Sunspot Observation
								Nayoro Observatory
								128mm Refractor  Canon EOS7D　Herschel Prism+G540nm Filter
												Observer  Fumitake Watanabe
	Feb,2023
	Date Time(UT)				North			South			Total		Seeing	memo
	Day	h	m	g	f	R	g	f	R	g	f	R
	1	03	35	3	11	41	3	19	49	6	30	90	4
	2
	3
	4
	5
	6
	7
	8
	9	03	25	5	55	105	5	17	67	10	72	172	3
	10			7	70	140	3	21	51	10	91	191
	11
	12
	13
	14
	15	04	40	4	20	60	3	8	38	7	28	98	1
	16	05	43	3	22	52	4	10	50	7	32	102	2
	17	06	53	3	21	51	4	6	46	7	27	97	2
	18
	19
	20
	21	03	24	5	47	97	3	5	35	8	52	132	3
	22	03	52	4	28	68	2	10	30	6	38	98	2
	23
	24	03	02	3	53	83	3	24	54	6	77	137	4	(休館日キュウカンビ)
	25	03	30	4	44	84	3	26	56	7	70	140	2
	26
	27	05	27	4	30	70	2	12	32	6	42	102	1	AM(休館日キュウカンビ)
	27	23	53	3	44	74	3	25	55	6	69	129	4	AM(休館日キュウカンビ)
		Total		48	445	925	38	183	563	86	628	1488		R=k(10g+f)
		Mean				77.1			46.9			124.0		k=1
		obs day		12