Sunspot drawing of 1957-9-16

Group	Not Weighted	Weighted	Type	Latitude	Carrington Longit.
486		14	F	11.7	196.7
488		7	J	-11.7	202.6
490		27	F	-15.4	185.1
491		10	H	-41.2	154.1
492		7	C	-20.1	151.5
495		2	J	-45.2	133.6
496		20	D	24.1	147.8
498		54	F	12.5	108.2
500		6	J	-21.5	106.3
501		4	B	39.4	124.7
502		77	F	21.4	86.5
503		43	F	8.8	73.0
505		1	A	-41.3	145.7
506		1	A	-16.9	97.4
507		2	A	12.9	92.5
15		275