Sunspot Observation
								Nayoro Observatory
								128mm Refractor  Canon EOS7D　Herschel Prism+G540nm Filter
												Observer  Fumitake Watanabe
	Apr,2026
	Date Time(UT)				North			South			Total		Seeing	memo
	Day	h	m	g	f	R	g	f	R	g	f	R
	1	03	18	8	28	108	2	10	30	10	38	138	3
	2
	3	03	33	5	36	86	3	17	47	8	53	133	3
	4
	5	03	32	5	26	76	1	8	18	6	34	94	3
	6
	7
	8	03	34	4	12	52	2	2	22	6	14	74	2
	9	03	26	3	9	39	3	3	33	6	12	72	2
	10
	11
	12	06	48	1	12	22	1	3	13	2	15	35	2
	13
	14
	15	03	25	2	8	28	1	1	11	3	9	39	1
	16	03	26	2	24	44	1	1	11	3	25	55	5
	17
	18	06	01	2	18	38	1	1	11	3	19	49	4
	19	03	33	1	12	22	1	1	11	2	13	33	3
	20	01	47	1	14	24	1	1	11	2	15	35	2	AM(休館日キュウカンビ)
	21	05	33	3	18	48	1	1	11	4	19	59	3
	22	03	42	3	34	64	1	2	12	4	36	76	3
	23	06	38	3	22	52	1	1	11	4	23	63	2	Photo by Ito
	24	03	31	4	20	60	2	8	28	6	28	88	2
	25	03	33	6	57	117	3	14	44	9	71	161	4
	26	03	33	4	49	89	3	10	40	7	59	129	3
	27
	28
	29	07	30	3	48	78	4	14	54	7	62	132	3
	30
		Total		60	447	1047	32	98	418	92	545	1465		R=k(10g+f)
		Mean				58.2			23.2			81.4		k=1
		obs day		18