Apache Point Observatory 3.5m Telescope Night Log Tuesday, May 05, 2026 PROG PI ASTRONOMER OBSERVER(S) -------------------------------------------------------------------- NM08 A.Peck E.Nielsen,A.Smith UW01 P.Yoachim D.Meng,Z.Xu JH02 C.Ingebretsen C.Ingebretsen AP01 S.Merkowitz R.McMillan,T.Sutherland,H.Abbot ON-SKY PROG INSTRUMENT START FINISH -------------------------------------------------------------------- NM08 ECHELLE --:-- --:-- UW01 KOSMOS 00:13 01:08 JH02 ECHELLE 01:13 04:57 AP01 APOLLO 05:00 05:58 PROG SCHEDULED WEATH EQUIP OBS NOT USED I/ROW/DTN START FINISH D B D B D B D B ----------------------------------------------------------------- NM08/R 19:57 22:34 2.6 0 0 0 0 0.0 0 0 UW01/R 22:34 01:10 1.2 0.5 0 0 0 0.9 0 0 JH02/R 01:10 05:03 0 0 0 0 0.0 3.9 0 0 AP01/R 05:03 06:03 0 0 0 0 0.0 1.0 0 0 note: scheduled times listed include instrument change time ------------- ACTIVITY LOG -------------- Observing Specialist: T.Sutherland Restarted dataq at checkout. Clouds kept us closed the first part of the night, but they started to clear around midnight. More clouds rolled in again just in time for apollo. Go figure. 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 -------------------------------------------------------------------------- 00:25 kosmos 519( 924) -62 40 6.0 6.1 7.1 6.1 6.0 -- 1.94 01:19 ecamera 619( 4) -3 21 5.4 5.4 6.1 5.3 5.2 ND1 1.80 ------------- WEATHER LOG ---------------- Wind Precip.or Time Temp F Dewp F MPH Direction Dust Sky Conditions ------------------------------------------------------------------ 16:00 45 32 18 229 (SW) 1334 cloudy none 17:00 47 32 24 252 (WSW) 1134 cloudy none 18:00 46 32 21 256 (WSW) 1050 cloudy none 19:00 46 30 21 269 (W) 1388 cloudy none 20:00 45 28 18 263 (W) 1584 cloudy none 21:00 45 28 17 261 (W) 1440 cloudy none 22:00 44 28 18 261 (W) 1366 cloudy none 23:00 44 23 29 259 (W) 1308 mstly cldy none 00:00 43 22 28 267 (W) 1301 ptly cldy none 01:00 42 21 19 266 (W) 1266 mstly clr none 02:00 41 26 27 267 (W) 1243 mstly clr none 03:00 40 27 23 265 (W) 1289 clear none 04:00 38 28 20 266 (W) 1460 clear none 05:00 37 27 18 270 (W) 1425 mstly clr none 06:00 37 27 18 272 (W) 1589 mstly clr 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