Sunspot drawing of 1987-5-22

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https://doi.org/10.7891/e-manuscripta-142836



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1987-05-22
07:30
Hs 1304.6:1909
https://doi.org/10.7891/e-manuscripta-142836
Observer : Sergio Cortesi
Seeing (SIDC) : 3
Group Not Weighted Weighted Type Latitude Carrington Longit.
46 1 1 A -20 343
47 47 61 D 28 339
48 6 3 B 34 335
3 54 65