----------------------------------------------------------------------------- Mauna Loa Solar Observatory Observer's Log ----------------------------------------------------------------------------- Fri Apr 17 16:48:27 GMT 1998 Year: 98 Doy: 107 Observer: yasukawa WEATHER COMMENT: Fri Apr 17 16:49:24 GMT 1998 Cool, clear, wind light and variable. Fri Apr 17 16:49:59 GMT 1998 CHIP Startup--Initializing new tape Fri Apr 17 16:51:53 GMT 1998 CHIP CHIP Start Patrol Fri Apr 17 16:52:10 GMT 1998 MKIII Start Patrol Fri Apr 17 16:52:07 GMT 1998 PICS Start Patrol Fri Apr 17 17:00:08 GMT 1998 PICS Flat Fri Apr 17 17:01:35 GMT 1998 PICS End Flat Fri Apr 17 17:02:03 GMT 1998 CHIP Bias Fri Apr 17 17:03:08 GMT 1998 CHIP End Bias Fri Apr 17 17:03:18 GMT 1998 CHIP Water Fri Apr 17 17:04:00 GMT 1998 CHIP End Water MKIII COMMENT: Fri Apr 17 17:22:28 GMT 1998 *** Recycling H01804 *** PSPT COMMENT: Fri Apr 17 17:58:36 GMT 1998 PSPT did not start on first attempt. REBIN error. Second attempt failed also, could not find the sun. Upon checking, I opened it up to look for the image on the lens--No light! cover was closed! exited and tried Run again. PICS Flat Fri Apr 17 18:01:49 GMT 1998 PICS End Flat Fri Apr 17 18:02:02 GMT 1998 CHIP Bias Fri Apr 17 18:03:07 GMT 1998 CHIP End Bias Fri Apr 17 18:03:22 GMT 1998 CHIP Water Fri Apr 17 18:04:10 GMT 1998 CHIP End Water PSPT COMMENT: Fri Apr 17 18:13:05 GMT 1998 Ending observation program to reboot workstation. Rebooted PC. Cap not closing all the way during shutdown. Fri Apr 17 18:26:58 GMT 1998 MKIII Start Cal Fri Apr 17 19:00:28 GMT 1998 PICS Flat Fri Apr 17 19:01:57 GMT 1998 PICS End Flat Fri Apr 17 19:02:10 GMT 1998 CHIP Bias Fri Apr 17 19:03:08 GMT 1998 CHIP End Bias Fri Apr 17 19:03:25 GMT 1998 CHIP Water Fri Apr 17 19:04:15 GMT 1998 CHIP End Water PSPT COMMENT: Fri Apr 17 19:13:06 GMT 1998 Investigated lens cap. Found motor running-on, shaft was slipping. Further investigation revealed that the open/close limit actuator had slipped enough that it was not actuating the close microswitch when the cover was at mechanical limit. This caused the shaft to slip. adjusted the actuator and tightened down on the setscrew holding the cover to the shaft. Tried Run again. This time PSTP worked. COMMENT: Fri Apr 17 19:19:15 GMT 1998 Network is down. COMMENT: Fri Apr 17 19:20:31 GMT 1998 Stopping to reconfigure dome shutter. Fri Apr 17 19:22:23 GMT 1998 PICS End Patrol Fri Apr 17 19:22:46 GMT 1998 CHIP CHIP End Patrol Fri Apr 17 19:32:35 GMT 1998 MKIII Start Patrol Fri Apr 17 19:32:55 GMT 1998 CHIP CHIP Start Patrol Fri Apr 17 19:32:55 GMT 1998 CHIP CHIP Start Patrol Fri Apr 17 20:01:03 GMT 1998 CHIP Gain Fri Apr 17 20:02:25 GMT 1998 PICS Flat Fri Apr 17 20:03:55 GMT 1998 PICS End Flat Fri Apr 17 20:07:08 GMT 