Sunspot drawing of 1983-8-18

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https://doi.org/10.7891/e-manuscripta-140280



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1983-08-18
07:15
Hs 1304.6:782
https://doi.org/10.7891/e-manuscripta-140280
Observer : Sergio Cortesi
Seeing (SIDC) : 4
Group Not Weighted Weighted Type Latitude Carrington Longit.
206 3 9 G -3 153
207 9 12 C -9 161
208 8 12 B 7 108
209 2 2 A -4 110
210 2 2 A -20 106
211 1 3 J 19 88
214 11 9 B 20 81
215 4 2 A -11 104
216 1 3 J 14 17
9 41 54