Sunspot drawing of 1961-10-4

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https://doi.org/10.7891/e-manuscripta-92656



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1961-10-04
08:30
Hs 1304.5:1481
https://doi.org/10.7891/e-manuscripta-92656
Observer : Sergio Cortesi
Seeing (SIDC) : 4
Group Not Weighted Weighted Type Latitude Carrington Longit.
281 3 B 12.2 85.3
282 18 D 13.3 68.1
285 18 C -12.9 45.1
286 8 C 16.1 25.0
287 3 B 15.3 0.2
5 50