Sunspot drawing of 2011-4-20

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https://doi.org/10.7891/e-manuscripta-156821



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2011-04-20
08:30
Hs 1304.6:9280
https://doi.org/10.7891/e-manuscripta-156821
Observer : Marco Cagnotti
Seeing (SIDC) : 4
Group Not Weighted Weighted Type Latitude Carrington Longit.
56 3 5 C 7.0 279.8
58 29 31 E 16.3 265.9
61 10 13 C -17.5 189.4
62 2 2 A 11.2 241.7
63 1 2 A -17.0 173.2
5 45 53