Sunspot drawing of 1991-4-27

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https://doi.org/10.7891/e-manuscripta-146005



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1991-04-27
08:00
Hs 1304.6:3139
https://doi.org/10.7891/e-manuscripta-146005
Observer : Sergio Cortesi
Seeing (SIDC) : 3
Group Not Weighted Weighted Type Latitude Carrington Longit.
212 15 14 B -30 142
213 7 5 B -23 63
214 3 2 B 8 119
215 2 4 J 9 41
216 1 3 J -21 26
217 5 4 B -41 64
218 1 2 A -13 30
219 9 10 B 8 32
220 1 3 J -5 13
9 44 47