Sunspot drawing of 1973-11-28

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https://doi.org/10.7891/e-manuscripta-97375



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1973-11-28
08:30
Hs 1304.5:5243
https://doi.org/10.7891/e-manuscripta-97375
Observer : Sergio Cortesi
Seeing (SIDC) : 2
Group Not Weighted Weighted Type Latitude Carrington Longit.
226 29 C -10.3 154.7
227 7 B -10.3 205.7
229 7 C 5.3 187.1
3 43