Sunspot drawing of 1992-4-20

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https://doi.org/10.7891/e-manuscripta-146797



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1992-04-20
07:30
Hs 1304.6:3441
https://doi.org/10.7891/e-manuscripta-146797
Observer : Sergio Cortesi
Seeing (SIDC) : 3
Group Not Weighted Weighted Type Latitude Carrington Longit.
155 1 4 J -15 109
159 1 3 J 7 99
161 29 35 E -27 44
163 14 20 D -19 85
166 3 2 A 19 10
167 34 38 D -16 6
168 14 20 D -19 347
169 12 20 C 10 342
170 5 6 C -17 339
171 1 3 J -10 334
10 114 151