Sunspot drawing of 1983-9-15

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https://doi.org/10.7891/e-manuscripta-140504



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1983-09-15
08:00
Hs 1304.6:806
https://doi.org/10.7891/e-manuscripta-140504
Observer : Sergio Cortesi
Seeing (SIDC) : 4
Group Not Weighted Weighted Type Latitude Carrington Longit.
239 3 4 B -8 144
252 22 18 D -13 62
254 3 2 B -22 135
255 1 1 A -2 105
256 2 1 A -19 71
5 31 26