Sunspot drawing of 1984-11-20

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https://doi.org/10.7891/e-manuscripta-141097



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1984-11-20
09:15
Hs 1304.6:1165
https://doi.org/10.7891/e-manuscripta-141097
Observer : Sergio Cortesi
Seeing (SIDC) : 3
Group Not Weighted Weighted Type Latitude Carrington Longit.
221 13 15 C 19 150
222 3 7 G -11 59
2 16 22