Sunspot drawing of 1980-5-20

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https://doi.org/10.7891/e-manuscripta-99744



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1980-05-20
07:30
Hs 1304.5:7193
https://doi.org/10.7891/e-manuscripta-99744
Observer : Sergio Cortesi
Seeing (SIDC) : 3
Group Not Weighted Weighted Type Latitude Carrington Longit.
265 3 J -20.7 331.6
268 6 D -21.3 311.0
270 24 C -8.0 289.8
274 22 D 15.0 265.9
275 56 E -13.3 249.2
276 11 C -30.1 228.6
277 3 A 8.5 237.2
279 8 C 24.1 214.3
280 34 D 15.0 215.9
281 12 C -21.0 200.4
282 8 C -24.9 201.2
284 2 B -34.8 217.7
285 18 D -8.2 189.9
286 4 B -14.0 241.0
287 16 E -12.9 177.7
288 15 H -20.8 177.4
16 242