Subject: 3.5m Night Log 20240317 From: ajt@apo.nmsu.edu Date: Mon, 18 Mar 2024 11:01:39 +0000 (UTC) Apache Point Observatory 3.5m Telescope Night Log Sunday, March 17, 2024 PROG PI ASTRONOMER OBSERVER(S) -------------------------------------------------------------------- WY04 M.Brotherton M.Brotherton BY01 E.Hintz S.Call UW02 P.Yoachim J.Jiang OU02 A.Moss A.Moss ON-SKY PROG INSTRUMENT START FINISH -------------------------------------------------------------------- WY04 TSPEC --:-- --:-- BY01 TSPEC --:-- --:-- UW02 KOSMOS --:-- --:-- OU02 KOSMOS --:-- --:-- PROG SCHEDULED WEATH EQUIP OBS NOT USED I/ROW/DTN START FINISH D B D B D B D B ----------------------------------------------------------------- WY04/R 19:22 20:52 0 1.5 0 0 0.0 0.0 0 0 BY01/R 20:52 22:10 0 1.3 0 0 0.0 0.0 0 0 UW02/R 22:10 01:10 0 3.0 0 0 0.0 0.0 0 0 OU02/R 01:10 07:00 3.4 2.5 0 0 0.0 0.0 0 0 note: scheduled times listed include instrument change time ------------- ACTIVITY LOG -------------- Observing Specialist: A.Townsend Light snow flurries and/or freezing fog starting a little before 20:00 that continued for most of the night. We had radar, clouds, wind, humidity, and didn't get to open at all. ------- 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 -------------------------------------------------------------------------- ------------- WEATHER LOG ---------------- Wind Precip.or Time Temp F Dewp F MPH Direction Dust Sky Conditions ------------------------------------------------------------------ 16:00 40 19 3 241 (WSW) 586 ptly cldy none 17:00 44 21 16 207 (SSW) 564 ptly cldy none 18:00 38 23 7 192 (SSW) 742 cloudy none 19:00 33 29 18 72 (ENE) 959 cloudy lt snow 20:00 32 30 24 79 (E) cloudy lt snow 21:00 32 30 21 86 (E) cloudy lt snow 22:00 31 30 23 76 (ENE) cloudy lt snow 23:00 30 29 27 81 (E) cloudy lt snow 00:00 29 29 32 71 (ENE) cloudy lt snow 01:00 29 29 31 73 (ENE) cloudy lt snow 02:00 29 29 24 74 (ENE) cloudy fog 03:00 29 29 21 77 (ENE) cloudy fog 04:00 28 28 25 66 (ENE) cloudy lt snow 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: 3.1.3