Sunspot drawing of 1983-12-3

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https://doi.org/10.7891/e-manuscripta-140540



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1983-12-03
08:30
Hs 1304.6:877
https://doi.org/10.7891/e-manuscripta-140540
Observer : Sergio Cortesi
Seeing (SIDC) : 2
Group Not Weighted Weighted Type Latitude Carrington Longit.
306 8 12 B 18 117
307 1 1 A 10 97
2 9 13