Sunspot drawing of 1984-1-11

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https://doi.org/10.7891/e-manuscripta-140897



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1984-01-11
10:30
Hs 1304.6:908
https://doi.org/10.7891/e-manuscripta-140897
Observer : Sergio Cortesi
Seeing (SIDC) : 3
Group Not Weighted Weighted Type Latitude Carrington Longit.
1A 5 6 B -17 11
4 1 3 J -2 326
5 4 6 J -6 315
8 2 6 H -14 272
9 4 9 G -16 255
5 16 30