1998 CHIP End Gain Fri Apr 17 20:07:18 GMT 1998 CHIP Bias Fri Apr 17 20:08:12 GMT 1998 CHIP End Bias Fri Apr 17 20:08:26 GMT 1998 CHIP Water Fri Apr 17 20:09:10 GMT 1998 CHIP End Water PSPT COMMENT: Fri Apr 17 20:37:25 GMT 1998 Never thought to check if the shutter was open or closed at noontime when we would get the low-light message. Could it be that the telescope got into a position where gravity or wind overcame the reduced friction and closed the shutter before the 2200 UT obs run began???? We'll see if the 2200 obs functions normally today. Fri Apr 17 21:00:27 GMT 1998 PICS Flat Fri Apr 17 21:01:03 GMT 1998 CHIP Bias Fri Apr 17 21:02:00 GMT 1998 PICS End Flat Fri Apr 17 21:02:07 GMT 1998 CHIP End Bias Fri Apr 17 21:02:18 GMT 1998 CHIP Water Fri Apr 17 21:03:06 GMT 1998 CHIP End Water Fri Apr 17 22:01:06 GMT 1998 CHIP Bias PSPT COMMENT: Fri Apr 17 22:01:30 GMT 1998 PSPT started up just fine. THe problem we had been having could have very likely been caused by the slipping aperture cap. 22:02:22 GMT 1998 CHIP Water Fri Apr 17 22:02:52 GMT 1998 PICS End Flat Fri Apr 17 22:03:17 GMT 1998 CHIP End Water Fri Apr 17 22:06:39 GMT 1998 CHIP CHIP End Patrol Fri Apr 17 22:07:56 GMT 1998 PICS End Patrol Fri Apr 17 22:10:38 GMT 1998 CHIP ending tape COMMENT: Fri Apr 17 22:15:00 GMT 1998 Tapes: MKIII: H01805 PICS: P01171 CHIP: C00560 LOWL: L00508 Fri Apr 17 22:16:03 GMT 1998 MkIII 16_52.rawmk3 17_56.rawmk3 19_11.rawmk3 20_22.rawmk3 21_26.rawmk3 16_55.rawmk3 17_59.rawmk3 19_14.rawmk3 20_25.rawmk3 21_29.rawmk3 16_58.rawmk3 18_02.rawmk3 19_17.rawmk3 20_28.rawmk3 21_32.rawmk3 17_01.rawmk3 18_05.rawmk3 19_20.rawmk3 20_31.rawmk3 21_35.rawmk3 17_04.rawmk3 18_08.rawmk3 19_23.rawmk3 20_34.rawmk3 21_38.rawmk3 17_07.rawmk3 18_11.rawmk3 19_32.rawmk3 20_36.rawmk3 21_41.rawmk3 17_09.rawmk3 18_14.rawmk3 19_35.rawmk3 20_39.rawmk3 21_44.rawmk3 17_12.rawmk3 18_17.rawmk3 19_38.rawmk3 20_42.rawmk3 21_47.rawmk3 17_15.rawmk3 18_20.rawmk3 19_41.rawmk3 20_45.rawmk3 21_49.rawmk3 17_18.rawmk3 18_23.rawmk3 19_44.rawmk3 20_48.rawmk3 21_52.rawmk3 17_21.rawmk3 18_30.rawmk3 19_47.rawmk3 20_51.rawmk3 21_55.rawmk3 17_24.rawmk3 18_36.rawmk3 19_50.rawmk3 20_54.rawmk3 21_58.rawmk3 17_27.rawmk3 18_42.rawmk3 19_53.rawmk3 20_57.rawmk3 22_01.rawmk3 17_30.rawmk3 18_45.rawmk3 19_56.rawmk3 21_00.rawmk3 22_04.rawmk3 17_33.rawmk3 18_48.rawmk3 19_58.rawmk3 21_03.rawmk3 22_07.rawmk3 17_36.rawmk3 18_51.rawmk3 20_01.rawmk3 21_06.rawmk3 c18_27.rawmk3 17_39.rawmk3 18_54.rawmk3 20_04.rawmk3 21_09.rawmk3 c18_33.rawmk3 17_42.rawmk3 18_57.rawmk3 20_07.rawmk3 21_12.rawmk3 c18_39.rawmk3 17_45.rawmk3 19_00.rawmk3 20_10.rawmk3 21_14.rawmk3 17_47.rawmk3 19_03.rawmk3 20_13.rawmk3 21_17.rawmk3 17_50.rawmk3 19_06.rawmk3 20_16.rawmk3 21_20.rawmk3 17_53.rawmk3 19_08.rawmk3 20_19.rawmk3 21_23.rawmk3