Sunspot drawing of 1987-1-27

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https://doi.org/10.7891/e-manuscripta-142981



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1987-01-27
08:30
Hs 1304.6:1817
https://doi.org/10.7891/e-manuscripta-142981
Observer : Sergio Cortesi
Seeing (SIDC) : 3
Group Not Weighted Weighted Type Latitude Carrington Longit.
4A 3 1 A -26 126
8 6 6 B 12 359
2 9 7