Sunspot drawing of 1971-3-8

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https://doi.org/10.7891/e-manuscripta-96849



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1971-03-08
08:30
Hs 1304.5:4399
https://doi.org/10.7891/e-manuscripta-96849
Observer : Sergio Cortesi
Seeing (SIDC) : 3
Group Not Weighted Weighted Type Latitude Carrington Longit.
67 3 J 24.9 44.5
69 5 J 7.6 34.1
72 3 A -11.6 339.3
77 1 A 0.7 11.0
79 9 D -16.1 262.9
80 4 B -8.2 292.6
6 25