Sunspot drawing of 2013-8-17

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https://doi.org/10.7891/e-manuscripta-157885



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2013-08-17
08:15
Hs 1304.6:9937
https://doi.org/10.7891/e-manuscripta-157885
Observer : Sergio Cortesi
Seeing (SIDC) : 3
Group Not Weighted Weighted Type Latitude Carrington Longit.
228 5 8 C -21.8 240.8
229 11 13 C -7.1 216.1
233 1 1 A -16.8 181.3
234 2 2 A -12.3 172.6
235 3 3 B -7.8 153.8
237 1 3 J -6.8 139.9
238 1 1 A 16.2 178.7
7 24 31