Sunspot drawing of 1983-7-4

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https://doi.org/10.7891/e-manuscripta-140438



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1983-07-04
06:30
Hs 1304.6:738
https://doi.org/10.7891/e-manuscripta-140438
Observer : Sergio Cortesi
Seeing (SIDC) : 4
Group Not Weighted Weighted Type Latitude Carrington Longit.
165 3 4 J -8 3
166 10 10 B -8 350
167 5 8 C -18 340
169A 17 17 B -12 262
170 36 40 E -20 281
171 4 3 B -11 10
172 7 5 B -11 273
173 1 1 A 12 254
8 83 88