Mauna Loa Solar Observatory Observer's Log ----------------------------------------------------------------------------- Thu Feb 29 17:48:45 GMT 1996 Year: 96 Doy: 060 Observer: yasukawa console Feb 29 17:45 WEATHER COMMENT: Thu Feb 29 17:49:00 GMT 1996 Cool, clear, light south breeze. Was in altocumulus deck earlier so did GONG weekly preventive maintenance before coming up to MLSO. Altocumulus deck has moved off toward east now. WEATHER COMMENT: Thu Feb 29 17:54:59 GMT 1996 Sky is very bright. Thu Feb 29 17:55:42 GMT 1996: Patrol Start Thu Feb 29 18:02:03 GMT 1996: Calibration Thu Feb 29 19:02:03 GMT 1996: Calibration Thu Feb 29 19:25:04 GMT 1996: Patrol End Thu Feb 29 19:26:07 GMT 1996: Patrol Start DPMON COMMENT: Thu Feb 29 19:26:11 GMT 1996 Optics crash, reset manually. COMMENT: Thu Feb 29 19:52:39 GMT 1996 Going down to GONG to attempt velocity diode fix. Thu Feb 29 20:03:03 GMT 1996: Calibration COMMENT: Thu Feb 29 20:30:49 GMT 1996 Forgot to log quick return from GONG, Guillermo was on vacation according to person who answered his phone. Standing down on velocity diode fix for today. MKIII COMMENT: Thu Feb 29 20:34:35 GMT 1996 Sky polarization must have changed, Saw a drastic change between 1913 and 1944 images in VDIFF. East got dark and west got bright. Checked O1 for dust or bugs, but no change there. Thu Feb 29 21:00:01 GMT 1996: Calibration Thu Feb 29 21:42:05 GMT 1996: Patrol End WEATHER COMMENT: Thu Feb 29 21:47:01 GMT 1996 In orographic clouds from around 2100 UT. COMMENT: Thu Feb 29 21:47:34 GMT 1996 Activity report: QP: 50; 132; 254; 296; No coronal activity Tapes: MKIII: H01233 DPMON: P00557 LOWL: L00374 Thu Feb 29 21:49:51 GMT 1996: Filemark SCAN-LOG SCAN-LOG 17:56:16. 2/29/96 DOY 60 18:03:10 18:06:21 18:09:36 18:12:49 18:16:04 18:19:18 18:22:34 18:25:48 18:29:05 18:32:20 18:35:37 18:38:53 18:42:11 18:45:28 18:48:46 18:52:04 18:55:22 18:58:39 19:01:57 19:05:15 1910 0 CL 19:13:30 1917 15CL 19:21:58 19:27:49 19:31:08 19:34:28 19:37:47 19:41:05 19:44:22 19:47:41 19:50:59 19:54:17 19:57:32 20:00:49 20:04:05 20:07:22 20:10:38 20:13:55 20:17:12 20:20:34 20:23:52 20:27:14 20:30:32 20:33:50 20:37:07 20:40:24 20:43:41 20:46:58 20:50:14 20:53:32 20:56:48 21:00:05 21:03:22 21:06:39 21:09:55 21:13:13 21:16:29 21:19:47 21:23:03 21:26:21 21:29:37 21:32:55 21:36:11 21:39:29 0 ERRORS OK