Sunspot drawing of 1963-12-10

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https://doi.org/10.7891/e-manuscripta-93737



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1963-12-10
09:00
Hs 1304.5:2153
https://doi.org/10.7891/e-manuscripta-93737
Observer : Sergio Cortesi
Seeing (SIDC) : 3
Group Not Weighted Weighted Type Latitude Carrington Longit.
152 6 C -11.8 10.6
154 3 A 8.3 8.3
155 3 B 29.8 254.7
3 12