Sunspot drawing of 1971-5-12

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https://doi.org/10.7891/e-manuscripta-96823



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1971-05-12
08:00
Hs 1304.5:4451
https://doi.org/10.7891/e-manuscripta-96823
Observer : Araldo Pittini
Seeing (SIDC) : 3
Group Not Weighted Weighted Type Latitude Carrington Longit.
138 20 E 12.2 271.4
139 4 J 11.1 252.8
145 6 C 4.2 188.6
146 12 B 2.2 158.3
149 13 D 4.4 130.4
5 55