Sunspot drawing of 2012-8-21

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https://doi.org/10.7891/e-manuscripta-157175



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2012-08-21
06:45
Hs 1304.6:9672
https://doi.org/10.7891/e-manuscripta-157175
Observer : Marco Cagnotti
Seeing (SIDC) : 3
Group Not Weighted Weighted Type Latitude Carrington Longit.
214 1 3 J 15.4 261.7
215 2 1 A 5.0 296.4
216 2 4 B -12.9 351.9
218 10 10 B 11.7 281.4
219 4 7 C 18.8 233.8
220 1 3 J -18.3 209.4
6 20 28