Sunspot drawing of 1978-5-20

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https://doi.org/10.7891/e-manuscripta-99080



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1978-05-20
06:45
Hs 1304.5:6588
https://doi.org/10.7891/e-manuscripta-99080
Observer : Sergio Cortesi
Seeing (SIDC) : 4
Group Not Weighted Weighted Type Latitude Carrington Longit.
131 9 D -23.0 255.7
135 8 G 21.1 213.3
136 3 J 11.5 191.4
137 9 C -26.3 197.6
141 1 A 13.9 218.3
143 2 A -23.0 147.7
144 8 J -30.8 138.5
7 40