Subject: 3.5m Night Log 20231006 From: ajt@apo.nmsu.edu Date: Sat, 7 Oct 2023 13:27:46 +0000 (UTC) Apache Point Observatory 3.5m Telescope Night Log Friday, October 06, 2023 PROG PI ASTRONOMER OBSERVER(S) -------------------------------------------------------------------- NM08 A.Dijeau A.Dijeau,K.Sanderson NM03 C.Gray C.Gray ON-SKY PROG INSTRUMENT START FINISH -------------------------------------------------------------------- NM08 KOSMOS 19:21 03:57 NM03 ECHELLE 04:00 06:53 PROG SCHEDULED WEATH EQUIP OBS NOT USED I/ROW/DTN START FINISH D B D B D B D B ----------------------------------------------------------------- NM08/R 18:50 03:53 0 0 0 0 5.5 3.6 0 0 NM03/R 03:53 06:53 0 0 0 0 0.0 3.0 0 0 note: scheduled times listed include instrument change time ------------- ACTIVITY LOG -------------- Observing Specialist: A.Townsend KOSMOS disperser wheel rotation failures: 00:13:05 0 rot, blue to red 00:09:27 135 rot appx, blue to red, both stopped near red Seeing was abysmal all night, and humidity and wind were high at times which didn't help. However, we did stay open all night! 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 -------------------------------------------------------------------------- 19:38 kosmos 390( 1234) 92 61 8.6 10.5 11.2 9.9 8.8 -- 1.45 23:26 kosmos 355( 1006) -16 62 7.0 6.4 7.0 6.3 6.7 -- 1.88 04:04 ecamera 336( -123) 28 64 5.5 5.1 5.7 5.2 5.5 ND2 1.73 ------------- WEATHER LOG ---------------- Wind Precip.or Time Temp F Dewp F MPH Direction Dust Sky Conditions ------------------------------------------------------------------ 16:00 58 39 5 210 (SSW) 1064 mstly cldy none 17:00 55 38 1 226 (SW) 1017 mstly cldy none 18:00 52 37 6 90 (E) 932 mstly clr none 19:00 49 38 15 87 (E) 980 mstly clr none 20:00 47 38 15 86 (E) 1283 mstly clr none 21:00 45 37 17 82 (E) 1581 mstly clr none 22:00 44 39 19 83 (E) 2123 mstly clr none 23:00 45 39 24 73 (ENE) clear humid 00:00 44 36 21 73 (ENE) 1638 clear none 01:00 43 38 21 75 (ENE) clear humid 02:00 42 38 15 83 (E) clear humid 03:00 42 37 18 86 (E) 1397 clear none 04:00 42 34 13 98 (E) 1230 clear none 05:00 42 31 15 112 (ESE) 838 clear none 06:00 41 33 9 84 (E) 935 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: 3.1.3beta0