Sunspot Observation
								Nayoro Observatory
								128mm Refractor  Canon EOS7D　Herschel Prism+G540nm Filter
												Observer  Fumitake Watanabe
	Feb,2025
	Date Time(UT)				North			South			Total		Seeing	memo
	Day	h	m	g	f	R	g	f	R	g	f	R
	1	06	59	5	24	74	3	7	37	8	31	111	1
	2
	3	02	59	6	73	133	2	4	24	8	77	157	3	AM(休館日キュウカンビ)
	4
	5	03	40	8	71	151	0	0	0	8	71	151	3
	6
	7
	8
	9	03	25	7	29	99	2	7	27	9	36	126	4
	10
	11	05	45	4	10	50	3	7	37	7	17	87	2
	12
	13
	14
	15
	16
	17
	18	00	14	4	15	55	7	28	98	11	43	153	2
	19
	20	06	27	4	6	46	3	34	64	7	40	110	2
	21	03	58	5	13	63	4	32	72	9	45	135	2	Photo by Ito
	22	04	09	7	38	108	4	54	94	11	92	202	3	Photo by Ito
	23
	24
	25
	26	02	31	3	22	52	4	24	64	7	46	116	5	AM(休館日キュウカンビ)
	27	04	40	4	14	54	3	10	40	7	24	94	1	Photo by Ito
	28	03	25	7	37	107	3	9	39	10	46	146	5
	29
		Total		64	352	992	38	216	596	102	568	1588		R=k(10g+f)
		Mean				82.7			49.7			132.3		k=1
		obs day		12