Rotation Period in 2014-15 Apparition(STZD3)

Object	STZ dark spot	ID	STZD3

Period	p1	Data Count	10
Rotation Period	9h55m41.5s±7.4s	Refernce Date	2015/02/06
Drift Rate (deg./day)	+0.021±0.181	Refernce Longitude	179.9±0.9
Limiting Date	2015/02/26－2015/03/08	Latitude	-33.1±0.5
Limiting Longitude	178.8－181.5	Wind Velocity (m/sec)	-3.4±2.2

Period	p2	Data Count	31
Rotation Period	9h55m15.8s±2.4s	Refernce Date	2015/02/06
Drift Rate (deg./day)	-0.604±0.059	Refernce Longitude	201.9±1.2
Limiting Date	2015/03/14－2015/04/22	Latitude	-33.6±0.4
Limiting Longitude	177.6－154.1	Wind Velocity (m/sec)	+4.0±0.7

Period	p3	Data Count	20
Rotation Period	9h55m47.8s±3.1s	Refernce Date	2015/02/06
Drift Rate (deg./day)	+0.174±0.075	Refernce Longitude	138.5±1.2
Limiting Date	2015/04/26－2015/05/28	Latitude	-33.0±0.5
Limiting Longitude	152.4－159.6	Wind Velocity (m/sec)	-5.2±0.9

