Sunspot drawing of 1991-4-28

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https://doi.org/10.7891/e-manuscripta-145999



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1991-04-28
10:15
Hs 1304.6:3140
https://doi.org/10.7891/e-manuscripta-145999
Observer : Andrea Manna
Seeing (SIDC) : 3
Group Not Weighted Weighted Type Latitude Carrington Longit.
212 15 14 C -30 141
213 1 1 A -22 65
215 1 3 J 8 42
216 1 3 J -21 26
217 3 4 C -40 67
218 3 3 J -13 33
219 16 16 D 9 32
220 1 3 J -5 16
221 12 13 C -28 86
222 3 4 B -17 50
224 4 3 B -15 64
11 60 67