Rotation Period in 2012-13 Apparition(N3D7)

Object	NNNTB dark spot	ID	N3D7

Period		Data Count	29
Rotation Period	9h55m10.8s±1.5s	Refernce Date	2012/12/03
Drift Rate (deg./day)	-0.728±0.036	Refernce Longitude	333.1±1.6
Limiting Date	2012/10/30－2013/01/25	Latitude	+45.7±0.5
Limiting Longitude	359.6－295.5	Wind Velocity (m/sec)	+4.5±0.4

No.	Date	Time	Longitude	Sys.	PCF	Object	Location	Latitude	Observer	Est. Longitude	Error
1	2012/10/30	16:55	359.6	2	C	D SPOT	NNNTB	+46.9	Akutsu, Tomio	357.3	+2.3
2	2012/11/02	15:55	355.5	2	C	D SPOT	NNNTB	+46.2	Akutsu, Tomio	355.2	+0.3
3	2012/11/04	16:36	353.8	2	C	D SPOT	NNNTB	+46.2	Akutsu, Tomio	353.7	+0.1
4	2012/11/07	15:23	351.9	2	C	D SPOT	NNNTB	+45.9	Kumamori, Teruaki	351.5	+0.4
5	2012/11/16	16:16	344.6	2	C	D SPOT	NNNTB	+46.1	Akutsu, Tomio	345.0	-0.4
6	2012/11/19	13:09	339.7	2	C	D SPOT	NNNTB	+45.9	Miyazaki, Isao	342.9	-3.2
7	2012/11/21	15:25	339.5	2	C	D SPOT	NNNTB	+46.2	Akutsu, Tomio	341.3	-1.8
8	2012/11/29	22:24	334.1	2	C	D SPOT	NNNTB	+45.9	Pellier, Christophe	335.3	-1.2
9	2012/12/04	12:31	331.8	2	C	D SPOT	NNNTB	+45.5	Kumamori, Teruaki	332.0	-0.2
10	2012/12/06	13:06	329.4	2	C	D SPOT	NNNTB	+45.4	Miyazaki, Isao	330.5	-1.1
11	2012/12/08	14:02	329.0	2	C	D SPOT	NNNTB	+46.0	Akutsu, Tomio	329.0	0.0
12	2012/12/13	12:54	324.9	2	C	D SPOT	NNNTB	+45.8	Einaga, Hideo	325.4	-0.5
13	2012/12/13	14:58	325.7	2	C	D SPOT	NNNTB	+46.0	Einaga, Hideo	325.3	+0.4
14	2012/12/16	12:05	324.1	2	C	D SPOT	NNNTB	+45.8	Kozawa, Tokujiro	323.3	+0.8
15	2012/12/21	11:10	320.4	2	C	D SPOT	NNNTB	+45.6	Miyazaki, Isao	319.6	+0.8
16	2012/12/25	12:17	317.5	2	C	D SPOT	NNNTB	+46.1	Miyazaki, Isao	316.7	+0.8
17	2012/12/27	13:42	317.8	2	C	D SPOT	NNNTB	+46.0	Einaga, Hideo	315.2	+2.6
18	2013/01/02	09:18	313.4	2	C	D SPOT	NNNTB	+45.6	Miyazaki, Isao	311.0	+2.4
19	2013/01/04	10:29	310.4	2	C	D SPOT	NNNTB	+45.5	Einaga, Hideo	309.5	+0.9
20	2013/01/04	11:56	310.4	2	C	D SPOT	NNNTB	+44.9	Go, Christopher	309.4	+1.0
21	2013/01/04	10:08	310.2	2	C	D SPOT	NNNTB	+45.6	Kozawa, Tokujiro	309.5	+0.7
22	2013/01/06	14:09	310.3	2	C	D SPOT	NNNTB	+45.3	Einaga, Hideo	307.9	+2.4
23	2013/01/11	11:11	302.2	2	C	D SPOT	NNNTB	+46.4	Einaga, Hideo	304.4	-2.2
24	2013/01/15	14:17	298.5	2	C	D SPOT	NNNTB	+44.4	Einaga, Hideo	301.4	-2.9
25	2013/01/16	20:03	298.1	2	C	D SPOT	NNNTB	+45.6	Pellier, Christophe	300.5	-2.4
26	2013/01/18	12:09	297.7	2	C	D SPOT	NNNTB	+45.6	Einaga, Hideo	299.2	-1.5
27	2013/01/21	09:28	297.1	2	C	D SPOT	NNNTB	+44.7	Kozawa, Tokujiro	297.1	0.0
28	2013/01/23	11:30	295.6	2	C	D SPOT	NNNTB	+44.8	Einaga, Hideo	295.6	0.0
29	2013/01/25	12:02	295.5	2	C	D SPOT	NNNTB	+46.3	Einaga, Hideo	294.1	+1.4