Date: Sun, 24 Jun 2007 11:13:02 -0000 (UTC) Subject: 3.5m Night Log 20070623 From: "Gabrelle Saurage" Apache Point Observatory 3.5m Telescope Night Log Saturday, June 23, 2007 ACTUAL ASTRONOMER OBSERVER(S) INSTRUMENT START FINISH ------------------------------------------------------------------- A.Zirm K.Chiu DIS 20:30 00:45 D.York D.York DIS 00:50 05:05 INST SCHED(TWILIGHT) WEATH EQUIP OBS DAY NOT USED I/ROW/DN START FINISH D B D B D B USE D B --------------------------------------------------------------------- JH03/R 21:19 01:00 0 2.0 0 0 0 1.7 0 0 0 UC05/R 01:00 04:53 0 0.7 0 0 3.2 0 0 0 0 note: scheduled times listed include instrument change time ------------- ACTIVITY LOG -------------- Observing Specialists: G.Saurage, J.Davenport AZ Velocity Scale: Checkout - (temp 23.7) 579.7, 583.4, Avg 581.5 Winds shifted around 21:30 to the East and temps dropped, subsequently seeing blew up over 4”. Closed due to clouds and approaching radar returns around 11pm. Opened again 1:50am to mediocre seeing. ------- 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 ----------------------------------------------------------------- 21:05 DISslit -44(619) -56 65 18.0 20.8 19.8 19.9 18.4 -- 1.6 01:45 DISslit 1(447) -119 64 15.2 14.3 13.8 15.0 14.8 -- 1.7 ------------- WEATHER LOG ---------------- Wind Precip.or Time Temp F Dewp F MPH Direction Dust Sky Conditions ------------------------------------------------------------------- 16:00 73 32 9 336 (NNW) 521 ptly cldy none 17:00 73 30 6 289 (WNW) 465 ptly cldy none 18:00 72 26 10 331 (NNW) 467 ptly cldy none 19:00 72 24 9 314 (NW) 482 ptly cldy none 20:00 69 22 7 265 (W) 490 ptly cldy none 21:00 64 37 14 139 (SE) 522 ptly cldy none 22:00 57 39 17 80 (E) 542 mstly cldy none 23:00 57 37 18 85 (E) 662 mstly cldy none 00:00 56 36 13 88 (E) 487 mstly cldy none 01:00 58 35 9 123 (ESE) 544 mstly clr none 02:00 60 36 16 163 (SSE) 538 clear none 03:00 59 37 19 174 (S) 588 clear none 04:00 58 38 18 193 (SSW) 549 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 STATUS Telescope drives operational. Current TCC version: 2.9.0 Current TUI version: TUI 1.3