Sunspot drawing of 1973-10-31

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https://doi.org/10.7891/e-manuscripta-97362



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1973-10-31
07:45
Hs 1304.5:5217
https://doi.org/10.7891/e-manuscripta-97362
Observer : Sergio Cortesi
Seeing (SIDC) : 4
Group Not Weighted Weighted Type Latitude Carrington Longit.
210 14 C -14.0 200.8
213 3 J 11.1 167.3
215 1 A -20.0 176.8
217 3 A 2.8 115.0
4 21