Sunspot drawing of 1990-5-11

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https://doi.org/10.7891/e-manuscripta-145387



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1990-05-11
08:00
Hs 1304.6:2839
https://doi.org/10.7891/e-manuscripta-145387
Observer : Sergio Cortesi
Seeing (SIDC) : 3
Group Not Weighted Weighted Type Latitude Carrington Longit.
244 1 3 J -19 115
249 13 25 C 17 81
251 7 5 B -12 76
253 6 10 C -12 94
255 17 15 C -18 33
258 1 3 J 13 17
261 2 7 G 23 352
262 6 10 C 18 43
263 1 3 J 31 338
9 54 81