Sunspot drawing of 1983-6-3

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https://doi.org/10.7891/e-manuscripta-140296



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1983-06-03
08:00
Hs 1304.6:710
https://doi.org/10.7891/e-manuscripta-140296
Observer : Sergio Cortesi
Seeing (SIDC) : 4
Group Not Weighted Weighted Type Latitude Carrington Longit.
138 6 6 C -10 37
140 76 56 E -9 353
141 6 8 C -11 54
142 1 1 A -18 350
4 89 71