Sunspot drawing of 1984-2-17

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https://doi.org/10.7891/e-manuscripta-140931



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1984-02-17
08:45
Hs 1304.6:938
https://doi.org/10.7891/e-manuscripta-140931
Observer : Sergio Cortesi
Seeing (SIDC) : 4
Group Not Weighted Weighted Type Latitude Carrington Longit.
27 9 17 C -14 262
30 2 2 A -5 186
31 3 3 A 7 168
33 3 2 B -17 253
34 3 2 B -18 151
35 7 20 D 14 116
6 27 46