Sunspot drawing of 1968-12-15

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https://doi.org/10.7891/e-manuscripta-95655



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1968-12-15
08:45
Hs 1304.5:3715
https://doi.org/10.7891/e-manuscripta-95655
Observer : Sergio Cortesi
Seeing (SIDC) : 3
Group Not Weighted Weighted Type Latitude Carrington Longit.
546 2 A 18.2 342.8
555 47 E -32.5 287.9
556 22 D -21.7 229.1
558 14 B 21.6 295.7
559 7 B 2.2 211.1
5 92