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Visual observations Instr : 150mm / f8 Refractor ICQ Format Comet observations of : C/1997 T1 Utsunomiya IIIYYYYMnL YYYY MM DD.DD eM/mm.m:r AAA.ATF/xxxx /dd.ddnDC /t.ttmANG ICQ XX*OBSxxx 1997T1 1997 10 18.76 S 9.8 AA 15.0R 8 30 4 7 ICQ XX DIE02 1997T1 1997 10 19.77 S 9.8 AA 15.0R 8 30 3 7 ICQ XX DIE02 1997T1 1997 10 20.85 S 10.0 AA 15.0R 8 30 3 7 ICQ XX DIE02 1997T1 1997 10 21.85 S 9.8 AA 15.0R 8 30 3 7 ICQ XX DIE02 1997T1 1997 10 22.85 S 9.9 AA 15.0R 8 30 3 6 ICQ XX DIE02 1997T1 1997 10 24.81 S 9.9 AA 15.0R 8 30 2.5 6 ICQ XX DIE02 1997T1 1997 10 27.86 S 10.0 AA 15.0R 8 30 2.5 4 ICQ XX DIE02 1997T1 1997 10 28.81 S 10.0 AA 15.0R 8 30 2.5 5 ICQ XX DIE02 1997T1 1997 10 29.80 S 10.0 AA 15.0R 8 30 2.5 5 ICQ XX DIE02 1997T1 1997 10 30.80 S 10.0 AA 15.0R 8 30 2.5 5 ICQ XX DIE02