Given the current orbital elements we'll lose it in late October, when it will only be up in daytime. Times are AEST. Figures for Sydney.
Code:
C/2009 P1 (Garradd)
Date Time R.A. Decl. r d m1 Rise(A) Set(A)
2011- 7-12 3:07 22 28 6.81 5 39 38.5 2.648 1.913 9.8 21:19(262) 8:50( 96)
2011- 7-19 2:26 22 13 55.22 7 50 29.5 2.581 1.766 9.6 20:43(260) 8:03( 99)
2011- 7-26 1:40 21 56 9.07 10 8 14.4 2.515 1.638 9.3 20:03(257) 7:11(102)
2011- 8- 2 0:51 21 34 35.48 12 28 5.0 2.449 1.533 9.1 19:20(254) 6:15(105)
2011- 8- 9 23:50 21 5 38.11 15 0 5.1 2.374 1.447 8.8 18:34(251) 5:16(107)
2011- 8-16 22:54 20 37 29.61 16 55 0.9 2.310 1.404 8.6 17:44(249) 4:15(110)
2011- 8-23 21:58 20 8 16.75 18 23 31.8 2.246 1.391 8.5 16:52(247) 3:14(112)
2011- 8-30 21:02 19 39 46.65 19 21 15.1 2.184 1.406 8.4 15:59(246) 2:15(113)
2011- 9- 6 20:08 19 13 35.34 19 50 5.1 2.123 1.446 8.4 15:06(245) 1:19(114)
2011- 9-13 19:18 18 50 42.93 19 56 29.4 2.063 1.504 8.4 14:16(245) 0:28(114)
2011- 9-20 19:12 18 31 26.70 19 48 12.2 2.005 1.576 8.3 13:29(245) 23:35(114)
2011- 9-27 19:18 18 15 46.54 19 32 19.8 1.949 1.655 8.3 12:45(246) 22:53(113)
2011-10- 4 19:23 18 3 21.62 19 14 35.3 1.895 1.736 8.3 12:04(246) 22:14(113)
2011-10-11 19:30 17 53 42.71 18 58 56.9 1.843 1.816 8.3 11:26(246) 21:38(113)
2011-10-18 19:38 17 46 21.13 18 47 52.8 1.795 1.891 8.3 10:51(247) 21:03(112)
2011-10-25 19:44 17 40 51.88 18 43 1.8 1.750 1.959 8.3 10:17(247) 20:31(112)
Andrew