Subject: 3.5m Night Log 20250212
From: cgray@apo.nmsu.edu
Date: Thu, 13 Feb 2025 13:44:40 +0000 (UTC)
                      Apache Point Observatory
                      3.5m Telescope Night Log
                      Wednesday, February 12, 2025
PROG  PI ASTRONOMER      OBSERVER(S)
--------------------------------------------------------------------
CU04  K.McGouldrick     K.McGouldrick
OU05  J.Serna           J.Serna
CU02  C.Murray          C.Murray
BY01  S.Call            S.Call
                         ON-SKY
PROG  INSTRUMENT     START   FINISH
--------------------------------------------------------------------
CU04  TripleSpec     --:--   --:--
OU05  ECHELLE        22:09   00:08
CU02  KOSMOS         00:22   05:02
BY01  TripleSpec     05:15   06:39
   PROG       SCHEDULED      WEATH     EQUIP     OBS     NOT USED
 I/ROW/DTN  START  FINISH   D    B    D    B    D    B    D    B
-----------------------------------------------------------------
CU04/R      17:55  19:55   0.1  1.9   0    0    0    0    0    0
OU05/R      19:55  00:10    0   2.2   0    0   0.0  2.1   0    0
CU02/R      00:10  05:09    0    0    0    0   0.0  5.0   0    0
BY01/R      05:09  06:39    0    0    0    0   0.0  1.5   0    0
note: scheduled times listed include instrument change time
              ------------- ACTIVITY LOG --------------
Observing Specialist: C.Gray
The night started full of clouds and dust. The dust eventually went away and we opened near 10pm. The clouds did not go away, but they thinned enough for us to observe without too much of an issue. The humidity was high until about 4am when there was a wind shift and we dropped down to 50%. Given the wind, dust, and humidity, I was surprised that we had such modest seeing!
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
--------------------------------------------------------------------------
 22:15 ecamera    252( -586) -45  42  -3.6 -3.2 -2.7 -3.1 -3.6   Clear  1.35
 00:47 kosmos   351(  441)  57  58  -3.8 -4.5 -3.9 -4.6 -4.4   --  0.98
 05:22 tcamera    252(  597) -33  48  -4.1 -4.5 -3.9 -4.4 -4.3   Ks  1.30
               ------------- WEATHER LOG ----------------
                                   Wind                      Precip.or
     Time   Temp F Dewp F  MPH  Direction    Dust    Sky    Conditions
    ------------------------------------------------------------------
     16:00    27    17     22   265    (W)   9093   cloudy     dust
     17:00    28    17     20   249  (WSW)  12100   cloudy     dust
     18:00    28    17     33   282  (WNW)   8327   cloudy     dust
     19:00    27    18     22   266    (W)          cloudy     dust
     20:00    27    18     19   277    (W)          cloudy     dust
     21:00    26    18     13   265    (W)          cloudy     none
     22:00    26    18     10   321   (NW)        mstly cldy   none
     23:00    24    18     10   313   (NW)        mstly cldy   none
     00:00    25    18     15   306   (NW)        mstly cldy   none
     01:00    24    15     12   319   (NW)         ptly cldy   none
     02:00    24    16     12   336  (NNW)         ptly cldy   none
     03:00    24    17     12   321   (NW)         ptly cldy   none
     04:00    26     6     10   282  (WNW)   1123  ptly cldy   none
     05:00    26     6      5   280    (W)   1102  ptly cldy   none
     06:00    25     6     12   324   (NW)    912  ptly cldy   dust
     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.
              ----------  TELESCOPE SOFTWARE  ----------
Current TCC version: 1.4.2
Current HUB version: v20171231_01
Current TUI version: 3.1.8