Sunspot drawing of 1972-12-19

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https://doi.org/10.7891/e-manuscripta-97008



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1972-12-19
09:00
Hs 1304.5:4942
https://doi.org/10.7891/e-manuscripta-97008
Observer : Araldo Pittini
Seeing (SIDC) : 2
Group Not Weighted Weighted Type Latitude Carrington Longit.
381 5 C -20.2 58.8
385 9 B -7.9 351.7
387 19 D 14.5 342.2
3 33