Sunspot drawing of 1959-12-21

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https://doi.org/10.7891/e-manuscripta-91514



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1959-12-21
14:30
Hs 1304.5:912
https://doi.org/10.7891/e-manuscripta-91514
Observer : Sergio Cortesi
Seeing (SIDC) : 2
Group Not Weighted Weighted Type Latitude Carrington Longit.
906 3 J 7.4 83.5
907 6 D -1.5 79.0
910 C 10.9 46.0
911 11 D -16.6 17.5
914 11 D 16.5 357.0
915 13 D 23.7 357.0
917 26 D 10.2 13.2
918 3 J 19.0 333.5
8 73