Sunspot drawing of 1986-10-28

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https://doi.org/10.7891/e-manuscripta-142072



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1986-10-28
08:00
Hs 1304.6:1739
https://doi.org/10.7891/e-manuscripta-142072
Observer : Sergio Cortesi
Seeing (SIDC) : 3
Group Not Weighted Weighted Type Latitude Carrington Longit.
56 13 24 C 23 228
57 8 12 C -26 190
58 2 4 C -15 186
59 5 6 B -21 138
60 3 9 H 0 100
5 31 55