Sunspot drawing of 2012-7-20

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https://doi.org/10.7891/e-manuscripta-157236



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2012-07-20
08:15
Hs 1304.6:9642
https://doi.org/10.7891/e-manuscripta-157236
Observer : Sergio Cortesi
Seeing (SIDC) : 3
Group Not Weighted Weighted Type Latitude Carrington Longit.
183 3 5 C -28.9 48.0
185 3 5 C -20.2 320.8
186 1 2 A -21.5 264.4
3 7 12