Sunspot drawing of 1987-9-8

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https://doi.org/10.7891/e-manuscripta-142820



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1987-09-08
06:30
Hs 1304.6:2010
https://doi.org/10.7891/e-manuscripta-142820
Observer : Sergio Cortesi
Seeing (SIDC) : 3
Group Not Weighted Weighted Type Latitude Carrington Longit.
91 1 2 A -25 4
92 49 63 D -22 340
95 3 6 C -26 277
96 2 5 C 28 249
4 55 76