Sunspot drawing of 1971-4-11

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https://doi.org/10.7891/e-manuscripta-96678



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1971-04-11
10:00
Hs 1304.5:4427
https://doi.org/10.7891/e-manuscripta-96678
Observer : Araldo Pittini
Seeing (SIDC) : 4
Group Not Weighted Weighted Type Latitude Carrington Longit.
111 5 J 15.1 270.4
112 5 A -14.4 261.0
115 3 A -3.3 244.0
117 13 C 3.3 178.7
118 4 J -5.8 173.9
5 30