Sunspot drawing of 1959-12-17

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https://doi.org/10.7891/e-manuscripta-91460



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1959-12-17
08:30
Hs 1304.5:908
https://doi.org/10.7891/e-manuscripta-91460
Observer : Sergio Cortesi
Seeing (SIDC) : 4
Group Not Weighted Weighted Type Latitude Carrington Longit.
900 14 C 17.3 99.8
903 5 C 4.7 153.5
904 7 B -13.3 98.2
906 7 C 7.1 81.8
907 12 C -2.8 77.9
908 20 D -7.7 114.1
909 3 B 23.1 98.8
910 11 B 10.2 44.6
911 13 D -17.0 19.8
912 1 A 12.7 86.3
913 1 A 11.7 66.4
914 3 J 17.2 354.5
12 97