Sunspot drawing of 1969-12-9

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https://doi.org/10.7891/e-manuscripta-95776



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1969-12-09
09:00
Hs 1304.5:4024
https://doi.org/10.7891/e-manuscripta-95776
Observer : Araldo Pittini
Seeing (SIDC) : 2
Group Not Weighted Weighted Type Latitude Carrington Longit.
496 3 J -21.4 268.8
499 3 J 16.4 221.7
502 3 B 6.4 255.2
503 14 C -19.9 224.2
4 23