Sunspot drawing of 1983-9-13

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https://doi.org/10.7891/e-manuscripta-140519



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1983-09-13
07:45
Hs 1304.6:804
https://doi.org/10.7891/e-manuscripta-140519
Observer : Sergio Cortesi
Seeing (SIDC) : 3
Group Not Weighted Weighted Type Latitude Carrington Longit.
239 7 5 B -8 146
242 3 3 B -22 135
251 1 1 A -2 88
252 6 5 B -13 62
4 17 14