Sunspot drawing of 2017-4-29

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https://doi.org/10.7891/e-manuscripta-159599



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2017-04-29
10:00
Hs 1304.6:10917
https://doi.org/10.7891/e-manuscripta-159599
Observer : Marco Cagnotti
Seeing (SIDC) : 4
Group Not Weighted Weighted Type Latitude Carrington Longit.
33 2 5 C 11.2 69.6
35 1 3 J -8.8 26.6
36 1 1 A 10.2 316.2
3 4 9