Apache Point Observatory 3.5m Telescope Night Log Thursday, July 02, 2026 PROG PI ASTRONOMER OBSERVER(S) -------------------------------------------------------------------- BY03 E.Hintz S.Felvus-Richmond,G.Steed AP01 S.Merkowitz R.McMillan,T.Sutherland UW07 S.Hawley L.Hebb ON-SKY PROG INSTRUMENT START FINISH -------------------------------------------------------------------- BY03 TripleSpec 20:24 01:00 AP01 APOLLO 01:09 02:09 UW07 ECHELLE 02:14 05:01 PROG SCHEDULED WEATH EQUIP OBS NOT USED I/ROW/DTN START FINISH D B D B D B D B ----------------------------------------------------------------- BY03/R 20:24 01:10 0 0 0 0 1.9 2.9 0 0 AP01/R 01:10 02:10 0 0 0 0 0.0 1.0 0 0 UW07/R 02:10 05:51 0 0 0 0 0.0 3.7 0 0 note: scheduled times listed include instrument change time ------------- ACTIVITY LOG -------------- Observing Specialist: T.Sutherland Dataq status says "File full" and that storage is 100% used. No major problems tonight. Nice clear weather :) No echelle iol this morning, cals were being taken ------- 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 -------------------------------------------------------------------------- 20:31 tcamera 663( 2071) 255 72 19.3 22.6 21.5 22.6 19.9 -- 1.48 21:42 tcamera 505( 1752) 216 75 16.4 19.1 19.2 18.2 16.3 -- 1.27 01:13 APOLLO 455( 2024) 52 37 14.7 14.4 15.1 14.2 14.6 -- 2.00 02:22 ecamera 585( 357) 179 52 14.6 14.2 14.8 14.2 14.2 ND1 1.59 ------------- WEATHER LOG ---------------- Wind Precip.or Time Temp F Dewp F MPH Direction Dust Sky Conditions ------------------------------------------------------------------ 16:00 74 30 12 244 (WSW) 724 mstly clr none 17:00 74 30 14 266 (W) 686 mstly clr none 18:00 71 27 12 238 (WSW) 710 mstly clr none 19:00 73 28 18 221 (SW) 724 mstly clr none 20:00 69 27 8 249 (WSW) 721 mstly clr none 21:00 67 27 11 237 (WSW) 723 mstly clr none 22:00 61 61 17 141 (SE) 2240 mstly clr none 23:00 60 50 19 135 (SE) 1905 mstly clr none 00:00 59 50 21 128 (SE) 1911 clear none 01:00 58 50 16 125 (SE) 1909 clear none 02:00 58 47 15 147 (SSE) 1749 clear none 03:00 58 47 14 158 (SSE) 1682 clear none 04:00 58 48 14 176 (S) 1730 clear none 05:00 59 49 13 182 (S) 1556 clear 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: