----------------------------------------------------------------------------- Mauna Loa Solar Observatory Observer's Log ----------------------------------------------------------------------------- Fri Jan 31 17:38:24 GMT 1997 Year: 97 Doy: 031 Observer: koon WEATHER COMMENT: Fri Jan 31 17:38:28 GMT 1997 Clear sky, wind=5 mph from the SSE, temp=39 F. Fri Jan 31 17:39:58 GMT 1997 CHIP Startup--Initializing new tape Fri Jan 31 17:43:14 GMT 1997 dPMon Start Patrol Fri Jan 31 17:43:14 GMT 1997 CHIP CHIP Start Patrol Fri Jan 31 18:02:03 GMT 1997 dPMon Flat DPMON COMMENT: Fri Jan 31 17:46:41 GMT 1997 Large prominence at PA=130, out to RV=1.25, visible in data from yesterday also. Fri Jan 31 18:02:05 GMT 1997 CHIP Bias CHIP COMMENT: Fri Jan 31 18:02:08 GMT 1997 Filter temperature seems stable this morning at 34.42 Fri Jan 31 18:02:53 GMT 1997 CHIP End Bias Fri Jan 31 18:02:58 GMT 1997 dPMon End Flat Fri Jan 31 18:03:00 GMT 1997 CHIP Water Fri Jan 31 18:03:31 GMT 1997 CHIP End Water Fri Jan 31 19:01:07 GMT 1997 CHIP Bias Fri Jan 31 19:02:03 GMT 1997 dPMon Flat Fri Jan 31 19:02:01 GMT 1997 CHIP End Bias Fri Jan 31 19:02:09 GMT 1997 CHIP Water Fri Jan 31 19:02:42 GMT 1997 CHIP End Water Fri Jan 31 19:02:58 GMT 1997 dPMon End Flat Fri Jan 31 20:02:02 GMT 1997 dPMon Flat Fri Jan 31 20:02:57 GMT 1997 dPMon End Flat Fri Jan 31 20:03:05 GMT 1997 CHIP Gain Fri Jan 31 20:07:13 GMT 1997 CHIP End Gain Fri Jan 31 20:07:22 GMT 1997 CHIP Bias Fri Jan 31 20:08:03 GMT 1997 CHIP End Bias Fri Jan 31 20:08:13 GMT 1997 CHIP Water Fri Jan 31 20:08:42 GMT 1997 CHIP End Water MKIII COMMENT: Fri Jan 31 20:17:46 GMT 1997 The active prominence at PA=130 continues to surge and twist and appears to be interacting with the prominence at PA=105, but I don't see any sign of a CME yet. Fri Jan 31 21:01:54 GMT 1997 dPMon Flat Fri Jan 31 21:02:48 GMT 1997 dPMon End Flat Fri Jan 31 21:03:02 GMT 1997 CHIP Bias Fri Jan 31 21:03:47 GMT 1997 CHIP End Bias Fri Jan 31 21:03:58 GMT 1997 CHIP Water Fri Jan 31 21:04:33 GMT 1997 CHIP End Water MKIII COMMENT: Fri Jan 31 21:20:07 GMT 1997 A depletion is now visible at PA=130 where the active prominence is, corresponding to the shrinkage of the extent of the visible prominence material as seen by the dPMon. Fri Jan 31 22:02:04 GMT 1997 dPMon Flat Fri Jan 31 22:02:02 GMT 1997 CHIP Bias Fri Jan 31 22:02:45 GMT 1997 CHIP End Bias Fri Jan 31 22:02:53 GMT 1997 CHIP Water Fri Jan 31 22:03:02 GMT 1997 dPMon End Flat Fri Jan 31 22:03:24 GMT 1997 CHIP End Water COMMENT: Fri Jan 31 22:04:41 GMT 1997 Did a noon time mark for Jim Mason on the scintillometer. COMMENT: Fri Jan 31 22:05:13 GMT 1997 Sent out a "Possible CME" alert to cmelst earlier for the AP at PA=130. COMMENT: Fri Jan 31 22:10:08 GMT 1997 Fri Jan 31 22:13:59 GMT 1997 dPMon End Patrol Fri Jan 31 22:15:35 GMT 1997 CHIP CHIP End Patrol Fri Jan 31 22:16:16 GMT 1997 CHIP ending tape MKIII COMMENT: Fri Jan 31 22:10:26 GMT 1997 No further trace of depletion, stopping instruments to backup DD#2 and get down to office to mail stuff and check for Lowl power supply so that I can get to an appointment afterward. COMMENT: Fri Jan 31 22:17:07 GMT 1997 Activity report: QP: 63; 289. AP: 105; 130. EPL at PA=130 from about 1800 to 2100, RV> 1.3, activity involved AP at 105 also. Sent "Possible CME" alert via cmelst alias. TAPES: ****** MKIII: H01485 DPMON: P00813 CHIP: C00230 LOWL: L00438 in drive #0 SCAN-LOG SCAN-LOG 17:43:53. 1/31/97 DOY 31 17:49:46 17:52:57 17:56:12 17:59:26 18:02:41 18:05:55 18:09:11 18:12:26 18:15:42 18:18:58 18:22:14 1829 0 CL 18:38:37 1843 15CL 19:01:00 19:09:43 19:12:57 19:16:12 19:19:27 19:22:41 19:25:54 19:29:09 19:32:21 19:35:35 19:38:47 19:42:06 19:45:19 19:48:33 19:51:45 19:54:59 19:58:13 20:01:33 20:04:46 20:07:59 20:11:11 20:14:25 20:17:37 20:20:50 20:24:04 20:27:23 20:30:35 20:33:48 20:37:00 20:40:13 20:43:25 20:46:38 20:49:49 20:53:02 20:56:14 20:59:27 21:02:39 21:05:58 21:09:09 21:12:21 21:15:32 21:18:46 21:22:00 21:25:18 21:28:29 21:31:41 21:34:52 21:38:04 21:41:15 21:44:27 21:47:38 21:50:50 21:54:01 21:57:14 22:00:27 22:03:39 0 ERRORS OK