Sunspot drawing of 1976-4-27

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https://doi.org/10.7891/e-manuscripta-98427



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1976-04-27
06:30
Hs 1304.5:5973
https://doi.org/10.7891/e-manuscripta-98427
Observer : Sergio Cortesi
Seeing (SIDC) : 3
Group Not Weighted Weighted Type Latitude Carrington Longit.
21 8 J -10.6 40.3
22 12 C 2.5 358.4
2 20