Sunspot drawing of 1971-3-25

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https://doi.org/10.7891/e-manuscripta-96825



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1971-03-25
09:00
Hs 1304.5:4412
https://doi.org/10.7891/e-manuscripta-96825
Observer : Sergio Cortesi
Seeing (SIDC) : 4
Group Not Weighted Weighted Type Latitude Carrington Longit.
96 3 J -8.6 126.4
98 13 C -14.7 64.3
99 1 A -21.3 139.0
101 3 J 25.8 39.6
102 7 D -18.2 30.0
5 27