Sunspot drawing of 1973-4-14

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https://doi.org/10.7891/e-manuscripta-97452



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1973-04-14
07:15
Hs 1304.5:5039
https://doi.org/10.7891/e-manuscripta-97452
Observer : Sergio Cortesi
Seeing (SIDC) : 2
Group Not Weighted Weighted Type Latitude Carrington Longit.
88 31 D -8.1 324.2
91 2 A -18.0 257.9
2 33