Rotation Period in 2004-05 Apparition(NTRD8)

Object	NEBn dark spot	ID	NTRD8

Period	p1	Data Count	39
Rotation Period	9h55m25.3s±1.3s	Refernce Date	2005/04/03
Drift Rate (deg./day)	-0.374±0.032	Refernce Longitude	8.1±2.0
Limiting Date	2005/01/02－2005/05/04	Latitude	+14.9±0.5
Limiting Longitude	38.0－353.2	Wind Velocity (m/sec)	+1.5±0.5

Period	p2	Data Count	21
Rotation Period	9h55m33.1s±1.2s	Refernce Date	2005/04/03
Drift Rate (deg./day)	-0.183±0.030	Refernce Longitude	355.9±1.2
Limiting Date	2005/05/11－2005/07/27	Latitude	+15.5±0.5
Limiting Longitude	350.7－333.9	Wind Velocity (m/sec)	-1.1±0.4

No.	Date	Time	Longitude	Sys.	PCF	Object	Location	Latitude	Observer	Est. Longitude	Error
1	2005/01/02	22:01	38.0	2	C	D SPOT	NEB-N	+15.3	Miyazaki, Isao	41.7	-3.7
2	2005/01/14	21:45	34.6	2	C	D SPOT	NEB-N	+14.5	Miyazaki, Isao	37.3	-2.7
3	2005/01/17	20:51	32.3	2	C	D SPOT	NEB-N	+15.4	Einaga, Hideo	36.1	-3.8
4	2005/01/19	20:55	33.7	2	C	D SPOT	NEB-N	+15.8	Einaga, Hideo	35.4	-1.7
5	2005/01/19	21:12	33.8	2	C	D SPOT	NEB-N	+16.0	Takimoto, Ikuo	35.4	-1.6
6	2005/01/24	20:36	31.9	2	C	D SPOT	NEB-N	+15.0	Miyazaki, Isao	33.5	-1.6
7	2005/02/08	17:49	30.7	2	C	D SPOT	NEB-N	+16.0	Yunoki, Kenkichi	28.0	+2.7
8	2005/02/12	20:36	28.7	2	C	D SPOT	NEB-N	+14.6	Ikemura, Toshihiko	26.4	+2.3
9	2005/02/13	17:57	29.5	2	C	D SPOT	NEB-N	+15.0	Yunoki, Kenkichi	26.1	+3.4
10	2005/02/20	16:31	27.6	2	C	D SPOT	NEB-N	+14.2	Yunoki, Kenkichi	23.5	+4.1
11	2005/02/20	18:30	24.9	2	C	D SPOT	NEB-N	+15.2	Einaga, Hideo	23.5	+1.4
12	2005/02/27	19:01	22.8	2	C	D SPOT	NEB-N	+14.5	Einaga, Hideo	20.9	+1.9
13	2005/03/07	14:22	19.7	2	C	D SPOT	NEB-N	+14.8	Miyazaki, Isao	17.9	+1.8
14	2005/03/07	15:57	19.5	2	C	D SPOT	NEB-N	+14.2	Takimoto, Ikuo	17.9	+1.6
15	2005/03/12	13:56	18.7	2	C	D SPOT	NEB-N	+14.4	Takimoto, Ikuo	16.1	+2.6
16	2005/03/14	15:59	16.7	2	C	D SPOT	NEB-N	+14.9	Einaga, Hideo	15.3	+1.4
17	2005/03/19	13:59	14.5	2	C	D SPOT	NEB-N	+14.6	Fukui, Hideto	13.5	+1.0
18	2005/03/19	14:26	13.5	2	C	D SPOT	NEB-N	+14.0	Ikemura, Toshihiko	13.4	+0.1
19	2005/03/19	14:45	14.2	2	C	D SPOT	NEB-N	+14.6	Einaga, Hideo	13.4	+0.8
20	2005/03/19	15:13	12.1	2	C	D SPOT	NEB-N	+15.3	Mishina, Toshiro	13.4	-1.3
21	2005/03/19	15:13	12.5	2	C	D SPOT	NEB-N	+14.0	Takimoto, Ikuo	13.4	-0.9
22	2005/03/28	16:36	9.7	2	C	D SPOT	NEB-N	+15.1	Einaga, Hideo	10.0	-0.3
23	2005/03/31	15:11	8.6	2	C	D SPOT	NEB-N	+14.8	Yunoki, Kenkichi	8.9	-0.3
24	2005/04/02	15:21	8.9	2	C	D SPOT	NEB-N	+15.0	Akutsu, Tomio	8.2	+0.7
25	2005/04/05	13:38	7.7	2	C	D SPOT	NEB-N	+15.2	Miyazaki, Isao	7.1	+0.6
26	2005/04/05	23:30	7.5	2	C	D SPOT	NEB-N	+14.9	Pellier, Christophe	7.0	+0.5
