Sunspot drawing of 1974-3-15

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https://doi.org/10.7891/e-manuscripta-97753



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1974-03-15
10:15
Hs 1304.5:5316
https://doi.org/10.7891/e-manuscripta-97753
Observer : Sergio Cortesi
Seeing (SIDC) : 3
Group Not Weighted Weighted Type Latitude Carrington Longit.
27 3 J 0.4 245.0
28 4 A -16.5 158.0
30 1 B -20.3 150.4
31 2 A -13.9 166.7
32 2 A -2.7 120.2
5 12