Sunspot drawing of 2011-4-15

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https://doi.org/10.7891/e-manuscripta-156900



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2011-04-15
07:30
Hs 1304.6:9275
https://doi.org/10.7891/e-manuscripta-156900
Observer : Marco Cagnotti
Seeing (SIDC) : 4
Group Not Weighted Weighted Type Latitude Carrington Longit.
50 1 5 C 20.3 15.7
51 1 2 A 15.8 29.9
54 39 43 D 12.0 338.1
55 2 3 A 9.9 355.4
56 5 8 C 8.2 280.0
57 2 5 C -31.3 6.8
58 18 28 E 15.7 266.5
59 1 1 A 16.0 347.8
8 69 95