Sunspot drawing of 1984-12-11

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https://doi.org/10.7891/e-manuscripta-141126



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1984-12-11
08:45
Hs 1304.6:1182
https://doi.org/10.7891/e-manuscripta-141126
Observer : Sergio Cortesi
Seeing (SIDC) : 2
Group Not Weighted Weighted Type Latitude Carrington Longit.
232 7 16 D -12 220
233 3 7 C 18 149
2 10 23