Sunspot drawing of 1987-8-11

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https://doi.org/10.7891/e-manuscripta-142980



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1987-08-11
07:45
Hs 1304.6:1983
https://doi.org/10.7891/e-manuscripta-142980
Observer : Sergio Cortesi
Seeing (SIDC) : 4
Group Not Weighted Weighted Type Latitude Carrington Longit.
78 15 21 D -23 45
79 2 3 A 6 56
80 12 19 D -27 283
81 4 5 B 22 303
4 33 48