Sunspot drawing of 1960-4-7

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https://doi.org/10.7891/e-manuscripta-91654



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1960-04-07
06:30
Hs 1304.5:996
https://doi.org/10.7891/e-manuscripta-91654
Observer : Sergio Cortesi
Seeing (SIDC) : 4
Group Not Weighted Weighted Type Latitude Carrington Longit.
171 15 E -9.2 90.3
173 6 B 9.7 52.6
174 10 D -7.1 45.3
176 8 C 16.6 71.1
177 B -3.9 89.2
178 16 G -18.9 30.9
183 15 C -10.2 352.2
186 3 A 5.9 53.3
187 1 A -15.3 47.0
188 1 A -13.9 39.1
189 1 A -15.4 22.5
11 76