Rotation Period in 2021-22 Apparition(END6)

Object	p/NEBs dark section	ID	END6

Period		Data Count	28
Rotation Period	9h50m34.2s±3.1s	Refernce Date	2021/08/20
Drift Rate (deg./day)	+0.105±0.078	Refernce Longitude	200.9±3.2
Limiting Date	2021/03/18－2021/06/09	Latitude	+7.7±0.9
Limiting Longitude	175.9－194.2	Wind Velocity (m/sec)	+104.2±1.1

No.	Date	Time	Longitude	Sys.	PCF	Object	Location	Latitude	Observer	Est. Longitude	Error
1	2021/03/18	20:54	175.9	1	P	D SECT	NEB-S	+7.4	Miyazaki, Isao	184.7	-8.8
2	2021/03/25	21:09	181.6	1	P	D SECT	EZ-N	+5.9	Miyazaki, Isao	185.4	-3.8
3	2021/04/02	04:06	183.0	1	P	D SECT	NEB-S	+8.1	Foster, Clyde	186.2	-3.2
4	2021/04/03	21:08	185.2	1	P	D SECT	NEB-S	+7.6	Go, Christopher	186.4	-1.2
5	2021/04/09	04:11	186.4	1	P	D SECT	NEB-S	+8.4	Foster, Clyde	186.9	-0.5
6	2021/04/10	20:04	188.7	1	P	D SECT	NEB-S	+8.2	Suzuki, Kunihiko	187.1	+1.6
7	2021/04/10	21:05	187.4	1	P	D SECT	NEB-S	+8.2	Miyazaki, Isao	187.1	+0.3
8	2021/04/16	02:58	190.8	1	P	D SECT	NEB-S	+8.0	Foster, Clyde	187.7	+3.1
9	2021/04/17	20:38	189.6	1	P	D SECT	NEB-S	+5.8	Miyazaki, Isao	187.8	+1.8
10	2021/04/19	19:52	190.8	1	P	D SECT	NEB-S	+7.7	Suzuki, Kunihiko	188.0	+2.8
11	2021/04/23	22:44	192.4	1	P	D SECT	NEB-S	+8.6	Olivetti, Tiziano	188.5	+3.9
12	2021/04/24	19:39	193.4	1	P	D SECT	NEB-S	+6.6	Suzuki, Kunihiko	188.6	+4.8
13	2021/04/25	03:59	192.6	1	P	D SECT	NEB-S	+8.4	Foster, Clyde	188.6	+4.0
14	2021/04/26	19:42	193.1	1	P	D SECT	NEB-S	+8.2	Suzuki, Kunihiko	188.8	+4.3
15	2021/05/03	20:12	194.2	1	P	D SECT	NEB-S	+7.4	Miyazaki, Isao	189.5	+4.7
16	2021/05/05	19:34	193.9	1	P	D SECT	NEB-S	+5.9	Ohsugi, Tadao	189.7	+4.2
17	2021/05/10	19:19	188.9	1	P	D SECT	NEB-S	+7.6	Suzuki, Kunihiko	190.3	-1.4
18	2021/05/14	20:37	189.5	1	P	D SECT	NEB-S	+8.1	Go, Christopher	190.7	-1.2
19	2021/05/14	21:29	189.9	1	P	D SECT	NEB-S	+8.1	Olivetti, Tiziano	190.7	-0.8
20	2021/05/16	02:28	189.7	1	P	D SECT	NEB-S	+7.7	Foster, Clyde	190.8	-1.1
21	2021/05/19	19:18	188.9	1	P	D SECT	NEB-S	+7.1	Miyazaki, Isao	191.2	-2.3
22	2021/05/25	04:01	191.1	1	P	D SECT	NEB-S	+8.6	Foster, Clyde	191.8	-0.7
23	2021/05/26	19:09	189.5	1	P	D SECT	NEB-S	+8.6	Miyazaki, Isao	191.9	-2.4
24	2021/05/26	18:29	190.2	1	P	D SECT	NEB-S	+8.7	Wesley, Anthony	191.9	-1.7
25	2021/05/27	04:00	191.4	1	P	D SECT	NEB-S	+9.0	Foster, Clyde	192.0	-0.6
26	2021/06/02	18:34	190.7	1	P	D SECT	NEB-S	+7.2	Ohsugi, Tadao	192.7	-2.0
27	2021/06/02	17:42	191.4	1	P	D SECT	NEB-S		Horikawa, Kuniaki	192.7	-1.3
28	2021/06/09	18:08	190.8	1	P	D SECT	NEB-S	+6.8	Ohsugi, Tadao	193.4	-2.6