Rotation Period in 2024-25 Apparition(NEBW9)

Object	NEBZ white spot	ID	NEBW9

Period	p1	Data Count	30
Rotation Period	9h54m25.5s±2.9s	Refernce Date	2024/12/07
Drift Rate (deg./day)	-1.834±0.072	Refernce Longitude	72.1±1.3
Limiting Date	2025/01/27－2025/03/04	Latitude	+13.6±0.6
Limiting Longitude	336.0－269.1	Wind Velocity (m/sec)	+22.0±1.0

Period	p2	Data Count	8
Rotation Period	9h53m57.2s±8.8s	Refernce Date	2024/12/07
Drift Rate (deg./day)	-2.525±0.214	Refernce Longitude	133.1±1.8
Limiting Date	2025/03/06－2025/03/23	Latitude	+12.2±0.5
Limiting Longitude	267.1－222.9	Wind Velocity (m/sec)	+31.9±3.0

No.	Date	Time	Longitude	Sys.	PCF	Object	Location	Latitude	Observer	Est. Longitude	Error
1	2025/01/27	09:53	336.0	2	C	W SPOT	NEBZ	+14.4	Suzuki, Kunihiko	337.8	-1.8
2	2025/01/27	11:40	335.7	2	C	W SPOT	NEBZ	+14.3	Miyazaki, Isao	337.6	-1.9
3	2025/01/29	12:19	332.8	2	C	W SPOT	NEBZ	+14.0	Miyazaki, Isao	333.9	-1.1
4	2025/01/30	09:26	331.6	2	C	W SPOT	NEBZ	+13.4	Kumamori, Teruaki	332.3	-0.7
5	2025/02/01	10:44	328.3	2	C	W SPOT	NEBZ	+13.2	Go, Christopher	328.5	-0.2
6	2025/02/01	18:36	328.2	2	C	W SPOT	NEBZ	+13.2	Dauvergne, Jean-Luc	327.9	+0.3
7	2025/02/01	20:23	327.0	2	C	W SPOT	NEBZ	+12.8	Pellier, Christophe	327.8	-0.8
8	2025/02/02	14:05	325.7	2	C	W SPOT	NEBZ	+13.2	Olivetti, Tiziano	326.4	-0.7
9	2025/02/05	12:33	321.2	2	C	W SPOT	NEBZ	+13.7	Olivetti, Tiziano	321.0	+0.2
10	2025/02/06	09:15	319.6	2	C	W SPOT	NEBZ	+13.9	Kumamori, Teruaki	319.5	+0.1
11	2025/02/08	10:10	316.4	2	C	W SPOT	NEBZ	+13.5	Go, Christopher	315.7	+0.7
12	2025/02/08	10:12	318.1	2	C	W OVAL	NEBZ		Horikawa, Kuniaki	315.7	+2.4
13	2025/02/10	11:44	313.4	2	C	W SPOT	NEBZ	+13.9	Olivetti, Tiziano	311.9	+1.5
14	2025/02/13	09:02	308.2	2	C	W OVAL	NEBZ	+13.5	Suzuki, Kunihiko	306.6	+1.6
15	2025/02/13	10:32	307.3	2	C	W SPOT	NEBZ	+14.0	Ito, Satoshi	306.5	+0.8
16	2025/02/17	11:42	301.0	2	C	W SPOT	NEBZ	+13.1	Miyazaki, Isao	299.1	+1.9
17	2025/02/17	12:57	300.0	2	C	W SPOT	NEBZ	+13.2	Olivetti, Tiziano	299.0	+1.0
18	2025/02/18	17:25	297.1	2	C	W SPOT	NEBZ	+12.9	Dauvergne, Jean-Luc	296.8	+0.3
19	2025/02/19	12:44	297.1	2	C	W SPOT	NEBZ	+13.5	Miyazaki, Isao	295.4	+1.7
20	2025/02/20	10:11	295.3	2	C	W SPOT	NEBZ	+13.6	Ito, Satoshi	293.7	+1.6
21	2025/02/22	10:49	291.4	2	C	W SPOT	NEBZ	+12.8	Suzuki, Kunihiko	290.0	+1.4
22	2025/02/24	12:03	285.7	2	C	W SPOT	NEBZ	+13.1	Miyazaki, Isao	286.2	-0.5
23	2025/02/25	08:53	284.5	2	C	W SPOT	NEBZ	+13.5	Suzuki, Kunihiko	284.6	-0.1
24	2025/02/27	09:55	279.2	2	C	W SPOT	NEBZ	+13.6	Miyazaki, Isao	280.9	-1.7
25	2025/02/27	10:24	280.1	2	C	W SPOT	NEBZ	+13.3	Suzuki, Takashi	280.9	-0.8
26	2025/02/27	09:53	279.4	2	C	W SPOT	NEBZ		Horikawa, Kuniaki	280.9	-1.5
27	2025/03/01	10:22	277.6	2	C	W SPOT	NEBZ	+15.0	Ito, Satoshi	277.2	+0.4
28	2025/03/01	11:35	277.0	2	C	W SPOT	NEBZ	+15.0	Miyazaki, Isao	277.1	-0.1
29	2025/03/04	10:11	269.1	2	C	W AREA	NEBZ	+14.0	Miyazaki, Isao	271.7	-2.6
30	2025/03/04	18:08	269.9	2	C	W SPOT	NEBZ	+14.0	Pellier, Christophe	271.1	-1.2
31	2025/03/06	09:36	267.1	2	C	W SPOT	NEBZ	+12.9	Ito, Satoshi	267.4	-0.3
32	2025/03/09	08:53	256.6	2	C	W SPOT	NEBZ	+11.2	Suzuki, Kunihiko	259.9	-3.3
33	2025/03/11	09:41	256.4	2	C	W SPOT	NEBZ	+12.4	Miyazaki, Isao	254.7	+1.7
34	2025/03/13	10:03	251.1	2	C	W SPOT	NEBZ	+12.7	Miyazaki, Isao	249.6	+1.5
35	2025/03/13	11:25	250.7	2	C	W SPOT	NEBZ	+12.3	Go, Christopher	249.5	+1.2
36	2025/03/18	10:03	237.6	2	C	W SPOT	NEBZ	+11.9	Miyazaki, Isao	237.0	+0.6
37	2025/03/22	11:56	226.8	2	C	W SPOT	NEBZ	+12.5	Miyazaki, Isao	226.7	+0.1
38	2025/03/23	09:27	222.9	2	C	W SPOT	NEBZ	+11.9	Ito, Satoshi	224.4	-1.5