Mauna Loa Solar Observatory Observer's Log ----------------------------------------------------------------------------- Thu Apr 27 16:38:12 GMT 1995 Year: 95 Doy: 117 Observer: yasukawa console Apr 27 16:35 WEATHER COMMENT: Thu Apr 27 16:38:33 GMT 1995 Clear, cold, strong south wind 30-40mph, temp=36F. Thu Apr 27 16:47:02 GMT 1995: Patrol Start DPMON COMMENT: Thu Apr 27 16:52:02 GMT 1995 Daystar runaway. Reset Plessey. MKIII COMMENT: Thu Apr 27 16:52:25 GMT 1995 Chan1 P+S relatively flat at this time. Thu Apr 27 16:54:42 GMT 1995: Patrol Start DPMON COMMENT: Thu Apr 27 16:54:50 GMT 1995 Reset DPMON manually, Objective was also crashed. Thu Apr 27 17:01:02 GMT 1995: Calibration MKIII COMMENT: Thu Apr 27 17:11:39 GMT 1995 Stopping mkiii to check out channel 1 problem. MKIII COMMENT: Thu Apr 27 17:16:00 GMT 1995 Adjusted offset a little and balance a moderate amount at preamp. when the two adjustments were zeroed, P+S trace cleaned up. Restarting observations. MKIII COMMENT: Thu Apr 27 17:19:13 GMT 1995 P-S trace looks a different from yesterday afternoon on chan 1. may need to touch up alignment, will watch it a bit first. MKIII COMMENT: Thu Apr 27 17:43:21 GMT 1995 Stopped scan again to check out chan 1 alignment and balance. Thu Apr 27 18:01:03 GMT 1995: Calibration MKIII COMMENT: Thu Apr 27 18:04:19 GMT 1995 Touched up P detector rotation to flatten P-S trace, amplitude remains high, touched up offset and balance. Running another CORRECT. MKIII COMMENT: Thu Apr 27 18:14:18 GMT 1995 CORRECT took out amplitude but P-S trace no longer flat. Will see if I can take that dip out. MKIII COMMENT: Thu Apr 27 18:31:10 GMT 1995 OK, try that.... Ran another CORRECT. Resuming scans. Thu Apr 27 19:00:55 GMT 1995: Calibration DPMON COMMENT: Thu Apr 27 19:50:12 GMT 1995 Prominence at PA 250-260 lifting. Thu Apr 27 20:01:00 GMT 1995: Calibration COMMENT: Thu Apr 27 20:11:31 GMT 1995 opening top of dome. MKIII COMMENT: Thu Apr 27 20:17:01 GMT 1995 Channel 1 flaked out again. checkeing offset and balance. MKIII COMMENT: Thu Apr 27 20:24:40 GMT 1995 Chan 1 preamp needed small adjustment in both offset and balance. Monitor traces restored after adjustment. Not sure what is causing the shift. COMMENT: Thu Apr 27 20:47:00 GMT 1995 Guiding declination recentered itself. Repointed spar and reset guider. Thu Apr 27 21:01:01 GMT 1995: Calibration MKIII COMMENT: Thu Apr 27 21:09:05 GMT 1995 Noticed a funny streaking on the south and west side of chan 0 corona and then noticed a change in the P+S and P-S monitors for chan 1 around 90-210 degrees of the barrel indicator. went upstairs to check and found a 1.5-inch curled white hair or fiber on the front of the O1. Blew it off with the airbrush. COMMENT: Thu Apr 27 21:14:47 GMT 1995 Wind starting to affect spar now, buffeting it around. DPMON COMMENT: Thu Apr 27 21:57:49 GMT 1995 Crash, reset Plessey. COMMENT: Thu Apr 27 22:00:05 GMT 1995 Also lost guiding, repointed and reset guider. Thu Apr 27 22:01:00 GMT 1995: Calibration DPMON COMMENT: Thu Apr 27 22:03:08 GMT 1995 BTW, cleaned Exabyte at end of day yesterday as requested by program. Thu Apr 27 22:10:03 GMT 1995: Patrol End COMMENT: Thu Apr 27 22:10:26 GMT 1995 Activity report: QP: 50; 97; 122-130; 303; AP: 250-260 grew slowly throughout morning. No coronal activity Tapes: MKIII: H01018 DPMON: P00339 LOWL: L00226 Thu Apr 27 22:13:32 GMT 1995: Filemark SCAN-LOG SCAN-LOG 16:49:14. 4/27/95 DOY 117 16:57:27 17:00:42 17:03:55 17:07:12 17:16:40 17:19:57 17:23:12 17:26:29 17:29:44 17:33:01 17:36:15 17:39:34 18:32:19 18:35:32 18:38:44 18:41:58 18:45:09 18:48:22 18:51:33 1855 0 CL 18:59:28 1903 15CL 19:08:30 19:12:06 19:15:18 19:18:31 19:21:44 19:25:00 19:28:10 19:31:22 19:34:32 19:37:44 19:40:54 19:44:06 19:47:17 19:50:30 19:53:41 19:56:53 20:00:03 20:03:15 20:06:26 20:09:37 20:12:48 20:16:00 20:21:56 20:25:13 20:28:26 20:31:40 20:34:51 20:38:09 20:41:19 20:44:31 20:47:42 20:50:54 20:54:05 20:57:19 21:00:32 21:03:52 21:07:05 21:10:18 21:13:30 21:16:44 21:19:57 21:23:10 21:26:22 21:29:34 21:32:46 21:35:59 21:39:11 21:42:23 21:45:35 21:48:48 21:52:00 21:55:13 21:58:24 22:01:38 22:04:50 22:08:08 0 ERRORS OK