Sunspot drawing of 1990-4-13

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https://doi.org/10.7891/e-manuscripta-145219



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1990-04-13
07:30
Hs 1304.6:2814
https://doi.org/10.7891/e-manuscripta-145219
Observer : Sergio Cortesi
Seeing (SIDC) : 4
Group Not Weighted Weighted Type Latitude Carrington Longit.
193 4 3 B -40 80
194 1 2 A 14 84
195 2 3 J 31 75
200 18 18 D 22 62
202 16 15 B -33 11
203 7 6 B -8 20
204 9 20 E -14 344
205 8 12 C 18 55
206 12 38 E 32 347
207 3 5 C -17 337
10 80 122