Sunspot drawing of 1971-2-5

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https://doi.org/10.7891/e-manuscripta-96937



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1971-02-05
08:45
Hs 1304.5:4370
https://doi.org/10.7891/e-manuscripta-96937
Observer : Sergio Cortesi
Seeing (SIDC) : 2
Group Not Weighted Weighted Type Latitude Carrington Longit.
28 1 3 J -11.3 103.9
30 44 37 E 5.3 68.1
38 4 6 J -7.4 14.4
39 5 3 B 23.5 49.3
4 54 49