Sunspot drawing of 1977-12-27

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https://doi.org/10.7891/e-manuscripta-98800



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1977-12-27
08:30
Hs 1304.5:6481
https://doi.org/10.7891/e-manuscripta-98800
Observer : Sergio Cortesi
Seeing (SIDC) : 3
Group Not Weighted Weighted Type Latitude Carrington Longit.
179 6 J 22.6 325.8
182 8 C -26.1 357.7
183 5 B 19.4 252.1
184 10 C 19.9 237.0
185 1 A -28.2 293.0
186 7 D -18.8 202.2
6 37