Sunspot drawing of 2011-4-9

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https://doi.org/10.7891/e-manuscripta-156696



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2011-04-09
07:30
Hs 1304.6:9269
https://doi.org/10.7891/e-manuscripta-156696
Observer : Sergio Cortesi
Seeing (SIDC) : 3
Group Not Weighted Weighted Type Latitude Carrington Longit.
47 2 3 J 14.1 113.9
49 3 5 C 21.3 32.9
50 6 8 C 21.9 11.4
51 6 5 B 17.3 25.7
52 6 5 B -18.9 353.5
5 23 26