Sunspot drawing of 2013-9-1

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https://doi.org/10.7891/e-manuscripta-157737



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2013-09-01
10:15
Hs 1304.6:9951
https://doi.org/10.7891/e-manuscripta-157737
Observer : Andrea Manna
Seeing (SIDC) : 3
Group Not Weighted Weighted Type Latitude Carrington Longit.
252 6 9 D -9.7 11.2
253 25 19 D 12.1 20.4
254 2 6 J 10.7 342.3
257 5 9 D 11.2 332.8
4 38 43