Sunspot drawing of 1971-9-8

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https://doi.org/10.7891/e-manuscripta-96733



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1971-09-08
09:15
Hs 1304.5:4566
https://doi.org/10.7891/e-manuscripta-96733
Observer : Sergio Cortesi
Seeing (SIDC) : 3
Group Not Weighted Weighted Type Latitude Carrington Longit.
259A 27 18 C -7.3 124.3
260 6 4 B 16.9 96.7
261 4 2 B 18.9 82.3
262 4 2 A 2.5 50.3
263 24 13 D 2.0 129.4
265 1 1 A -5.9 110.0
6 66 40