Sunspot drawing of 1990-4-12

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https://doi.org/10.7891/e-manuscripta-145388



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1990-04-12
06:45
Hs 1304.6:2813
https://doi.org/10.7891/e-manuscripta-145388
Observer : Sergio Cortesi
Seeing (SIDC) : 3
Group Not Weighted Weighted Type Latitude Carrington Longit.
191 3 2 B 21 95
193 7 12 B -41 79
194 1 3 J 14 85
195 1 3 J 31 76
200 12 20 D 22 63
201 2 2 A 5 66
202 1 3 J -31 12
203 2 3 A -8 19
204 1 3 J -14 351
9 30 51