Sunspot drawing of 1987-11-30

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https://doi.org/10.7891/e-manuscripta-143009



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1987-11-30
08:30
Hs 1304.6:2069
https://doi.org/10.7891/e-manuscripta-143009
Observer : Sergio Cortesi
Seeing (SIDC) : 4
Group Not Weighted Weighted Type Latitude Carrington Longit.
138 3 4 B -22 318
139 4 5 B 23 317
140 1 1 A 30 261
3 8 10