Sunspot drawing of 1992-4-13

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https://doi.org/10.7891/e-manuscripta-146730



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1992-04-13
14:00
Hs 1304.6:3435
https://doi.org/10.7891/e-manuscripta-146730
Observer : Sergio Cortesi
Seeing (SIDC) : 3
Group Not Weighted Weighted Type Latitude Carrington Longit.
149 2 4 J -8 208
151 3 2 B -4 201
152 5 5 C -15 148
155 23 24 C -14 108
158 1 1 A -22 86
159 20 18 D 7 93
161 2 2 A -26 54
7 56 56