Sunspot drawing of 1961-7-20

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https://doi.org/10.7891/e-manuscripta-92720



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1961-07-20
05:30
Hs 1304.5:1408
https://doi.org/10.7891/e-manuscripta-92720
Observer : Araldo Pittini
Seeing (SIDC) : 3
Group Not Weighted Weighted Type Latitude Carrington Longit.
196 12 D -7.0 49.4
197 9 J 11.5 15.8
202 2 A -6.9 334.7
205 17 B 1.0 288.6
206 3 C -14.4 284.6
207 12 B -5.9 320.5
209 10 D 7.7 261.3
7 65