Sunspot drawing of 1972-9-19

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https://doi.org/10.7891/e-manuscripta-97000



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1972-09-19
14:00
Hs 1304.5:4868
https://doi.org/10.7891/e-manuscripta-97000
Observer : Sergio Cortesi
Seeing (SIDC) : 3
Group Not Weighted Weighted Type Latitude Carrington Longit.
310 5 B -9.1 163.9
311 3 A 6.8 151.6
314 4 J -15.5 80.0
316 3 J -6.3 38.7
4 15