27	2005/04/07	15:27	6.5	2	C	D SPOT	NEB-N	+14.7	Miyazaki, Isao	6.3	+0.2
28	2005/04/10	23:11	5.4	2	C	D SPOT	NEB-N	+14.2	Pellier, Christophe	5.1	+0.3
29	2005/04/17	12:30	4.4	2	C	D SPOT	NEB-N	+15.8	Einaga, Hideo	2.6	+1.8
30	2005/04/17	13:11	3.4	2	C	D SPOT	NEB-N	+15.4	Yunoki, Kenkichi	2.6	+0.8
31	2005/04/21	15:37	0.7	2	C	D SPOT	NEB-N	+15.2	Miyazaki, Isao	1.1	-0.4
32	2005/04/26	14:58	0.0	2	C	D SPOT	NEB-N	+15.7	Akutsu, Tomio	359.2	+0.8
33	2005/04/27	00:50	358.3	2	C	D SPOT	NEB-N	+15.0	Peach, Damian	359.1	-0.8
34	2005/04/27	11:45	357.5	2	C	D SPOT	NEB-N	+14.7	Miyazaki, Isao	358.9	-1.4
35	2005/04/29	12:22	357.7	2	C	D SPOT	NEB-N	+14.7	Kumamori, Teruaki	358.2	-0.5
36	2005/05/01	13:47	355.8	2	C	D SPOT	NEB-N	+14.8	Miyazaki, Isao	357.4	-1.6
37	2005/05/03	15:08	354.7	2	C	D SPOT	NEB-N	+14.2	Miyazaki, Isao	356.6	-1.9
38	2005/05/04	11:21	353.2	2	C	D SPOT	NEB-N	+14.9	Einaga, Hideo	356.3	-3.1
39	2005/05/04	12:56	353.3	2	C	D SPOT	NEB-N	+15.6	Nakai, Kenji	356.3	-3.0
40	2005/05/11	12:44	350.7	2	C	D SPOT	NEB-N	+15.3	Miyazaki, Isao	348.8	+1.9
41	2005/05/13	14:54	350.7	2	C	D SPOT	NEB-N	+15.2	Ikemura, Toshihiko	348.4	+2.3
42	2005/05/20	14:21	347.6	2	C	D SPOT	NEB-N	+15.5	Miyazaki, Isao	347.2	+0.4
43	2005/05/21	10:24	347.0	2	C	D SPOT	NEB-N	+15.0	Fukui, Hideto	347.0	0.0
44	2005/05/25	13:10	346.0	2	C	D SPOT	NEB-N	+15.0	Ikemura, Toshihiko	346.3	-0.3
45	2005/05/26	00:52	345.9	2	C	D SPOT	NEB-N	+16.5	Phillips, Jim	346.2	-0.3
46	2005/05/26	10:09	345.5	2	C	D SPOT	NEB-N	+16.2	Fukui, Hideto	346.1	-0.6
47	2005/05/26	10:33	345.6	2	C	D SPOT	NEB-N	+16.3	Kumamori, Teruaki	346.1	-0.5
48	2005/05/30	12:53	344.6	2	C	D SPOT	NEB-N	+15.2	Miyazaki, Isao	345.3	-0.7
49	2005/06/02	21:04	343.3	2	C	D SPOT	NEB-N	+15.6	Pellier, Christophe	344.7	-1.4
50	2005/06/04	13:18	341.8	2	C	D SPOT	NEB-N	+14.8	Miyazaki, Isao	344.4	-2.6
51	2005/06/09	11:49	342.9	2	C	D SPOT	NEB-N	+16.3	Einaga, Hideo	343.5	-0.6
52	2005/06/09	20:56	342.5	2	C	D SPOT	NEB-N	+15.1	Pellier, Christophe	343.4	-0.9
53	2005/06/26	10:31	341.0	2	C	D SPOT	NEB-N	+15.7	Takimoto, Ikuo	340.4	+0.6
54	2005/06/28	11:52	341.2	2	C	D SPOT	NEB-N	+15.2	Takimoto, Ikuo	340.0	+1.2
55	2005/06/30	13:01	340.1	2	C	D SPOT	NEB-N	+15.4	Miyazaki, Isao	339.7	+0.4
56	2005/07/08	10:26	337.9	2	C	D SPOT	NEB-N	+16.0	Fukui, Hideto	338.2	-0.3
57	2005/07/08	11:09	339.1	2	C	D SPOT	NEB-N	+15.4	Miyazaki, Isao	338.2	+0.9
58	2005/07/10	10:55	338.0	2	C	D SPOT	NEB-N	+15.7	Miyazaki, Isao	337.8	+0.2
59	2005/07/15	10:28	338.2	2	C	D SPOT	NEB-N	+15.4	Fukui, Hideto	336.9	+1.3
60	2005/07/27	10:49	333.9	2	C	D SPOT	NEB-N	+15.1	Miyazaki, Isao	334.7	-0.8