Sunspot drawing of 1967-5-20

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https://doi.org/10.7891/e-manuscripta-95087



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1967-05-20
08:30
Hs 1304.5:3224
https://doi.org/10.7891/e-manuscripta-95087
Observer : Sergio Cortesi
Seeing (SIDC) : 3
Group Not Weighted Weighted Type Latitude Carrington Longit.
190 4 J 25.3 326.9
194 1 A -14.9 337.3
195 8 C -13.3 285.8
196 9 C -17.2 279.0
197 11 C 24.2 242.2
199 21 F 25.4 228.2
200 3 J -17.2 218.5
7 57