Sunspot drawing of 1977-12-30

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https://doi.org/10.7891/e-manuscripta-98702



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1977-12-30
09:00
Hs 1304.5:6484
https://doi.org/10.7891/e-manuscripta-98702
Observer : Sergio Cortesi
Seeing (SIDC) : 2
Group Not Weighted Weighted Type Latitude Carrington Longit.
183 14 C 19.0 250.5
184 22 C 19.4 237.7
186 14 D -18.6 203.9
187/189 17 C -18.1 178.1
188 1 A -20.6 276.4
5 68