Subject: 3.5m Night Log 20230615 From: decolib@apo.nmsu.edu Date: Fri, 16 Jun 2023 10:17:03 +0000 (UTC) Apache Point Observatory 3.5m Telescope Night Log Thursday, June 15, 2023 PROG PI ASTRONOMER OBSERVER(S) -------------------------------------------------------------------- WY01 C.Kobulnicky Sterling, Xander UW02 B.Choi B.Choi ON-SKY PROG INSTRUMENT START FINISH -------------------------------------------------------------------- WY01 KOSMOS 20:48 01:04 UW02 ECHELLE 01:08 03:58 PROG SCHEDULED WEATH EQUIP OBS NOT USED I/ROW/DTN START FINISH D B D B D B D B ----------------------------------------------------------------- WY01/R 20:22 01:10 0 0 0 0 4.8 0.0 0 0 UW02/R 01:10 05:46 0.5 1.3 0 0 2.7 0.0 0 0 note: scheduled times listed include instrument change time ------------- ACTIVITY LOG -------------- Observing Specialist: D.DeColibus Clear until some clouds started forming over the ridge around 21:45. By 2 AM, it was completely overcast. The satellite view did not show much hope for reopening, so we closed up around 4 AM. ------- 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 -------------------------------------------------------------------------- 21:00 kosmos 411( 1264) 100 61 16.9 18.1 18.2 17.9 16.8 -- 1.48 22:13 kosmos 506( 1326) 54 19 16.5 16.7 17.1 16.4 16.6 -- 3.25 01:13 ecamera 411( 103) 50 46 15.6 15.6 16.1 15.6 15.6 ND2 1.34 ------------- WEATHER LOG ---------------- Wind Precip.or Time Temp F Dewp F MPH Direction Dust Sky Conditions ------------------------------------------------------------------ 16:00 69 22 22 267 (W) 1455 clear none 17:00 68 19 33 262 (W) 1332 clear none 18:00 65 18 15 290 (WNW) 1012 clear none 19:00 65 18 23 284 (WNW) 1129 clear none 20:00 64 17 18 277 (W) 1355 clear none 21:00 62 16 19 279 (W) 1434 mstly clr none 22:00 62 16 18 266 (W) 2392 mstly cldy none 23:00 62 15 19 297 (WNW) 2066 ptly cldy none 00:00 60 15 12 273 (W) 1499 mstly cldy none 01:00 61 15 14 290 (WNW) 1177 mstly cldy none 02:00 60 16 13 269 (W) 1122 cloudy none 03:00 59 17 10 260 (W) 990 cloudy none 04:00 59 15 15 268 (W) 981 cloudy 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. ---------- TELESCOPE SOFTWARE ---------- Current TCC version: 1.4.2 Current HUB version: v20171231_01 Current TUI version: a>