Sunspot drawing of 1973-2-16

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https://doi.org/10.7891/e-manuscripta-97312



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1973-02-16
08:15
Hs 1304.5:4984
https://doi.org/10.7891/e-manuscripta-97312
Observer : Sergio Cortesi
Seeing (SIDC) : 3
Group Not Weighted Weighted Type Latitude Carrington Longit.
38 4 J 11.7 16.9
39 2 A 6.6 14.8
45 1 A -4.2 334.5
46 12 D -16.0 307.1
51 9 B -9.3 286.8
52 3 J 16.7 28.9
6 31