Sunspot drawing of 1993-9-21

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https://doi.org/10.7891/e-manuscripta-147584



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1993-09-21
07:30
Hs 1304.6:3886
https://doi.org/10.7891/e-manuscripta-147584
Observer : Sergio Cortesi
Seeing (SIDC) : 4
Group Not Weighted Weighted Type Latitude Carrington Longit.
233 5 3 B -12 34
237 2 3 B -8 337
2 7 6