Sunspot drawing of 1983-6-15

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https://doi.org/10.7891/e-manuscripta-140349



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1983-06-15
07:15
Hs 1304.6:721
https://doi.org/10.7891/e-manuscripta-140349
Observer : Sergio Cortesi
Seeing (SIDC) : 3
Group Not Weighted Weighted Type Latitude Carrington Longit.
143 11 17 C -9 274
144 2 5 J -11 249
145 1 3 J -27 181
146 3 4 B 11 230
147 14 12 B -7 172
148 7 12 C 18 160
149 5 9 C 13 158
150 3 6 B -13 153
8 46 68