Mauna Loa Solar Observatory Observer's Log ----------------------------------------------------------------------------- Tue May 10 16:50:26 GMT 1994 Year: 94 Doy: 130 Observer: yasukawa COMMENT: Tue May 10 16:51:47 GMT 1994 Cool, clear, no wind. Temp = 46 degrees F. Partial eclipse of the sun this morning from around 5:47 to 6:37 A.M. About 30% of the sun was eclipsed at this location. Tue May 10 16:58:10 GMT 1994: Patrol Start Tue May 10 17:00:15 GMT 1994: Filemark-Calibration LOW-L COMMENT: Tue May 10 17:01:46 GMT 1994 Low-L up and running this morning. Data is being written to L00042 in unit 0. DPMON COMMENT: Tue May 10 17:18:08 GMT 1994 Halle filter runaway. Pressed Plessey boot and checked manual function, still see streak across frame. Stopping to check objective. Tue May 10 17:24:00 GMT 1994: Patrol End Tue May 10 17:30:10 GMT 1994: Patrol Start DPMON COMMENT: Tue May 10 17:32:21 GMT 1994 Reboot and manual set fixed objective wheel, then found Halle in wrong position so moved that to correct position. OK now. DPMON COMMENT: Tue May 10 17:38:37 GMT 1994 There was a small surge at around PA 070 earlier while I was trying to fix the crash. DPMON COMMENT: Tue May 10 17:59:06 GMT 1994 PA 74 surging again. Tue May 10 18:01:22 GMT 1994: Filemark-Calibration DPMON COMMENT: Tue May 10 18:14:30 GMT 1994 Surge pau. COMMENT: Tue May 10 18:46:18 GMT 1994 Low-L time and WWHV in sync. Tue May 10 19:01:24 GMT 1994: Filemark-Calibration Tue May 10 19:28:24 GMT 1994: Patrol End COMMENT: Tue May 10 19:29:04 GMT 1994 Reconfiguring dome shutter. Will take MKIII dark scan during this time. MKIII COMMENT: Tue May 10 19:35:34 GMT 1994 Dark scan pau. Tue May 10 19:35:52 GMT 1994: Patrol Start MKIII COMMENT: Tue May 10 19:36:08 GMT 1994 Brushed front surface of O1. Tue May 10 20:00:19 GMT 1994: Filemark-Calibration DPMON COMMENT: Tue May 10 20:31:29 GMT 1994 Prominence at PA 93-105 brightening. Tue May 10 21:00:21 GMT 1994: Filemark-Calibration COMMENT: Tue May 10 21:02:13 GMT 1994 CMELST alert sent out regarding EPL at PA 93-115, RV 1.3, beginning at 2030 UT. DPMON COMMENT: Tue May 10 21:29:02 GMT 1994 EPL at PA 93-115 about faded from image now. Tue May 10 22:00:21 GMT 1994: Filemark-Calibration Tue May 10 22:05:01 GMT 1994: Patrol End COMMENT: Tue May 10 22:05:33 GMT 1994 Activity report: QP: 55; 290; NOTE: Surges at PA 74 from around start-up at 1700 to 1814 UT, RV to around 1.1. EPL at PA 93-115, RV 1.3, from around 2030 to 2130 UT. If one stretched the imagination, coronal changes did occur, but sky was very noisy and difference images were very hard to interpret. CMELST alert sent out. Tapes: MKIII: H00760 DPMON: P00061 LOW-L: L00042 in unit 0. Tue May 10 22:13:55 GMT 1994: Filemark SCAN-LOG SCAN-LOG 16:59:50. 5/10/94 DOY 130 17:05:07 17:08:19 17:11:32 17:14:43 17:17:56 17:21:06 17:24:18 17:27:29 17:30:41 17:33:53 17:37:06 17:40:17 17:43:30 17:46:43 17:49:57 17:53:08 17:56:20 17:59:31 18:02:47 18:05:58 18:09:09 18:12:20 1816 0 CL 18:19:14 1823 15CL 18:35:44 18:38:55 18:42:12 18:45:23 18:48:33 18:51:42 18:54:52 18:58:01 19:01:12 19:04:21 19:07:31 19:10:42 19:13:56 19:17:05 19:20:14 19:23:23 19:26:32 19:30:43 19:35:24 19:38:32 19:41:42 19:44:49 19:47:57 19:51:04 19:54:12 19:57:18 20:00:26 20:03:33 20:06:46 20:09:54 20:13:06 20:16:12 20:19:19 20:22:25 20:25:33 20:28:38 20:31:46 20:34:51 20:37:59 20:41:05 20:44:14 20:47:22 20:50:29 20:53:35 20:56:43 20:59:49 21:02:56 21:06:03 21:09:10 21:12:17 21:15:24 21:18:31 21:21:39 21:24:47 21:28:02 21:31:10 21:34:17 21:37:23 21:40:31 21:43:37 21:46:44 21:49:51 21:52:59 21:56:06 21:59:19 22:02:25 0 ERRORS OK