Sunspot drawing of 1988-4-26

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https://doi.org/10.7891/e-manuscripta-143679



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1988-04-26
07:15
Hs 1304.6:2188
https://doi.org/10.7891/e-manuscripta-143679
Observer : Sergio Cortesi
Seeing (SIDC) : 4
Group Not Weighted Weighted Type Latitude Carrington Longit.
86 4 3 A -24 155
87 1 3 J -19 133
88 20 27 D -20 109
90 1 1 A -17 147
4 26 34