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Mauna Loa Solar Observatory Observer's Log ----------------------------------------------------------------------------- Fri Aug 26 16:16:11 GMT 1994 Year: 94 Doy: 238 Observer: yasukawa WEATHER COMMENT: Fri Aug 26 16:16:37 GMT 1994 In broken cirrus, cold, light south wind. Temp = 43F COMMENT: Fri Aug 26 16:21:41 GMT 1994 Guider still domed out. COMMENT: Fri Aug 26 16:28:42 GMT 1994 Guider cleared dome. Fri Aug 26 16:29:03 GMT 1994: Patrol Start MKIII COMMENT: Fri Aug 26 17:02:07 GMT 1994 MKIII finally cleared the domeb but sun is in cirrus. Fri Aug 26 17:03:01 GMT 1994: Calibration WEATHER COMMENT: Fri Aug 26 17:28:22 GMT 1994 Still in very thin cirrus. Fri Aug 26 18:02:59 GMT 1994: Calibration Fri Aug 26 19:02:58 GMT 1994: Calibration DPMON COMMENT: Fri Aug 26 19:31:29 GMT 1994 Looks like prominence at PA 103-107 has erupted, saw it briefly as cirrus thinned. Pointing wasn't real good due to clouds. Fri Aug 26 19:57:00 GMT 1994: Patrol End COMMENT: Fri Aug 26 19:57:08 GMT 1994 reconfiguring dome shutter, checking MKIII optics. DPMON COMMENT: Fri Aug 26 20:27:39 GMT 1994 found tape covering exit hole for daystar heater power cable off, this would cause a light leak. Re-secured the tape. COMMENT: Fri Aug 26 20:29:00 GMT 1994 Inspection of mkiii optics pau. dome reopened. starting back up. Fri Aug 26 20:29:46 GMT 1994: Patrol Start WEATHER COMMENT: Fri Aug 26 20:29:53 GMT 1994 Still in cirrus. DPMON COMMENT: Fri Aug 26 20:50:06 GMT 1994 EPL PA = 90-110, RV approx. 1.2 Fri Aug 26 21:00:09 GMT 1994: Calibration Fri Aug 26 22:03:01 GMT 1994: Calibration Fri Aug 26 23:02:56 GMT 1994: Calibration WEATHER COMMENT: Fri Aug 26 23:49:05 GMT 1994 Still in thin cirrus, orographic clouds are forming around station. WEATHER COMMENT: Fri Aug 26 23:59:36 GMT 1994 In orographic clouds. Sat Aug 27 00:00:03 GMT 1994: Calibration Sat Aug 27 00:20:02 GMT 1994: Patrol End DPMON COMMENT: Sat Aug 27 00:20:02 GMT 1994 Found that Coude bench was slipping. Checked things out and found that the Camera cable was wound twice around the bench, probably as a strain-relief measure, but that was wound quite tight. I pulled up about 3-feet of cable and loosened the windings. Sould handle a day's ('til sunset) rotation. COMMENT: Sat Aug 27 00:22:34 GMT 1994 Ending observations. Still more cirrus coming, in heavy orographic cloud overcast. MKIII COMMENT: Sat Aug 27 00:24:07 GMT 1994 Did not get any good data today due to cirrus. I will recycle the tape and thus not transfer the SCAN-LOG to the daily log. (130 bad files!) COMMENT: Sat Aug 27 00:28:49 GMT 1994 Activity report: EPL: Pa 90-110 starting before 1930 and finishing after 2050 UT. RV to 1.2 at 2050. QP: 62; 66; No coronal data. Tapes: MKIII: NONE--recycled DPMON: P00144 LOW-L: L00098 in unit 1 Sat Aug 27 00:31:41 GMT 1994: Filemark

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