Sunspot drawing of 1980-4-21

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https://doi.org/10.7891/e-manuscripta-99842



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1980-04-21
07:45
Hs 1304.5:7170
https://doi.org/10.7891/e-manuscripta-99842
Observer : Sergio Cortesi
Seeing (SIDC) : 3
Group Not Weighted Weighted Type Latitude Carrington Longit.
196A 3 J -32.2 3.9
205 8 D 11.7 342.5
210 5 C -26.8 339.9
211 25 E -18.5 265.6
213 49 E -13.0 239.9
215 16 D 22.2 239.5
216 3 J 9.1 232.7
217 1 A 5.7 304.3
218 8 C -26.6 256.6
219 11 C 13.6 223.3
220 1 A 23.2 249.3
11 130