Subject: 3.5m Night Log 20220905 From: cgray@apo.nmsu.edu Date: Tue, 6 Sep 2022 12:24:38 +0000 (UTC) Apache Point Observatory 3.5m Telescope Night Log Monday, September 05, 2022 PROG PI ASTRONOMER OBSERVER(S) -------------------------------------------------------------------- AP01 S.Merkowitz R.McMillan NM03 A.Hedlund A.Hedlund OU03 K.Leighly J.Choi ON-SKY PROG INSTRUMENT START FINISH -------------------------------------------------------------------- AP01 APOLLO 19:31 20:31 NM03 ECHELLE 20:35 01:04 OU03 TSPEC 01:07 05:45 PROG SCHEDULED WEATH EQUIP OBS NOT USED I/ROW/DTN START FINISH D B D B D B D B ----------------------------------------------------------------- AP01/R 19:31 20:31 0 0 0 0 0.0 1.0 0 0 NM03/R 20:31 01:10 0 0 0 0 0.0 4.7 0 0 OU03/R 01:10 06:33 0 0 0 0 4.4 1.0 0 0 note: scheduled times listed include instrument change time ------------- ACTIVITY LOG -------------- Observing Specialist: C.Gray During checkout, the tertiary failed to move from NA2 to BC1. Moving to TR2 and then to BC1 solved the issues. The night was clear and easy! We had good seeing all night. ------- 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 -------------------------------------------------------------------------- 19:40 APOLLO 450( 1994) 46 28 14.2 16.7 16.5 16.0 14.5 530 2.70 20:39 ecamera 444( 74) 127 72 13.2 14.6 14.9 14.1 13.5 Clear 1.44 01:12 tcamera 390( 1148) 316 69 13.7 12.0 12.6 11.9 12.5 Ks 1.00 ------------- WEATHER LOG ---------------- Wind Precip.or Time Temp F Dewp F MPH Direction Dust Sky Conditions ------------------------------------------------------------------ 16:00 66 31 4 255 (WSW) 544 clear none 17:00 67 31 11 241 (WSW) 537 clear none 18:00 65 31 7 218 (SW) 551 clear none 19:00 62 30 10 184 (S) 497 clear none 20:00 57 30 11 176 (S) 590 clear none 21:00 56 28 8 137 (SE) 612 clear none 22:00 55 29 5 110 (ESE) 610 clear none 23:00 55 30 10 120 (ESE) 596 clear none 00:00 54 30 8 114 (ESE) 623 clear none 01:00 55 30 6 122 (ESE) 627 clear none 02:00 57 27 5 92 (E) 586 clear none 03:00 56 29 8 110 (ESE) 611 clear none 04:00 57 26 9 114 (ESE) 532 clear none 05:00 57 27 6 109 (ESE) 470 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: 2.6.0