Sunspot drawing of 1974-11-11

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https://doi.org/10.7891/e-manuscripta-97830



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1974-11-11
07:45
Hs 1304.5:5534
https://doi.org/10.7891/e-manuscripta-97830
Observer : Sergio Cortesi
Seeing (SIDC) : 4
Group Not Weighted Weighted Type Latitude Carrington Longit.
185 4 A 3.6 250.2
186 4 B 8.3 220.5
187 6 B 7.1 230.1
3 14