Sunspot drawing of 1993-9-4

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https://doi.org/10.7891/e-manuscripta-147531



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1993-09-04
09:30
Hs 1304.6:3873
https://doi.org/10.7891/e-manuscripta-147531
Observer : Sergio Cortesi
Seeing (SIDC) : 3
Group Not Weighted Weighted Type Latitude Carrington Longit.
227 1 2 A 21 320
230 5 5 J 11 218
232 4 2 B 16 243
3 10 9