Sunspot drawing of 1983-10-1

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https://doi.org/10.7891/e-manuscripta-140482



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1983-10-01
08:15
Hs 1304.6:821
https://doi.org/10.7891/e-manuscripta-140482
Observer : Sergio Cortesi
Seeing (SIDC) : 4
Group Not Weighted Weighted Type Latitude Carrington Longit.
261 26 40 D -19 267
267 1 1 A -14 235
2 27 41