Sunspot Observation
								Nayoro Observatory
								128mm Refractor  Canon EOS7D　Herschel Prism+G540nm Filter
												Observer  Fumitake Watanabe
	Apr,2025
	Date Time(UT)				North			South			Total		Seeing	memo
	Day	h	m	g	f	R	g	f	R	g	f	R
	1	04	10	3	36	66	5	53	103	8	89	169	5	休日キュウジツ
	2
	3
	4
	5
	6	06	20	4	13	53	6	53	113	10	66	166	4
	7	00	45	4	9	49	6	65	125	10	74	174	5
	8
	9
	10	03	25	6	39	99	3	17	47	9	56	146	3
	11	03	32	6	51	111	3	11	41	9	62	152	5
	12	03	19	4	57	97	2	6	26	6	63	123	5
	13
	14
	15
	16
	17	07	41	3	14	44	4	17	57	7	31	101	2
	18
	19
	20
	21	23	56	2	10	30	9	22	112	11	32	142	1
	22
	23	04	36	1	16	26	8	40	120	9	56	146	4
	24	03	26	3	29	59	10	38	138	13	67	197	3
	25
	26	03	49	4	25	65	9	52	142	13	77	207	4
	27	06	19	3	14	44	6	21	81	9	35	125	2
	28	00	39	2	3	23	5	13	63	7	16	86	2	AM(休館日キュウカンビ)
	29
	30	04	30	2	7	27	2	10	30	4	17	57	3	休館日キュウカンビ
		Total		47	323	793	78	418	1198	125	741	1991		R=k(10g+f)
		Mean				56.6			85.6			142.2		k=1
		obs day		14