Sunspot drawing of 1958-12-28

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https://doi.org/10.7891/e-manuscripta-88268



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1958-12-28
10:00
Hs 1304.5:600
https://doi.org/10.7891/e-manuscripta-88268
Observer : Sergio Cortesi
Seeing (SIDC) : 1
Group Not Weighted Weighted Type Latitude Carrington Longit.
838 1 4 J 19.2 132.3
839 1 3 J 9.1 144.7
841 2 6 D 12.9 115.0
842 7 14 D 8.7 104.8
843 38 46 F -17.5 77.8
844 3 6 C -21.5 61.8
845 4 7 C -13.6 66.0
847 19 31 E 12.0 64.4
848 2 5 C 19.9 50.1
849 8 14 D 16.2 45.1
850 8 17 D 6.2 36.9
853 4 6 B 25.8 98.3
858 2 7 D -4.2 18.2
861 1 3 J 8.4 122.0
14 100 169