Rotation Period in 2012-13 Apparition(N3D8)

Object	NNNTB dark spot	ID	N3D8

Period	p1	Data Count	10
Rotation Period	9h55m27.0s±2.1s	Refernce Date	2012/12/03
Drift Rate (deg./day)	-0.333±0.052	Refernce Longitude	343.3±0.8
Limiting Date	2012/11/14－2012/12/16	Latitude	+45.6±0.5
Limiting Longitude	349.0－338.0	Wind Velocity (m/sec)	+0.7±0.5

Period	p2	Data Count	30
Rotation Period	9h55m07.1s±1.9s	Refernce Date	2012/12/03
Drift Rate (deg./day)	-0.817±0.046	Refernce Longitude	349.7±2.1
Limiting Date	2012/12/21－2013/03/24	Latitude	+45.7±0.7
Limiting Longitude	331.1－254.1	Wind Velocity (m/sec)	+5.4±0.4

No.	Date	Time	Longitude	Sys.	PCF	Object	Location	Latitude	Observer	Est. Longitude	Error
1	2012/11/14	14:44	349.0	2	C	D SPOT	NNNTB	+46.1	Akutsu, Tomio	349.4	-0.4
2	2012/11/16	16:16	348.8	2	C	D SPOT	NNNTB	+45.8	Akutsu, Tomio	348.7	+0.1
3	2012/11/21	15:25	347.1	2	C	D SPOT	NNNTB	+46.3	Akutsu, Tomio	347.1	0.0
4	2012/11/29	22:24	344.4	2	C	D SPOT	NNNTB	+44.9	Pellier, Christophe	344.3	+0.1
5	2012/12/04	12:31	342.5	2	C	D SPOT	NNNTB	+45.7	Kumamori, Teruaki	342.8	-0.3
6	2012/12/06	13:06	341.9	2	C	D SPOT	NNNTB	+45.1	Miyazaki, Isao	342.1	-0.2
7	2012/12/08	14:02	343.5	2	C	D SPOT	NNNTB	+45.7	Akutsu, Tomio	341.4	+2.1
8	2012/12/11	13:27	340.0	2	C	D SPOT	NNNTB	+44.7	Go, Christopher	340.4	-0.4
9	2012/12/13	14:58	339.6	2	C	D SPOT	NNNTB	+45.5	Einaga, Hideo	339.7	-0.1
10	2012/12/16	12:05	338.0	2	C	D SPOT	NNNTB	+45.9	Kozawa, Tokujiro	338.8	-0.8
11	2012/12/21	11:10	331.1	2	C	D SPOT	NNNTB	+46.1	Miyazaki, Isao	334.6	-3.5
12	2012/12/25	12:17	329.0	2	C	D SPOT	NNNTB	+46.2	Miyazaki, Isao	331.3	-2.3
13	2013/01/02	09:18	324.5	2	C	D SPOT	NNNTB	+45.3	Miyazaki, Isao	324.8	-0.3
14	2013/01/04	10:29	320.6	2	C	D SPOT	NNNTB	+44.9	Einaga, Hideo	323.2	-2.6
15	2013/01/04	11:56	321.3	2	C	D SPOT	NNNTB	+45.1	Go, Christopher	323.1	-1.8
16	2013/01/06	14:09	321.0	2	C	D SPOT	NNNTB	+45.2	Einaga, Hideo	321.4	-0.4
17	2013/01/11	11:11	317.3	2	C	D SPOT	NNNTB	+45.3	Einaga, Hideo	317.4	-0.1
18	2013/01/16	20:03	315.0	2	C	D SPOT	NNNTB	+45.7	Pellier, Christophe	313.0	+2.0
19	2013/01/18	12:09	314.5	2	C	D SPOT	NNNTB	+44.6	Einaga, Hideo	311.7	+2.8
20	2013/01/23	11:30	309.0	2	C	D SPOT	NNNTB	+46.0	Einaga, Hideo	307.6	+1.4
21	2013/01/28	11:01	304.2	2	C	D SPOT	NNNTB	+45.6	Yamazaki, Akihiro	303.5	+0.7
22	2013/02/02	11:14	303.0	2	C	D SPOT	NNNTB	+44.6	Einaga, Hideo	299.5	+3.5
23	2013/02/09	10:29	294.2	2	C	D SPOT	NNNTB	+46.1	Go, Christopher	293.8	+0.4
24	2013/02/09	11:47	293.8	2	C	D SPOT	NNNTB	+46.1	Yamazaki, Akihiro	293.7	+0.1
25	2013/02/11	11:58	292.3	2	C	D SPOT	NNNTB	+45.5	Go, Christopher	292.1	+0.2
26	2013/02/16	21:35	288.9	2	C	D SPOT	NNNTB	+45.1	Delcroix, Marc	287.7	+1.2
27	2013/02/16	11:59	289.2	2	C	D SPOT	NNNTB	+46.1	Einaga, Hideo	288.0	+1.2
28	2013/02/16	11:44	287.8	2	C	D SPOT	NNNTB	+45.1	Go, Christopher	288.0	-0.2
29	2013/02/16	11:04	288.6	2	C	D SPOT	NNNTB	+45.9	Miyazaki, Isao	288.0	+0.6
30	2013/02/18	12:23	288.4	2	C	D SPOT	NNNTB	+45.6	Miyazaki, Isao	286.3	+2.1
31	2013/02/21	10:49	283.8	2	C	D SPOT	NNNTB	+46.4	Ota, Satoshi	284.0	-0.2
32	2013/02/23	10:44	284.0	2	C	D SPOT	NNNTB	+46.5	Kozawa, Tokujiro	282.3	+1.7
33	2013/02/23	11:54	284.0	2	C	D SPOT	NNNTB	+45.3	Miyazaki, Isao	282.3	+1.7
34	2013/02/26	19:23	283.3	2	C	W SPOT	NNNTB	+46.1	Delcroix, Marc	279.6	+3.7
35	2013/03/05	10:36	274.1	2	C	D SPOT	NNNTB	+46.0	Einaga, Hideo	274.2	-0.1
36	2013/03/05	09:54	274.6	2	C	D SPOT	NNNTB	+45.6	Kozawa, Tokujiro	274.2	+0.4
37	2013/03/12	10:24	267.1	2	C	D SPOT	NNNTB	+47.8	Miyazaki, Isao	268.4	-1.3
38	2013/03/12	11:20	266.0	2	C	D SPOT	NNNTB	+46.5	Einaga, Hideo	268.4	-2.4
39	2013/03/19	10:12	258.8	2	C	D SPOT	NNNTB	+46.1	Einaga, Hideo	262.7	-3.9
40	2013/03/24	10:10	254.1	2	C	D SPOT	NNNTB	+45.9	Go, Christopher	258.7	-4.6