Sunspot drawing of 1987-6-22

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https://doi.org/10.7891/e-manuscripta-142798



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1987-06-22
07:15
Hs 1304.6:1935
https://doi.org/10.7891/e-manuscripta-142798
Observer : Sergio Cortesi
Seeing (SIDC) : 4
Group Not Weighted Weighted Type Latitude Carrington Longit.
57 1 1 A 31 323
58 3 7 J -31 256
59 21 36 D 19 261
3 25 44