Sunspot drawing of 1971-5-19

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https://doi.org/10.7891/e-manuscripta-96785



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1971-05-19
07:30
Hs 1304.5:4458
https://doi.org/10.7891/e-manuscripta-96785
Observer : Sergio Cortesi
Seeing (SIDC) : 3
Group Not Weighted Weighted Type Latitude Carrington Longit.
149 10 J 4.1 134.2
154 2 A 11.9 145.6
157 4 J 16.0 58.2
158 3 J 14.1 38.7
159 2 A 6.7 29.0
5 21