Sunspot drawing of 1972-1-11

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https://doi.org/10.7891/e-manuscripta-97051



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1972-01-11
09:00
Hs 1304.5:4670
https://doi.org/10.7891/e-manuscripta-97051
Observer : Sergio Cortesi
Seeing (SIDC) : 3
Group Not Weighted Weighted Type Latitude Carrington Longit.
10 15 B -8.8 192.1
12 3 B -12.8 220.0
2 18