Sunspot drawing of 2017-1-23

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https://doi.org/10.7891/e-manuscripta-159382



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2017-01-23
09:00
Hs 1304.6:10847
https://doi.org/10.7891/e-manuscripta-159382
Observer : Marco Cagnotti
Seeing (SIDC) : 4
Group Not Weighted Weighted Type Latitude Carrington Longit.
3 2 2 A 7.2 242.2
6 11 11 C 4.6 191.0
7 6 12 D 11.0 174.2
8 1 1 A 9.1 188.3
4 20 26