Sunspot drawing of 1987-1-24

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https://doi.org/10.7891/e-manuscripta-143020



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1987-01-24
09:00
Hs 1304.6:1814
https://doi.org/10.7891/e-manuscripta-143020
Observer : Sergio Cortesi
Seeing (SIDC) : 2
Group Not Weighted Weighted Type Latitude Carrington Longit.
4A 6 10 C -25 124
7 1 2 B 0 125
2 7 12