Sunspot drawing of 1973-1-7

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https://doi.org/10.7891/e-manuscripta-97340



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1973-01-07
08:30
Hs 1304.5:4951
https://doi.org/10.7891/e-manuscripta-97340
Observer : Araldo Pittini
Seeing (SIDC) : 3
Group Not Weighted Weighted Type Latitude Carrington Longit.
4 16 C 7.3 142.9
5 50 E 12.6 113.4
7 6 C -11.2 175.9
10 4 J -18.5 63.4
4 76