Sunspot drawing of 1971-12-1

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https://doi.org/10.7891/e-manuscripta-96900



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1971-12-01
14:15
Hs 1304.5:4638
https://doi.org/10.7891/e-manuscripta-96900
Observer : Sergio Cortesi
Seeing (SIDC) : 3
Group Not Weighted Weighted Type Latitude Carrington Longit.
328 10 6 C 12.3 79.6
329 10 6 A -9.8 94.2
331 24 26 D -17.2 90.0
334 5 6 B -8.3 83.6
337 4 3 A -4.3 321.7
5 53 47