Sunspot drawing of 1990-4-15

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https://doi.org/10.7891/e-manuscripta-145239



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1990-04-15
16:15
Hs 1304.6:2815
https://doi.org/10.7891/e-manuscripta-145239
Observer : Michele Bianda
Seeing (SIDC) : 4
Group Not Weighted Weighted Type Latitude Carrington Longit.
195 2 4 J 31 74
200 2 5 D 22 36
202 7 7 B -37 8
202A 12 18 C -31 9
203 11 9 B -8 20
204 9 20 D -13 335
205 2 6 C 17 55
206 21 41 E 31 346
207 3 2 B -16 339
208 2 2 B 10 32
209 1 1 A 14 5
210 3 2 B -7 350
211 10 12 C -14 349
13 85 129