Apache Point Observatory 3.5m Telescope Night Log Saturday, May 09, 2026 PROG PI ASTRONOMER OBSERVER(S) -------------------------------------------------------------------- OU03 G.Garcia G.Garcia GS02 D.Gies C.Kane ON-SKY PROG INSTRUMENT START FINISH -------------------------------------------------------------------- OU03 NICFPS -- -- GS02 ECHELLE 01:40 03:42 PROG SCHEDULED WEATH EQUIP OBS NOT USED I/ROW/DTN START FINISH D B D B D B D B ----------------------------------------------------------------- OU03/R 20:00 01:10 5.2 0 0 0 0.0 0.0 0 0 GS02/R 01:10 05:59 0.5 2.3 0 0 0.6 1.4 0 0 note: scheduled times listed include instrument change time ------------- ACTIVITY LOG -------------- Observing Specialist: T.McQuaid restarted dataq at 19:15 closed for first portion of the night due to radar returns in the area and cloud cover but was able to open at 01:40 Closed again at 03:42 due to radar returns in the vicinity and stayed closed rest of the night. ------- 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 -------------------------------------------------------------------------- 01:53 ecamera 427( 241) 202 44 15.2 14.9 16.8 14.9 14.9 ND3 0.84 ------------- WEATHER LOG ---------------- Wind Precip.or Time Temp F Dewp F MPH Direction Dust Sky Conditions ------------------------------------------------------------------ 16:00 69 22 15 254 (WSW) 1093 clear none 17:00 65 20 11 290 (WNW) 1134 clear none 18:00 65 21 15 263 (W) 1099 clear none 19:00 65 22 14 255 (WSW) 1111 mstly clr none 20:00 60 20 8 186 (S) 1131 ptly cldy none 21:00 60 18 9 210 (SSW) 1074 ptly cldy none 22:00 59 17 14 213 (SSW) 1050 ptly cldy none 23:00 59 17 11 200 (SSW) 1108 mstly cldy none 00:00 57 16 6 194 (SSW) 1143 mstly cldy none 01:00 59 17 9 5 (N) 1310 mstly clr none 02:00 59 19 10 6 (N) 1178 mstly clr none 03:00 57 20 12 288 (WNW) 1199 ptly cldy none 04:00 56 21 5 358 (N) 1522 mstly cldy none 05:00 55 19 9 16 (NNE) 1238 mstly 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. ---------- TELESCOPE SOFTWARE ---------- Current TCC version: 1.4.2 Current HUB version: v20171231_01 Current TUI version: 3.1.8