Sunspot drawing of 2011-4-14

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https://doi.org/10.7891/e-manuscripta-156767



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2011-04-14
12:00
Hs 1304.6:9274
https://doi.org/10.7891/e-manuscripta-156767
Observer : Sergio Cortesi
Seeing (SIDC) : 3
Group Not Weighted Weighted Type Latitude Carrington Longit.
50 3 5 C 21.2 14.6
51 1 2 A 15.5 31.1
54 27 29 D 12.7 338.3
55 2 3 B 10.3 353.0
56 2 5 C 7.9 279.6
57 1 1 A -31.9 7.8
58 13 20 D 15.8 266.4
7 49 65