Sunspot drawing of 2013-8-18

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https://doi.org/10.7891/e-manuscripta-157887



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2013-08-18
10:30
Hs 1304.6:9938
https://doi.org/10.7891/e-manuscripta-157887
Observer : Andrea Manna
Seeing (SIDC) : 3
Group Not Weighted Weighted Type Latitude Carrington Longit.
228 4 5 J -20.4 244.7
229 3 7 C -5.9 216.5
233 1 1 A -15.0 183.5
234 3 3 A -12.4 172.1
237 3 5 J -7.5 140.6
238 3 4 B 15.1 181.7
239 6 10 D -14.0 194.6
240 1 3 J 7.8 149.9
241 2 4 J -17.4 103.4
9 26 42