Subject: 3.5m Night Log 20190515 From: mcmillan@apo.nmsu.edu Date: Thu, 16 May 2019 11:08:09 +0000 (UTC) Apache Point Observatory 3.5m Telescope Night Log Wednesday, May 15, 2019 ACTUAL ASTRONOMER OBSERVER(S) INSTRUMENT START FINISH -------------------------------------------------------------------- M.Klaene R.McMillan ecam 20:00 00:50 M.Klaene B.Ketzeback gcam 01:00 05:00 INST SCHEDULED WEATH EQUIP OBS NOT USED I/ROW/DN START FINISH D B D B D B D B ---------------------------------------------------------------- EN01/W 20:04 01:10 0 0 0 0 0.0 5.1 0 0 EN01/W 01:10 05:55 0 0 0 0 1.0 3.7 0 0 note: scheduled times listed include instrument change time ------------- ACTIVITY LOG -------------- Observing Specialist: R.McMillan The sky was mostly clear tonight, but seeing varied with shifts in wind direction. The new echelle slitviewer is installed and ready for use, and the azimuth drive disk was leveled to improve pointing. ------- 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 -------------------------------------------------------------------------- 20:27 ecamera 601( 379) 41 68 13.6 16.2 15.8 16.8 14.3 ND1 0.77 20:41 ecamera 557( 309) 33 70 13.1 15.8 15.6 15.4 13.9 ND1 0.79 22:55 ecamera 424( 36) 250 58 11.6 12.9 13.5 12.6 11.8 ND2 1.15 04:15 ecamera 549( 48) 14 78 11.1 10.9 11.4 11.0 11.1 ND2 1.33 ------------- WEATHER LOG ---------------- Wind Precip.or Time Temp F Dewp F MPH Direction Dust Sky Conditions ------------------------------------------------------------------ 16:00 66 29 14 201 (SSW) 594 mstly clr none 17:00 65 26 18 233 (SW) 552 mstly clr none 18:00 63 22 12 257 (WSW) 567 mstly clr none 19:00 60 24 6 243 (WSW) 606 ptly cldy none 20:00 57 22 7 263 (W) 698 clear none 21:00 57 21 6 217 (SW) 604 mstly clr none 22:00 57 22 7 190 (S) 660 clear none 23:00 53 29 18 128 (SE) 667 clear none 00:00 52 29 15 127 (SE) 659 mstly clr none 01:00 53 27 14 133 (SE) 668 mstly clr none 02:00 52 27 13 142 (SE) 598 ptly cldy none 03:00 52 26 20 147 (SSE) 628 ptly cldy none 04:00 53 26 18 148 (SSE) 612 mstly clr none 05:00 52 27 17 161 (SSE) 546 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 STATUS Telescope drives operational. Current TCC version: 1.2.4 Current TUI version: 2.6.0