Apache Point Observatory 3.5m Telescope Night Log Sunday, September 20, 2026 PROG PI ASTRONOMER OBSERVER(S) -------------------------------------------------------------------- UV03 S.Majewski J.Davidson UW09 C.O.Chandler C.O.Chandler,J.Murtagh ON-SKY PROG INSTRUMENT START FINISH -------------------------------------------------------------------- UV03 DSSI 19:11 01:06 UW09 ARCTIC 01:15 06:11 PROG SCHEDULED WEATH EQUIP OBS NOT USED I/ROW/DTN START FINISH D B D B D B D B ----------------------------------------------------------------- UV03/R 19:11 01:10 0 0 0 0 0.0 6.0 0 0 UW09/R 01:10 06:42 0 0 0 0 4.8 0.7 0 0 note: scheduled times listed include instrument change time ------------- ACTIVITY LOG -------------- Observing Specialist: H.Abbot Mostly clear night with subarcsecond seeing. No issues all night until I tried zeroing the rotator after dismounting DSSI. top-> login na2-rotator New axis controller - this will work for all commands except long running commands such as remap. Type logout to quit move 0.000 Traceback (most recent call last): File "/usr/local/bin/talk2boxes", line 482, in main() File "/usr/local/bin/talk2boxes", line 429, in main thing.login() File "/usr/local/bin/talk2boxes", line 194, in login self.interact() File "/usr/local/bin/talk2boxes", line 346, in interact sock.connect((ts_host,tport)) socket.gaierror: [Errno 8] nodename nor servname provided, or not known ------- 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 -------------------------------------------------------------------------- 19:20 dssi 627( 1737) 248 57 14.4 17.2 16.5 17.2 14.9 692nm 0.80 01:23 arctic 417( 1151) 23 53 14.1 13.4 14.0 13.2 13.6 r 0.90 03:13 arctic 367( 1058) -13 68 13.8 12.7 13.3 12.3 12.8 CUVR 1.00 ------------- WEATHER LOG ---------------- Wind Precip.or Time Temp F Dewp F MPH Direction Dust Sky Conditions ------------------------------------------------------------------ 16:00 65 37 15 268 (W) 221 mstly clr none 17:00 61 39 7 271 (W) 353 ptly cldy none 18:00 62 39 12 270 (W) 286 mstly clr none 19:00 59 39 11 306 (NW) 320 mstly clr none 20:00 58 37 5 351 (N) 325 ptly cldy none 21:00 58 37 3 335 (NNW) 286 clear none 22:00 59 35 9 14 (NNE) 294 mstly clr none 23:00 58 32 3 7 (N) 279 clear none 00:00 57 32 1 289 (WNW) 286 clear none 01:00 56 33 6 344 (NNW) 253 clear none 02:00 58 31 2 330 (NNW) 283 clear none 03:00 56 31 4 332 (NNW) 262 clear none 04:00 58 34 2 260 (W) 280 clear none 05:00 58 35 2 224 (SW) 245 clear none 06:00 57 34 1 215 (SW) 253 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: 3.2.2