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Visual observations Instr : 150mm / f15 Refractor, 8x50 Binocular ICQ Format Comet observations of : C/1989 Q1 Okazaki-Levy-Rudenko IIIYYYYMnL YYYY MM DD.DD eM/mm.m:r AAA.ATF/xxxx /dd.ddnDC /t.ttmANG ICQ XX*OBSxxx 1989Q1 1989 09 07.85 S 10.1 AA 15.0R15 85 1.5 0 ICQ XX DIE02 1989Q1 1989 09 20.82 S 8.7 AA 15.0R15 85 2.5 7 ICQ XX DIE02 1989Q1 1989 09 27.77 S 8.3 AA 15.0R15 85 2.5 8 ICQ XX DIE02 1989Q1 1989 09 29.77 S 8.1 AA 15.0R15 85 3 8 ICQ XX DIE02 1989Q1 1989 10 04.76 S 7.9 AA 15.0R15 85 3 7 30 m 70 ICQ XX DIE02 1989Q1 1989 10 14.72 S 7.3 AA 15.0R15 85 3 7 ICQ XX DIE02 1989Q1 1989 10 28.74 S 5.6 AA 5.0B 8 4 8 40 m 10 ICQ XX DIE02 1989Q1 1989 11 11.19 S 5.1 AA 5.0B 8 6 7 90 m335 ICQ XX DIE02 1989Q1 1989 11 19.19 S 4.6 AA 5.0B 8 7 7 60 m320 ICQ XX DIE02 1989Q1 1989 11 23.20 S 4.3 AA 5.0B 8 7 8 40 m305 ICQ XX DIE02 1989Q1 1989 11 25.21 S 4.4 AA 5.0B 8 8 8 40 m300 ICQ XX DIE02