Sunspot drawing of 1983-12-24

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https://doi.org/10.7891/e-manuscripta-140554



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1983-12-24
09:00
Hs 1304.6:891
https://doi.org/10.7891/e-manuscripta-140554
Observer : Sergio Cortesi
Seeing (SIDC) : 3
Group Not Weighted Weighted Type Latitude Carrington Longit.
320 5 7 C -11 270
322 1 2 A 23 285
323 4 8 B 2 192
3 10 17