Sunspot drawing of 1990-5-13

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https://doi.org/10.7891/e-manuscripta-145278



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1990-05-13
08:15
Hs 1304.6:2841
https://doi.org/10.7891/e-manuscripta-145278
Observer : Sergio Cortesi
Seeing (SIDC) : 3
Group Not Weighted Weighted Type Latitude Carrington Longit.
249 5 13 C 17 77
251 6 5 B -12 81
253 1 1 A -12 99
255 4 5 A -18 32
258 16 13 B 12 18
261 3 5 C 22 352
262 2 2 A 19 40
263 3 3 A 29 338
264 1 1 A -18 20
265 18 40 E 34 323
266 3 2 A -8 26
267 2 2 A -7 355
268 3 5 C -17 311
269 4 8 D -14 309
14 71 105