Sunspot drawing of 1984-1-13

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https://doi.org/10.7891/e-manuscripta-141020



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1984-01-13
08:30
Hs 1304.6:910
https://doi.org/10.7891/e-manuscripta-141020
Observer : Sergio Cortesi
Seeing (SIDC) : 3
Group Not Weighted Weighted Type Latitude Carrington Longit.
4 1 2 A -2 324
5 6 5 B -6 314
8 3 8 J -13 272
9 11 22 D -16 257
4 21 37