Sunspot drawing of 2002-4-19

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https://doi.org/10.7891/e-manuscripta-151911



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2002-04-19
07:15
Hs 1304.6:6504
https://doi.org/10.7891/e-manuscripta-151911
Observer : Sergio Cortesi
Seeing (SIDC) : 3
Group Not Weighted Weighted Type Latitude Carrington Longit.
163 1 3 J 10.2 166.3
165 31 30 D -15.8 149.4
166 3 6 C -4.3 118.6
167 2 4 C 6.8 83.4
169 17 18 D -20.3 89.0
171 4 6 C -12.6 74.2
172 9 9 C 9.4 69.3
173 1 1 A -14.3 63.5
8 68 77