Sunspot drawing of 1983-6-1

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https://doi.org/10.7891/e-manuscripta-140398



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1983-06-01
07:00
Hs 1304.6:708
https://doi.org/10.7891/e-manuscripta-140398
Observer : Sergio Cortesi
Seeing (SIDC) : 4
Group Not Weighted Weighted Type Latitude Carrington Longit.
133 9 21 D -19 119
138 8 9 C -11 39
140 25 35 D -10 356
141 5 3 B -11 57
4 47 68