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27 stations attempted to observe an Occultation of Nix. 17 observed definite misses, 5 were Clouded Out, and 5 suffered other problems that prevented an observation.
View the updated prediction.
Observers:
Seq Observer Long E Lat S Alt m App cm Comments
1 A Pennell, B Begg Obs, Dunedin,NZ 170:29:49.5 -45:52:34.8 63 35 Clouded out
2 A Gilmore, Mt John Obs, Tekapo, NZ 170:27:54 -43:59:12 1029 60
3 P Kilmartin, Mt John Obs, Tekapo, NZ 170:27:54 -43:59:12 1029 100 4 Fps
4 B Loader,Darfield, NZ 172:6:24.4 -43:28:52.9 210 25 Watec 120N at 8 fold integration
5 G Blow, Wellington, NZ 174:46:0 -41:17:0 190 20 Unable to see target
6 R Idaczyk, Wellington, NZ 174:46:0 -41:14:0 190 20 Obstructed
7 G McKay, Lower Hutt, NZ 174:57:48.3 -41:7:7.6 55 20 Beyond limiting mag
8 J Talbot,Waikanae Beach, NZ 175:1:57.3 -40:51:20.2 5 25 Target field certain this time
9 D Watson,Thornton near Whakatane 176:51:48.4 -37:55:30.1 3 200 Possible wrong field
10 J Greenhill, Mt Canopus Obs, Tas, AU 147:25:53.1 -42:50:57.3 287 100 + S Mathers, Clouded Out
11 Prediction update 174:50:0 -36:49:0
12 B Heathcote, Melborne, Vic,AU 144:59:21.2 -37:50:6.9 370 20
13 S Thomson, Werribee, Vic, AU 144:38:10 -37:53:28 29 20
14 D Herald,Templestowe, Melbn, Vic, AU 145:7:58.9 -37:45:37.1 74 25 +JPascal, AJohansson,C Ioannou
15 P Purcell, Chapman, ACT,AU 149:2:35 -35:21:30 639 20 Clouded Out
16 T Dobosz, Bankstown Sydney,NSW,AU 151:1:27 -33:55:33.6 23 28
17 H Pavlov,Marsfield, NSW,AU 151:6:16.8 -33:46:11.5 100 20
18 J Byron, Epping Sydney, NSW,AU 151:5:0 -33:46:0 100 Computer failure
19 D Gault,Hawkesbury Heights,NSW,AU 150:38:28 -33:39:52 286 25
20 B Lade, Stockport, SA, AU 138:22:48 -34:25:12 280 20 Clouded Out
21 S Quirk,Mudgee, NSW,AU 149:39:45.6 -32:27:21.3 508 32 no drop seen in limovie graphs
22 C Wyatt, Walcha, NSW, AU 151:33:13.6 -31:0:23.4 1164 20
23 J Biggs, Perth Observatory, WA, AU 116:8:5 -32:0:24 380 Field not found
24 J Broughton,Reedy Creek, QLD, AU 153:23:52.9 -28:6:30.4 66 51 Watec 120N+ at 4x integration
25 D Lowe, Gatton, QLD,AU 152:21:27.1 -27:30:55.5 39 10
26 J Bradshaw, Samford QLD,AU 152:52:22.7 -27:21:22.8 95 50
27 S Kerr, Rockhampton, QLD,AU 150:30:50 -23:22:40 100 30 Clouded out
28 M Katona,Mt Isa Observatory,QLD, AU 139:34:1 -20:34:21 370 28 Pluto could be seen advancing
Discussion:
The circle above is plotted at the expected 100 km diameter of Nix on the predicted path, Only those paths with clearly observed misses are plotted. With no positive chords we cannot say where Nix slipped through the net, but it is obvious that we would have needed many more stations to have left no gaps greater than say 70 km.
Thanks to all who attempted this important observation and lets hope for better luck next time.
See Paris Observatory report at .