Sunspot drawing of 1983-5-31

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https://doi.org/10.7891/e-manuscripta-140397



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1983-05-31
07:00
Hs 1304.6:707
https://doi.org/10.7891/e-manuscripta-140397
Observer : Sergio Cortesi
Seeing (SIDC) : 4
Group Not Weighted Weighted Type Latitude Carrington Longit.
133 21 26 D -18 119
138 6 8 C -10 40
140 19 30 D -10 355
141 3 2 A -10 60
4 49 66