Sunspot drawing of 2016-9-20

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https://doi.org/10.7891/e-manuscripta-159194



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2016-09-20
07:30
Hs 1304.6:10759
https://doi.org/10.7891/e-manuscripta-159194
Observer : Marco Cagnotti
Seeing (SIDC) : 3
Group Not Weighted Weighted Type Latitude Carrington Longit.
176 4 3 A 14.4 25.1
177 10 14 C 11.2 100.2
178 7 12 C 6.7 45.1
180 1 1 A 5.4 31.0
4 22 30