Sunspot drawing of 1977-12-7

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https://doi.org/10.7891/e-manuscripta-98860



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1977-12-07
08:30
Hs 1304.5:6465
https://doi.org/10.7891/e-manuscripta-98860
Observer : Sergio Cortesi
Seeing (SIDC) : 2
Group Not Weighted Weighted Type Latitude Carrington Longit.
162 15 D 16.2 250.5
164 14 G -20.0 202.1
166 4 B 16.9 225.7
168 15 C -26.1 133.3
169 3 B -17.3 224.4
5 51