Sunspot drawing of 1971-2-27

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https://doi.org/10.7891/e-manuscripta-96742



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1971-02-27
08:45
Hs 1304.5:4390
https://doi.org/10.7891/e-manuscripta-96742
Observer : Araldo Pittini
Seeing (SIDC) : 2
Group Not Weighted Weighted Type Latitude Carrington Longit.
56 11 C -17.1 139.7
57 12 H -8.4 125.7
60 3 J -9.8 107.3
62 14 D 6.8 73.0
67 3 J 24.4 48.1
69 6 C 7.8 33.2
6 49