Sunspot drawing of 1971-12-2

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https://doi.org/10.7891/e-manuscripta-96671



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1971-12-02
09:15
Hs 1304.5:4639
https://doi.org/10.7891/e-manuscripta-96671
Observer : Sergio Cortesi
Seeing (SIDC) : 2
Group Not Weighted Weighted Type Latitude Carrington Longit.
328 6 C 12.1 78.4
329 4 B -9.6 94.5
331 24 D -17.0 90.8
334 4 B -9.1 83.3
336 5 B -12.7 34.6
337 8 C -4.8 321.6
6 51