Subject: 3.5m Night Log 20251106 From: tmcquaid@apo.nmsu.edu Date: Fri, 7 Nov 2025 11:36:40 +0000 (UTC) Apache Point Observatory 3.5m Telescope Night Log Thursday, November 06, 2025 PROG PI ASTRONOMER OBSERVER(S) -------------------------------------------------------------------- EN01 B.Ketzeback T.McQuaid,R.McMillan AP01 S.Merkowitz R.McMillan,T.Sutherland EN01 B.Ketzeback T.McQuaid,R.McMillan ON-SKY PROG INSTRUMENT START FINISH -------------------------------------------------------------------- EN01 KOSMOS 17:16 22:00 EN01 ECHELLE 22:00 22:26 EN01 SHACK 22:26 23:30 AP01 APOLLO 23:30 01:10 EN01 KOSMOS 01:10 02:40 EN01 NA2GDR 02:40 03:05 PROG SCHEDULED WEATH EQUIP OBS NOT USED I/ROW/DTN START FINISH D B D B D B D B ----------------------------------------------------------------- EN01/R 17:16 00:10 0 0 0 0 0.6 6.3 0 0 AP01/R 00:10 01:10 0 0 0 0 0.0 1.0 0 0 EN01/R 01:10 06:18 0 3.2 0 0 0.0 1.9 0 0 note: scheduled times listed include instrument change time ------------- ACTIVITY LOG -------------- Observing Specialist: T.McQuaid Zeroed the rotator from -0.02 Reset axis controllers Started with KOSMOS, Focused kcam, new values are high=1100, center=1300, low=1550 Switched to echelle from 22:00-22:26 to check pointing Switched to Shack from 22:26-23:30 Switch to APOLLO from 23:30-1:10 Switched to KOSMOS from 1:10-02:40 Motion error detected during "tcc set inst=klow" at 02:30 Switched to NA2 guider at 02:40 and started a pointing model, only got 10 stars before dome closure. Motion error at 02:58 Closed due to high dust counts at 03:05 ------- 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 -------------------------------------------------------------------------- 18:54 kosmos 453( 1029) 111 78 9.1 10.3 10.6 9.6 9.4 -- 0.95 20:53 kosmos 403( 914) 203 65 9.8 8.8 9.4 8.4 8.8 -- 1.26 22:38 shack 300( 1544) 315 62 10.1 8.9 9.6 8.9 9.7 -- 1.20 23:45 APOLLO 425( 1719) 63 61 9.5 8.8 9.5 8.8 9.2 530 1.50 ------------- WEATHER LOG ---------------- Wind Precip.or Time Temp F Dewp F MPH Direction Dust Sky Conditions ------------------------------------------------------------------ 16:00 55 19 13 265 (W) 667 clear none 17:00 53 19 11 227 (SW) 709 clear none 18:00 50 18 14 247 (WSW) 759 clear none 19:00 50 18 16 239 (WSW) 921 clear none 20:00 49 16 13 234 (SW) 709 clear none 21:00 49 16 9 240 (WSW) 677 clear none 22:00 51 18 8 279 (W) 593 clear none 23:00 49 19 10 318 (NW) 592 clear none 00:00 50 19 10 340 (NNW) 579 clear none 01:00 51 17 11 354 (N) 772 clear none 02:00 49 18 12 349 (N) 2688 clear none 03:00 48 18 26 5 (N) 4595 clear dust 04:00 47 19 21 11 (N) 4611 clear dust 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