Sunspot drawing of 2013-4-23

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https://doi.org/10.7891/e-manuscripta-157778



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2013-04-23
07:45
Hs 1304.6:9845
https://doi.org/10.7891/e-manuscripta-157778
Observer : Sergio Cortesi
Seeing (SIDC) : 4
Group Not Weighted Weighted Type Latitude Carrington Longit.
96 1 1 A -18.0 4.0
97 2 2 A -23.7 360.0
99 22 31 E 12.1 325.6
100 5 6 C 24.7 274.2
101 2 2 A -13.8 286.0
102 2 3 J 19.7 214.6
6 34 45