Sunspot Observation
								Nayoro Observatory
								128mm Refractor  Canon EOS7D　Herschel Prism+G540nm Filter
												Observer  Fumitake Watanabe
	Apr,2023
	Date Time(UT)				North			South			Total		Seeing	memo
	Day	h	m	g	f	R	g	f	R	g	f	R
	1
	2	03	28	1	2	12	2	3	23	3	5	35	4
	3	04	02	1	1	11	3	14	44	4	15	55	3
	4	03	29	2	4	24	1	17	27	3	21	51	2
	5	03	42	1	2	12	1	18	28	2	20	40	1
	6
	7
	8
	9
	10
	11	03	33	4	20	60	3	24	54	7	44	114	1
	12	04	15	4	14	54	4	29	69	8	43	123	2
	13	04	35	4	8	48	5	38	88	9	46	136	2
	14	03	27	3	10	40	6	39	99	9	49	139	1
	15	03	50	3	8	38	7	52	122	10	60	160	3
	16
	17
	18	03	51	3	19	49	7	30	100	10	49	149	3
	19
	20
	21	06	01	2	17	37	5	12	62	7	29	99	1
	22	06	20	2	15	35	6	19	79	8	34	114	2
	23
	24
	25	00	20	1	1	11	5	15	65	6	16	76	2	AM(休館日キュウカンビ)
	26
	27	03	27	4	16	56	3	24	54	7	40	110	2
	28
	29
	30	04	07	4	23	63	3	34	64	7	57	127	4
		Total		39	160	550	61	368	978	100	528	1528		R=k(10g+f)
		Mean				36.7			65.2			101.9		k=1
		obs day		15