Sunspot drawing of 1997-4-5

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https://doi.org/10.7891/e-manuscripta-149593



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1997-04-05
08:30
Hs 1304.6:4958
https://doi.org/10.7891/e-manuscripta-149593
Observer : Sergio Cortesi
Seeing (SIDC) : 3
Group Not Weighted Weighted Type Latitude Carrington Longit.
18 1 2 A -22 292
19 4 6 C -22 288
20 7 10 C -28 213
3 12 18