Sunspot drawing of 1971-9-22

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https://doi.org/10.7891/e-manuscripta-96908



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1971-09-22
07:30
Hs 1304.5:4579
https://doi.org/10.7891/e-manuscripta-96908
Observer : Sergio Cortesi
Seeing (SIDC) : 4
Group Not Weighted Weighted Type Latitude Carrington Longit.
269 14 D 12.1 294.4
270 4 J 4.5 280.6
271 6 B -11.7 280.4
274 3 A -5.8 229.5
276 3 B 12.0 311.7
277 1 A 11.3 190.3
278 5 C -15.2 188.3
7 36