Sunspot drawing of 1973-4-8

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https://doi.org/10.7891/e-manuscripta-97448



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1973-04-08
08:00
Hs 1304.5:5034
https://doi.org/10.7891/e-manuscripta-97448
Observer : Sergio Cortesi
Seeing (SIDC) : 3
Group Not Weighted Weighted Type Latitude Carrington Longit.
79 6 B -6.5 79.5
81 9 J 11.4 40.3
83 7 A -13.0 352.6
84 4 A -14.9 340.9
86 8 C -8.2 359.7
88 24 D -9.6 323.9
89 2 A -10.9 335.2
7 60