Sunspot drawing of 1983-11-30

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https://doi.org/10.7891/e-manuscripta-140533



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1983-11-30
08:30
Hs 1304.6:874
https://doi.org/10.7891/e-manuscripta-140533
Observer : Sergio Cortesi
Seeing (SIDC) : 2
Group Not Weighted Weighted Type Latitude Carrington Longit.
306 7 12 C 18 121
307 1 3 J 11 98
2 8 15