Sunspot drawing of 1974-3-9

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https://doi.org/10.7891/e-manuscripta-97714



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1974-03-09
08:00
Hs 1304.5:5310
https://doi.org/10.7891/e-manuscripta-97714
Observer : Araldo Pittini
Seeing (SIDC) : 4
Group Not Weighted Weighted Type Latitude Carrington Longit.
26 4 B 4.2 224.2
27 7 B 0.2 240.5
2 11