Rotation Period in 2023-24 Apparition(NND1)

Object	NNTZ dark spot	ID	NND1

Period		Data Count	46
Rotation Period	9h55m40.8s±3.2s	Refernce Date	2023/11/03
Drift Rate (deg./day)	+0.005±0.079	Refernce Longitude	21.7±2.0
Limiting Date	2023/08/05－2023/09/25	Latitude	+41.4±0.5
Limiting Longitude	17.8－26.1	Wind Velocity (m/sec)	-2.9±0.8

No.	Date	Time	Longitude	Sys.	PCF	Object	Location	Latitude	Observer	Est. Longitude	Error
1	2023/08/05	19:15	26.1	2	C	D SPOT	NNTZ	+42.1	Ishibashi, Tsutomu	21.3	+4.8
2	2023/08/07	10:56	25.0	2	C	D SPOT	NNTZ	+41.4	Grafton, Ed	21.3	+3.7
3	2023/08/07	21:01	24.1	2	C	D SPOT	NNTZ	+42.3	Akutsu, Tomio	21.3	+2.8
4	2023/08/08	17:41	23.8	2	C	D SPOT	NNTZ	+41.4	Suzuki, Kunihiko	21.3	+2.5
5	2023/08/10	17:33	22.5	2	C	D SPOT	NNTZ	+41.3	Suzuki, Kunihiko	21.3	+1.2
6	2023/08/10	19:07	22.3	2	C	D SPOT	NNTZ	+41.2	Miyazaki, Isao	21.3	+1.0
7	2023/08/11	03:32	22.3	2	C	D SPOT	NNTZ	+41.4	Dauvergne, Jean-Luc	21.3	+1.0
8	2023/08/12	10:40	21.9	2	C	D SPOT	NNTZ	+41.5	Grafton, Ed	21.3	+0.6
9	2023/08/12	19:50	20.8	2	C	D SPOT	NNTZ	+41.4	Miyazaki, Isao	21.3	-0.5
10	2023/08/14	10:36	19.0	2	C	D SPOT	NNTZ	+41.4	Grafton, Ed	21.3	-2.3
11	2023/08/14	21:04	20.1	2	C	D SPOT	NNTZ	+41.0	Go, Christopher	21.3	-1.2
12	2023/08/15	18:37	20.4	2	C	D SPOT	NNTZ	+41.1	Yamazaki, Akihiro	21.3	-0.9
13	2023/08/16	03:31	19.7	2	C	D SPOT	NNTZ	+41.9	Foster, Clyde	21.3	-1.6
14	2023/08/17	19:27	20.8	2	C	D SPOT	NNTZ	+40.6	Miyazaki, Isao	21.3	-0.5
15	2023/08/18	15:19	19.7	2	C	D SPOT	NNTZ	+40.9	Ito, Satoshi	21.3	-1.6
16	2023/08/19	10:57	20.0	2	C	D SPOT	NNTZ	+41.4	Lamy, George	21.3	-1.3
17	2023/08/20	16:30	20.2	2	C	D SPOT	NNTZ	+41.4	Kazemoto, Akira	21.3	-1.1
18	2023/08/24	19:57	20.2	2	C	D SPOT	NNTZ	+41.4	Suzuki, Takashi	21.4	-1.2
19	2023/08/25	15:50	18.9	2	C	D SPOT	NNTZ	+41.4	Ito, Satoshi	21.4	-2.5
20	2023/08/26	21:05	19.8	2	C	D SPOT	NNTZ	+41.9	Miyazaki, Isao	21.4	-1.6
21	2023/08/27	17:17	19.7	2	C	D SPOT	NNTZ	+41.3	Miyazaki, Isao	21.4	-1.7
22	2023/08/29	09:04	18.9	2	C	D SPOT	NNTZ	+41.9	Grafton, Ed	21.4	-2.5
23	2023/08/29	19:40	17.8	2	C	D SPOT	NNTZ	+41.8	Miyazaki, Isao	21.4	-3.6
24	2023/08/31	10:25	20.1	2	C	D SPOT	NNTZ	+41.3	Grafton, Ed	21.4	-1.3
25	2023/08/31	19:48	19.5	2	C	D SPOT	NNTZ	+41.4	Suzuki, Takashi	21.4	-1.9
26	2023/09/01	15:37	20.2	2	C	D SPOT	NNTZ	+41.9	Ito, Satoshi	21.4	-1.2
27	2023/09/01	16:29	19.2	2	C	D SPOT	NNTZ	+41.5	Suzuki, Kunihiko	21.4	-2.2
28	2023/09/01	17:36	18.8	2	C	D SPOT	NNTZ	+41.5	Miyazaki, Isao	21.4	-2.6
29	2023/09/03	17:51	21.0	2	C	D SPOT	NNTZ	+41.2	Miyazaki, Isao	21.4	-0.4
30	2023/09/05	19:28	21.3	2	C	D SPOT	NNTZ	+41.4	Miyazaki, Isao	21.4	-0.1
31	2023/09/06	16:25	22.8	2	C	D SPOT	NNTZ	+41.0	Miyazaki, Isao	21.4	+1.4
32	2023/09/08	18:03	23.5	2	C	D SPOT	NNTZ	+41.0	Miyazaki, Isao	21.4	+2.1
33	2023/09/09	04:16	22.7	2	C	D SPOT	NNTZ	+43.1	Foster, Clyde	21.4	+1.3
34	2023/09/10	18:48	24.4	2	C	D SPOT	NNTZ	+41.6	Miyazaki, Isao	21.4	+3.0
35	2023/09/10	19:45	23.2	2	C	D SPOT	NNTZ	+41.3	Ota, Satoshi	21.4	+1.8
36	2023/09/11	14:25	24.1	2	C	D SPOT	NNTZ	+41.6	Ishibashi, Tsutomu	21.4	+2.7
37	2023/09/12	21:15	23.4	2	C	D SPOT	NNTZ	+41.2	Miyazaki, Isao	21.5	+1.9
38	2023/09/13	16:24	20.7	2	C	D SPOT	NNTZ	+42.0	Suzuki, Kunihiko	21.5	-0.8
39	2023/09/15	18:37	20.1	2	C	D SPOT	NNTZ	+41.1	Go, Christopher	21.5	-1.4
40	2023/09/16	14:40	19.3	2	C	D SPOT	NNTZ	+41.3	Ito, Satoshi	21.5	-2.2
41	2023/09/17	19:53	20.6	2	C	D SPOT	NNTZ	+40.4	Miyazaki, Isao	21.5	-0.9
42	2023/09/18	16:11	21.3	2	C	D SPOT	NNTZ	+40.4	Ota, Satoshi	21.5	-0.2
43	2023/09/19	21:14	23.7	2	C	D SPOT	NNTZ	+41.1	Miyazaki, Isao	21.5	+2.2
44	2023/09/22	19:41	23.5	2	C	D SPOT	NNTZ	+41.0	Miyazaki, Isao	21.5	+2.0
45	2023/09/24	21:18	24.1	2	C	D SPOT	NNTZ	+41.6	Miyazaki, Isao	21.5	+2.6
46	2023/09/25	16:44	22.0	2	C	D SPOT	NNTZ	+41.6	Miyazaki, Isao	21.5	+0.5