Sunspot Observation
								Nayoro Observatory
								128mm Refractor  Canon EOS7D　Herschel Prism+G540nm Filter
												Observer  Fumitake Watanabe
	Feb,2021
	Date Time(UT)				North			South			Total		Seeing	memo
	Day	h	m	g	f	R	g	f	R	g	f	R
	1
	2	01	57	1	2	12	0	0	0	1	2	12	2	AM
	3
	4	02	27	0	0	0	0	0	0	0	0	0	2	AM
	5
	6	03	17	0	0	0	0	0	0	0	0	0	5
	7	02	37	0	0	0	0	0	0	0	0	0	2	AM
	8	00	54	0	0	0	0	0	0	0	0	0	1	AM(休館日キュウカンビ)
	9
	10
	11	01	35	0	0	0	0	0	0	0	0	0	2	AM(休日キュウジツ)
	12	00	00	0	0	0	0	0	0	0	0	0	4	AM(休館日キュウカンビ)
	13
	14	01	43	0	0	0	0	0	0	0	0	0	5	AM
	15
	16
	17
	18	01	49	1	4	14	0	0	0	1	4	14	2	AM
	19	04	54	2	3	23	0	0	0	2	3	23	1
	20	03	22	1	3	13	0	0	0	1	3	13	3
	21	02	46	1	3	13	0	0	0	1	3	13	3	AM
	22	00	25	0	0	0	0	0	0	0	0	0	1	AM(休館日キュウ)
	23	02	37	1	5	15	1	7	17	2	12	32	2	AM(休日キュウジツ)
	24	00	57	1	10	20	1	6	16	2	16	36	3	AM(休館日キュウ)
	25
	26	03	38	1	6	16	0	0	0	1	6	16	3
	27	01	40	1	4	14	0	0	0	1	4	14	3	AM
	28
		Total		10	40	140	2	13	33	12	53	173		R=k(10g+f)
		Mean				8.2			1.9			10.2		k=1
		obs day		17