Sunspot drawing of 1972-2-27

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https://doi.org/10.7891/e-manuscripta-97055



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1972-02-27
10:00
Hs 1304.5:4689
https://doi.org/10.7891/e-manuscripta-97055
Observer : Sergio Cortesi
Seeing (SIDC) : 3
Group Not Weighted Weighted Type Latitude Carrington Longit.
50 5 B 12.0 16.5
51 11 D 6.9 26.9
55 15 C -16.7 344.3
63 3 A 10.4 5.7
64 10 C -8.5 257.3
65 4 A -4.6 250.9
6 48