Subject: 3.5m Night Log 20250309 From: ajt@apo.nmsu.edu Date: Mon, 10 Mar 2025 12:56:13 +0000 (UTC) Apache Point Observatory 3.5m Telescope Night Log Sunday, March 09, 2025 PROG PI ASTRONOMER OBSERVER(S) -------------------------------------------------------------------- WY02 M.Moe M.Moe,C.Smith UW11 F.Chabour J.Davenport ON-SKY PROG INSTRUMENT START FINISH -------------------------------------------------------------------- WY02 KOSMOS 19:33 01:03 UW11 KOSMOS 01:04 06:13 PROG SCHEDULED WEATH EQUIP OBS NOT USED I/ROW/DTN START FINISH D B D B D B D B ----------------------------------------------------------------- WY02/R 19:15 01:10 0 0 0 0 0.0 5.9 0 0 UW11/R 01:10 07:11 0 0 0 0 1.6 4.4 0 0 note: scheduled times listed include instrument change time ------------- ACTIVITY LOG -------------- Observing Specialist: A.Townsend Power cyled barometer and ARCTIC ion pump controller which was frozen wthe the HV light off. Took two tries to restart the HV on the ion pump but it seems to have recovered. Clear night, mostly decent seeing, no telescope problems! ------- 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 -------------------------------------------------------------------------- 19:47 kosmos 235( 807) -60 46 1.8 5.6 4.5 5.3 3.5 -- 1.14 21:26 kosmos 200( 587) 46 70 2.5 1.9 2.8 2.4 2.4 -- 0.74 23:17 kosmos 325( 678) 189 53 1.9 1.0 2.2 1.4 1.8 -- 0.74 01:22 kosmos 265( 596) 2 47 2.3 0.5 1.4 0.5 1.3 -- 1.68 ------------- WEATHER LOG ---------------- Wind Precip.or Time Temp F Dewp F MPH Direction Dust Sky Conditions ------------------------------------------------------------------ 16:00 44 16 11 257 (WSW) 528 clear none 17:00 46 18 5 209 (SSW) 441 clear none 18:00 39 16 5 191 (S) 574 clear none 19:00 37 15 2 224 (SW) 563 clear none 20:00 35 15 1 143 (SE) 550 clear none 21:00 36 7 13 18 (NNE) 630 clear none 22:00 37 8 8 45 (NE) 567 clear none 23:00 35 8 6 341 (NNW) 565 clear none 00:00 36 6 2 338 (NNW) 460 clear none 01:00 35 7 9 6 (N) 499 clear none 02:00 40 1 5 92 (E) 582 clear none 03:00 38 -5 8 182 (S) 693 clear none 04:00 38 -3 9 184 (S) 683 clear none 05:00 36 -1 6 203 (SSW) 702 clear none 06:00 38 -1 3 195 (SSW) 733 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: 3.1.8