Date RA (2000) Decl d r Elong m1 SLim Opt NLim 00h UT h m o ' AU AU o o o o 2008 Oct 13 16 00.2 -16 45 1.621 1.097 41.6 E 7.0 60.8 S 13.7 S 29.2 N Oct 21 16 22.6 -11 43 1.716 1.132 39.0 E 7.2 48.7 S 2.4 S 47.4 N Oct 29 16 42.5 -07 07 1.811 1.180 37.0 E 7.5 35.6 S 9.2 N 56.3 N Nov 6 17 00.6 -02 54 1.901 1.240 35.7 E 7.8 22.4 S 21.0 N 66.0 N Nov 14 17 17.5 +01 03 1.986 1.308 35.2 E 8.2 10.1 S 32.7 N 76.4 N 2008 Nov 22 17 33.7 +04 46 2.063 1.383 35.5 E 8.5 0.8 N 44.0 N 84.8 N Nov 30 17 49.6 +08 21 2.135 1.464 36.5 E 8.8 9.8 N 54.5 N 88.3 N Dec 8 18 05.1 +11 50 2.200 1.549 38.1 E 9.1 17.3 N 63.8 N 90.0 N Dec 16 18 20.6 +15 17 2.261 1.637 40.2 E 9.4 23.4 N 71.8 N 90.0 N Dec 24 18 36.1 +18 44 2.318 1.727 42.6 E 9.7 28.4 N 78.1 N 90.0 N 2009 Jan 1 18 51.6 +22 12 2.372 1.819 45.2 E 10.0 32.6 N 81.8 N 90.0 N Jan 9 19 07.2 +25 42 2.426 1.912 47.9 W 10.2 28.1 N 81.8 N 90.0 N Jan 17 19 23.0 +29 14 2.480 2.006 50.6 W 10.5 21.5 N 79.5 N 90.0 N Jan 25 19 38.9 +32 47 2.536 2.099 53.2 W 10.7 15.8 N 76.7 N 90.0 N Feb 2 19 55.0 +38 22 2.594 2.193 55.6 W 11.0 11.0 N 74.1 N 90.0 N
Total magnitude: m1 = 5.5 + 5 log d + 10 log r. Critical visibility parameters: h(Sun) = -15 degrees, h(comet) = 10 degrees.