Sunspot drawing of 2015-5-20

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https://doi.org/10.7891/e-manuscripta-158770



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2015-05-20
10:30
Hs 1304.6:10365
https://doi.org/10.7891/e-manuscripta-158770
Observer : Sergio Cortesi
Seeing (SIDC) : 2
Group Not Weighted Weighted Type Latitude Carrington Longit.
118 1 3 J 18.4 95.2
120 1 1 A -9.6 70.6
127 2 4 J -10.8 22.8
131 3 3 B 22.1 332.1
132 2 2 B -7.0 58.8
5 9 13