Sunspot drawing of 1970-4-18

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https://doi.org/10.7891/e-manuscripta-96398



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1970-04-18
08:45
Hs 1304.5:4126
https://doi.org/10.7891/e-manuscripta-96398
Observer : Sergio Cortesi
Seeing (SIDC) : 3
Group Not Weighted Weighted Type Latitude Carrington Longit.
152 30 E 15.5 3.6
157 8 C 11.7 324.8
160 11 C -6.8 278.9
161 4 J -6.9 269.6
163 3 J 16.9 274.8
167 2 A 20.1 224.0
6 58