Subject: 3.5m Night Log 20160903 From: cgray@apo.nmsu.edu Date: Sun, 4 Sep 2016 10:41:36 +0000 (UTC) Apache Point Observatory 3.5m Telescope Night Log Saturday, September 03, 2016 ACTUAL ASTRONOMER OBSERVER(S) INSTRUMENT START FINISH -------------------------------------------------------------------- A.Verbiscer A.Verbiscer ARCTIC 19:37 23:03 T.Dorn-Wallenstein E.Levesque DIS --:-- --:-- INST SCHEDULED WEATH EQUIP OBS NOT USED I/ROW/DN START FINISH D B D B D B D B ---------------------------------------------------------------- UV02/R 19:33 01:10 2.1 0 0 0 2.1 1.4 0 0 UW07/R 01:10 06:32 5.4 0 0 0 0 0 0 0 note: scheduled times listed include instrument change time ------------- ACTIVITY LOG -------------- Observing Specialist: C.Gray The night started of with a few clouds and moderatly high humidity (70%). We were able to open and even had good seeing! However, it did not last. The humidity spiked and at 23:03 we had to close. We were not able to reopen all night. No problems tonight (aside from a sticky sky). ------- 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 -------------------------------------------------------------------------- 18:50 arctic 890( 1458) 18 48 14.6 17.8 17.3 17.9 16.9 R 0.92 19:37 arctic 965( 1438) 8 58 14.9 16.1 16.8 15.7 15.3 R 0.93 21:14 arctic 1090( 1471) -34 44 13.1 14.1 15.8 13.8 13.8 R 1.58 ------------- WEATHER LOG ---------------- Wind Precip.or Time Temp F Dewp F MPH Direction Dust Sky Conditions ------------------------------------------------------------------ 16:00 59 53 3 213 (SSW) mstly cldy none 17:00 61 53 11 194 (SSW) ptly cldy none 18:00 63 51 8 257 (WSW) ptly cldy none 19:00 61 52 10 219 (SW) mstly clr none 20:00 58 52 11 198 (SSW) clear none 21:00 58 50 11 185 (S) clear none 22:00 55 51 9 193 (SSW) clear none 23:00 53 53 13 142 (SE) mstly clr humid 00:00 54 52 16 146 (SE) mstly clr humid 01:00 55 52 16 160 (SSE) clear humid 02:00 55 53 15 162 (SSE) clear humid 03:00 55 52 19 183 (S) clear humid 04:00 55 52 12 193 (SSW) clear humid 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: 1.2.2 Current TUI version: 2.5.1