Sunspot drawing of 1977-12-4

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https://doi.org/10.7891/e-manuscripta-98738



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1977-12-04
08:15
Hs 1304.5:6463
https://doi.org/10.7891/e-manuscripta-98738
Observer : Araldo Pittini
Seeing (SIDC) : 2
Group Not Weighted Weighted Type Latitude Carrington Longit.
162 B 16.0 250.7
164 12 G -20.4 200.7
165 5 B 15.0 287.1
166 4 B 16.0 225.2
4 21