------------
 22:54 ecamera    303(  288) 122  45  19.7 21.8 22.0 21.2 20.9   Clear  1.13
               ------------- WEATHER LOG ----------------
                                   Wind                      Precip.or
     Time   Temp F Dewp F  MPH  Direction    Dust    Sky    Conditions
    ------------------------------------------------------------------
     16:00    79    35     17   225   (SW)   1883    clear     none
     17:00    83    35     12   225   (SW)   1743  ptly cldy   none
     18:00    80    33     15   236   (SW)   1685  ptly cldy   none
     19:00    77    32     14   263    (W)   1825  ptly cldy   none
     20:00    74    30     19   228   (SW)   1763 mstly cldy   none
     21:00    71    34      9   265    (W)   1956  ptly cldy   none
     22:00    69    35      1   279    (W)   2228 mstly clr    none
     23:00    69    31      6   213  (SSW)   1585 mstly clr    none
     00:00    69    36      3   248  (WSW)   1942 mstly clr    none
     01:00    70    35      6   267    (W)   1749 mstly clr    none
     02:00    67    37      7   267    (W)   2591 mstly clr    none
     03:00    67    37      5   259    (W)   1935 mstly clr    none
     04:00    67    36      5   280    (W)   1768  ptly cldy   none
     05:00    66    37      2   268    (W)   2005  ptly cldy   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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