No.	Date	Time	Longitude	Sys.	PCF	Object	Location	Latitude	Observer	Est. Longitude	Error
1	2015/02/26	12:27	180.0	2	C	D SPOT	STB-S	-32.4	Go, Christopher	180.4	-0.4
2	2015/02/28	13:01	179.7	2	C	D SPOT	STB-S	-32.8	Go, Christopher	180.4	-0.7
3	2015/03/02	14:47	180.2	2	C	D SPOT	STB-S	-33.5	Yoshida, Tomoyuki	180.4	-0.2
4	2015/03/02	14:41	180.5	2	C	D SPOT	STB-S	-32.8	Olivetti, Tiziano	180.4	+0.1
5	2015/03/02	13:20	181.2	2	C	D SPOT	STB-S	-32.9	Miyazaki, Isao	180.4	+0.8
6	2015/03/05	11:11	181.5	2	C	D SPOT	STB-S	-34.0	Einaga, Hideo	180.5	+1.0
7	2015/03/05	13:13	180.5	2	C	D SPOT	STB-S	-32.9	Go, Christopher	180.5	0.0
8	2015/03/05	20:41	181.5	2	C	D SPOT	STB-S	-33.2	Pellier, Christophe	180.5	+1.0
9	2015/03/07	12:13	180.8	2	C	D SPOT	STZ	-33.5	Go, Christopher	180.5	+0.3
10	2015/03/08	09:22	178.8	2	C	D SPOT	STB-S	-32.8	Einaga, Hideo	180.6	-1.8
11	2015/03/14	15:03	177.6	2	C	D SPOT	STB-S	-33.4	Olivetti, Tiziano	179.7	-2.1
12	2015/03/16	14:33	176.3	2	C	D SPOT	STB-S	-33.4	Olivetti, Tiziano	178.5	-2.2
13	2015/03/17	11:02	177.3	2	C	D SPOT	STB-S	-33.4	Miyazaki, Isao	178.0	-0.7
14	2015/03/17	11:13	176.9	2	C	D SPOT	STB-S	-33.7	Einaga, Hideo	178.0	-1.1
15	2015/03/17	11:05	177.1	2	C	D SPOT	STB-S	-34.3	Akutsu, Tomio	178.0	-0.9
16	2015/03/19	12:30	177.1	2	C	D SPOT	STB-S	-32.9	Go, Christopher	176.8	+0.3
17	2015/03/20	10:16	176.5	2	C	D SPOT	STB-S	-33.8	Einaga, Hideo	176.2	+0.3
18	2015/03/21	14:39	176.2	2	C	D SPOT	STZ	-34.4	Einaga, Hideo	175.5	+0.7
19	2015/03/22	12:14	175.4	2	C	D SPOT	STB-S	-33.2	Go, Christopher	175.0	+0.4
20	2015/03/22	10:27	176.4	2	C	D SPOT	STB-S	-33.4	Miyazaki, Isao	175.0	+1.4
21	2015/03/26	13:21	173.4	2	C	D SPOT	STB-S	-33.5	Iwamasa, Ryuichi	172.5	+0.9
22	2015/03/26	13:00	172.9	2	C	D SPOT	STB-S	-33.4	Yamazaki, Akihiro	172.5	+0.4
23	2015/03/27	10:51	171.8	2	C	D SPOT	STB-S	-34.2	Kozawa, Tokujiro	172.0	-0.2
24	2015/03/27	11:16	171.2	2	C	D SPOT	STZ	-34.4	Einaga, Hideo	172.0	-0.8
25	2015/03/29	12:22	171.2	2	C	D SPOT	STB-S	-33.1	Go, Christopher	170.7	+0.5
26	2015/03/29	13:03	170.6	2	C	D SPOT	STZ	-33.5	Miyazaki, Isao	170.7	-0.1
27	2015/03/29	10:23	171.7	2	C	D SPOT	STB-S	-33.5	Yunoki, Kenkichi	170.8	+0.9
28	2015/03/31	12:05	171.0	2	C	D SPOT	STB-S	-33.3	Ota, Satoshi	169.5	+1.5
29	2015/04/03	10:21	169.3	2	C	D SPOT	STB-S	-32.8	Go, Christopher	167.8	+1.5
30	2015/04/05	13:32	168.5	2	C	D SPOT	STB-S	-34.0	Miyazaki, Isao	166.5	+2.0
31	2015/04/05	12:47	168.0	2	C	D SPOT	STB-S	-33.5	Olivetti, Tiziano	166.5	+1.5
32	2015/04/08	10:31	165.3	2	C	D SPOT	STB-S	-33.6	Go, Christopher	164.7	+0.6
33	2015/04/10	10:48	163.5	2	C	D SPOT	STZ	-33.8	Go, Christopher	163.5	0.0
34	2015/04/12	21:39	162.5	2	C	D SPOT	STB-S	-33.5	Delcroix, Marc	162.0	+0.5
35	2015/04/12	12:57	162.3	2	C	D SPOT	STZ	-33.7	Go, Christopher	162.3	0.0
36	2015/04/17	11:15	158.1	2	C	D SPOT	STZ	-33.7	Ota, Satoshi	159.3	-1.2
37	2015/04/17	11:46	159.8	2	C	D SPOT	STZ	-34.3	Miyazaki, Isao	159.3	+0.5
38	2015/04/17	12:21	159.5	2	C	D BAR	STZ	-33.9	Einaga, Hideo	159.3	+0.2
39	2015/04/19	13:12	156.6	2	C	D SPOT	STZ	-33.5	Olivetti, Tiziano	158.0	-1.4
40	2015/04/22	10:51	155.2	2	C	D SPOT	STB-S	-33.5	Einaga, Hideo	156.3	-1.1
41	2015/04/22	11:23	154.1	2	C	D SPOT	STZ	-34.0	Ota, Satoshi	156.3	-2.2
42	2015/04/26	13:31	154.8	2	C	D SPOT	STB-S	-33.8	Miyazaki, Isao	152.4	+2.4
43	2015/04/27	09:53	154.0	2	C	D SPOT	STB-S	-33.1	Einaga, Hideo	152.5	+1.5
44	2015/04/27	10:58	152.8	2	C	D SPOT	STZ	-33.5	Iwamasa, Ryuichi	152.5	+0.3
45	2015/04/29	10:49	152.7	2	C	D SPOT	STB-S	-32.9	Go, Christopher	152.9	-0.2
46	2015/04/29	12:54	152.4	2	C	D SPOT	STB-S	-33.7	Iwamasa, Ryuichi	152.9	-0.5
47	2015/04/29	12:32	152.5	2	C	D SPOT	STB-S	-33.0	Einaga, Hideo	152.9	-0.4
48	2015/05/01	12:35	152.7	2	C	D SPOT	STB-S	-33.0	Einaga, Hideo	153.2	-0.5
49	2015/05/01	12:34	154.6	2	C	D SPOT	STB-S	-33.0	Yoshida, Tomoyuki	153.2	+1.4
50	2015/05/02	09:43	152.9	2	C	D SPOT	STB-S	-33.0	Einaga, Hideo	153.4	-0.5
51	2015/05/04	11:04	152.7	2	C	D SPOT	STB-S	-32.6	Go, Christopher	153.7	-1.0
52	2015/05/06	13:27	153.9	2	C	D SPOT	STB-S	-33.4	Miyazaki, Isao	154.1	-0.2
53	2015/05/07	09:38	153.1	2	C	D SPOT	STB-S	-33.0	Kozawa, Tokujiro	154.2	-1.1
54	2015/05/11	10:36	154.0	2	C	D SPOT	STB-S	-32.1	Go, Christopher	154.9	-0.9
55	2015/05/14	10:21	153.4	2	C	D SPOT	STB-S	-32.6	Go, Christopher	155.5	-2.1
56	2015/05/16	10:23	154.2	2	C	D SPOT	STB-S	-32.4	Go, Christopher	155.8	-1.6
57	2015/05/21	10:07	156.3	2	C	D SPOT	STB-S	-32.8	Einaga, Hideo	156.7	-0.4
58	2015/05/26	10:26	158.1	2	C	D SPOT	STB-S	-33.4	Einaga, Hideo	157.5	+0.6
59	2015/05/26	10:26	159.6	2	C	D SPOT	STB-S	-32.5	Go, Christopher	157.5	+2.1
60	2015/05/26	10:30	158.0	2	C	D SPOT	STB-S	-32.9	Kozawa, Tokujiro	157.5	+0.5
61	2015/05/28	20:14	158.7	2	C	D SPOT	STZ	-32.3	Delcroix, Marc	158.0	+0.7