Sunspot Observation
								Nayoro Observatory
								128mm Refractor  Canon EOS7D　Herschel Prism+G540nm Filter
												Observer  Fumitake Watanabe
	Oct,2025
	Date Time(UT)				North			South			Total		Seeing	memo
	Day	h	m	g	f	R	g	f	R	g	f	R
	1	03	33	7	50	120	3	22	52	10	72	172	3
	2	03	36	7	72	142	3	22	52	10	94	194	5
	3	03	38	7	46	116	3	12	42	10	58	158	2
	4	03	28	6	76	136	3	16	46	9	92	182	5
	5	00	17	6	52	112	1	11	21	7	63	133	2	AM
	6	00	10	5	43	93	4	19	59	9	62	152	3	AM(休日キュウジツ)
	7	04	55	4	13	53	3	11	41	7	24	94	1	休日キュウジツ
	8	03	56	4	6	46	2	10	30	6	16	76	3
	9	00	26	2	2	22	3	11	41	5	13	63	2	AM(休日キュウジツ)
	10	05	21	3	7	37	3	8	38	6	15	75	2
	11	04	02	4	21	61	2	11	31	6	32	92	2	Photo by Ito
	12	00	38	4	47	87	2	13	33	6	60	120	3	AM
	13	06	19	4	45	85	3	5	35	7	50	120	2	休日キュウジツ
	14	00	16	5	50	100	2	4	24	7	54	124	3	AM(休館日キュウカンビ)
	15	00	26	5	80	130	1	3	13	6	83	143	5	AM(休館日キュウカンビ)
	16
	17	03	32	4	44	84	3	14	44	7	58	128	3
	18
	19
	20
	21
	22
	23	03	28	3	4	34	4	8	48	7	12	82	2
	24
	25
	26
	27
	28
	29	03	54	3	18	48	4	10	50	7	28	98	3	休日キュウジツ
	30
	31
		Total		83	676	1506	49	210	700	132	886	2206		R=k(10g+f)
		Mean				83.7			38.9			122.6		k=1
		obs day		18