Sunspot drawing of 2016-4-5

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https://doi.org/10.7891/e-manuscripta-159133



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2016-04-05
09:15
Hs 1304.6:10617
https://doi.org/10.7891/e-manuscripta-159133
Observer : Sergio Cortesi
Seeing (SIDC) : 3
Group Not Weighted Weighted Type Latitude Carrington Longit.
79 1 3 J -4.5 173.8
81 1 1 A 13.1 133.2
82 6 6 B 5.8 110.8
83 1 1 A 15.7 78.1
4 9 11