Sunspot drawing of 1984-7-23

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https://doi.org/10.7891/e-manuscripta-140982



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1984-07-23
08:00
Hs 1304.6:1073
https://doi.org/10.7891/e-manuscripta-140982
Observer : Sergio Cortesi
Seeing (SIDC) : 4
Group Not Weighted Weighted Type Latitude Carrington Longit.
174 8 11 C -7 314
175 3 2 A 18 281
176 2 4 J -17 218
177 2 2 A 1 210
4 15 19