Subject: 3.5m Night Log 20230928 From: mcmillan@apo.nmsu.edu Date: Fri, 29 Sep 2023 13:17:11 +0000 (UTC) Apache Point Observatory 3.5m Telescope Night Log Thursday, September 28, 2023 PROG PI ASTRONOMER OBSERVER(S) -------------------------------------------------------------------- EN01 B.Ketzeback R.McMillan AP01 S.Merkowitz R.McMillan EN01 B.Ketzeback R.McMillan CU01 K.McGouldrick K.McGouldrick ON-SKY PROG INSTRUMENT START FINISH -------------------------------------------------------------------- EN01 ARCTIC 19:00 19:12 EN01 KOSMOS 19:30 21:40 EN01 ARCTIC 22:05 00:11 AP01 APOLLO 00:14 01:15 EN01 ARCTIC 01:22 04:22 CU01 TSPEC 04:36 06:42 PROG SCHEDULED WEATH EQUIP OBS NOT USED I/ROW/DTN START FINISH D B D B D B D B ----------------------------------------------------------------- EN01/W 19:00 00:10 0 0 0 0 0.0 5.2 0 0 AP01/O 00:10 01:10 0 0 0 0 0.0 1.0 0 0 EN01/W 01:10 04:30 0 0 0 0 0.0 3.3 0 0 CU01/R 04:30 06:48 0 0 0 0 0.0 2.3 0 0 note: scheduled times listed include instrument change time ------------- ACTIVITY LOG -------------- Observing Specialist: R.McMillan Weather was mostly clear, with occasional high clouds, and seeing was good. Tonight'sengineering priorities were throughput (if photometric) and finding new focus values to make the KOSMOS slitviewer focus agree with the KOSMOS imaging-mode focus. Both of these goals were accomplished, but I did not have time to re-measure slitviewer plate scales with the new focus values. We're not certain how much it may have changed, but that will be a goal for tomorrow night's engineering. New kcamera focus values: center slit 2090 ==> 2010 high slit 1840 ==> 1810 low slit 2350 ==> 2290 ------- 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 -------------------------------------------------------------------------- 19:05 kosmos 400( 1607) 64 58 16.2 18.2 17.8 17.5 17.1 none 1.34 19:19 kimage 275( 1470) 60 60 15.9 17.9 17.7 17.2 17.1 none 0.78 19:28 kosmos 393( 1572) 57 62 16.2 17.6 17.6 17.0 16.7 none 1.16 19:42 kosmos 532( 1699) 51 64 15.7 17.4 17.4 16.8 16.8 none 1.17 19:49 kosmos 259( 1421) 48 65 15.9 17.3 17.3 16.7 16.7 none 1.08 20:01 khigh 187( 1336) 43 67 16.1 17.1 17.2 16.5 16.7 none 1.04 20:10 khigh 244( 1387) 38 68 16.2 16.9 17.1 16.4 16.5 none 1.06 20:20 kimage 275( 1412) 32 70 16.4 16.8 17.1 16.3 16.5 none 0.71 20:26 klow 203( 1334) 28 70 16.6 16.7 17.0 16.3 16.5 none 0.95 20:30 klow 238( 1367) 26 71 16.5 16.7 17.0 16.3 16.4 none 0.92 20:40 klow 273( 1397) 19 72 16.3 16.6 16.9 16.2 16.4 none 0.98 21:14 arctic 357( 1546) -61 37 16.8 16.4 16.8 16.1 16.7 SDSSr 0.74 23:18 APOLLO 350( 2169) 22 71 15.8 15.8 16.5 15.8 15.8 530 0.90 03:41 tcamera 338( 1561) 64 31 13.8 13.8 14.4 13.6 13.8 Ks 0.95 ------------- WEATHER LOG ---------------- Wind Precip.or Time Temp F Dewp F MPH Direction Dust Sky Conditions ------------------------------------------------------------------ 16:00 67 28 10 261 (W) 301 ptly cldy none 17:00 69 31 13 238 (WSW) 431 ptly cldy none 18:00 67 31 12 240 (WSW) 532 ptly cldy none 19:00 63 30 7 227 (SW) 528 mstly clr none 20:00 62 30 11 231 (SW) 546 mstly clr none 21:00 61 28 9 238 (WSW) 570 mstly clr none 22:00 62 28 6 261 (W) 569 clear none 23:00 62 27 7 264 (W) 486 clear none 00:00 62 28 9 261 (W) 472 mstly clr none 01:00 62 26 10 261 (W) 486 clear none 02:00 60 27 9 228 (SW) 486 clear none 03:00 58 30 12 221 (SW) 894 clear none 04:00 57 32 9 265 (W) 1020 mstly clr none 05:00 57 37 9 262 (W) 1252 mstly clr none 06:00 57 37 7 214 (SW) 1278 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 SOFTWARE ---------- Current TCC version: 1.4.2 Current HUB version: v20171231_01 Current TUI version: 3.1.3beta0