Subject: 3.5m Night Log 20190825 From: trudyk@apo.nmsu.edu Date: Mon, 26 Aug 2019 12:14:43 +0000 (UTC) Apache Point Observatory 3.5m Telescope Night Log Sunday, August 25, 2019 ACTUAL ASTRONOMER OBSERVER(S) INSTRUMENT START FINISH -------------------------------------------------------------------- M.Prescott M.Prescott,K.SandersonDIS 19:45 01:08 A.Kosakowski A.Kosakowski DIS 01:10 06:00 INST SCHEDULED WEATH EQUIP OBS NOT USED I/ROW/DN START FINISH D B D B D B D B ---------------------------------------------------------------- NM05/R 19:45 01:10 0 0 0 0 5.4 0.0 0 0 OU03/R 01:10 06:25 0 0 0 0 1.0 4.3 0 0 note: scheduled times listed include instrument change time ------------- ACTIVITY LOG -------------- Observing Specialist: T.Rudyk DIS biases were corrupt on checkout. Update to PR was made. Also needed to restart PMSS stripchart. It was clear, with good seeing. It stayed clear all night, though the seeing degraded through the night. Seeing improved again after 03:00. We were open all night with no issues. ------- FAILURE LOG ------- PROG INST FAILURE MODE TIME (SEDFNVOG) TI/SHU START FINISH DESCRIPTION ---------------------------------------------------------------------- ---------------- FOCUS LOG --------------- Time Instrument Focus Az El Temp Strc Prim Sec Air filt FWHM -------------------------------------------------------------------------- 20:25 dcamera 479( 1331) -21 64 20.3 23.1 22.5 22.9 20.6 - 0.96 23:32 dcamera 396( 1097) 39 51 18.4 19.7 20.3 19.3 19.1 - 1.66 01:07 dcamera 339( 987) 23 50 18.4 18.5 19.1 18.1 17.9 - 1.97 02:59 dcamera 403( 1046) -72 57 19.8 18.5 19.1 18.4 19.0 - 1.15 ------------- WEATHER LOG ---------------- Wind Precip.or Time Temp F Dewp F MPH Direction Dust Sky Conditions ------------------------------------------------------------------ 16:00 74 35 15 269 (W) 452 clear none 17:00 78 35 10 258 (WSW) 386 clear none 18:00 75 34 5 250 (WSW) 384 clear none 19:00 72 33 7 272 (W) 390 clear none 20:00 68 33 6 280 (W) 412 clear none 21:00 69 32 7 349 (N) 394 clear none 22:00 69 33 7 242 (WSW) 416 clear none 23:00 69 34 7 224 (SW) 347 clear none 00:00 67 39 6 245 (WSW) 391 clear none 01:00 65 42 5 281 (W) 392 clear none 02:00 67 42 13 285 (WNW) 424 clear none 03:00 67 33 8 345 (NNW) 352 clear none 04:00 68 31 9 356 (N) 331 clear none 05:00 67 31 8 359 (N) 322 clear none 06:00 66 33 13 6 (N) 345 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 STATUS Telescope drives operational. Current TCC version: 1.2.4 Current TUI version: 2.6.0