Sunspot drawing of 2012-9-28

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https://doi.org/10.7891/e-manuscripta-157107



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2012-09-28
07:45
Hs 1304.6:9699
https://doi.org/10.7891/e-manuscripta-157107
Observer : Sergio Cortesi
Seeing (SIDC) : 3
Group Not Weighted Weighted Type Latitude Carrington Longit.
247 2 5 J 7.3 185.8
248 1 1 A -19.3 169.6
253 3 3 B 8.3 167.3
256 4 6 C -10.3 106.4
257 1 2 A 16.3 93.4
258 1 4 J -12.3 84.7
259 3 5 C 12.4 187.5
7 15 26