Sunspot drawing of 1977-12-29

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https://doi.org/10.7891/e-manuscripta-98669



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1977-12-29
09:00
Hs 1304.5:6483
https://doi.org/10.7891/e-manuscripta-98669
Observer : Sergio Cortesi
Seeing (SIDC) : 3
Group Not Weighted Weighted Type Latitude Carrington Longit.
179 3 J 22.6 325.8
183 5 B 19.4 250.9
184 12 C 20.2 238.7
186 13 D -19.2 203.8
187/189 9 C -18.1 178.8
188 2 B -19.5 274.6
6 44