Sunspot drawing of 1957-12-10

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https://doi.org/10.7891/e-manuscripta-87941



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1957-12-10
13:00
Hs 1304.5:290
https://doi.org/10.7891/e-manuscripta-87941
Observer : Sergio Cortesi
Seeing (SIDC) : 3
Group Not Weighted Weighted Type Latitude Carrington Longit.
741 2 3 A -31.8 128.7
746 12 18 D 6.4 120.5
750 8 11 B 28.0 102.4
755 6 7 A 18.2 86.2
756 9 23 E -18.4 88.8
757 11 25 C 9.7 80.3
760 7 14 C -15.9 76.6
767 5 7 C 14.2 43.5
769 8 16 D -13.8 44.3
770 1 2 A -27.3 142.3
771 12 24 D 10.6 71.7
772 4 6 B -28.4 47.0
773 1 1 A 9.0 22.2
774 1 4 J 23.6 14.4
775 1 4 J -20.1 2.9
15 88 165