Sunspot drawing of 1969-5-20

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https://doi.org/10.7891/e-manuscripta-95717



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1969-05-20
07:45
Hs 1304.5:3840
https://doi.org/10.7891/e-manuscripta-95717
Observer : Sergio Cortesi
Seeing (SIDC) : 3
Group Not Weighted Weighted Type Latitude Carrington Longit.
188 4 J 16.6 80.4
189 6 C 14.0 78.2
191 8 J 17.7 69.7
203 28 E -16.5 317.7
206 11 B 10.9 327.3
207 38 D -13.5 338.8
208 16 C 7.7 309.0
209 10 D 11.9 296.4
210 2 A -16.7 358.8
9 123