Sunspot drawing of 1973-2-11

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https://doi.org/10.7891/e-manuscripta-97529



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1973-02-11
08:30
Hs 1304.5:4980
https://doi.org/10.7891/e-manuscripta-97529
Observer : Sergio Cortesi
Seeing (SIDC) : 2
Group Not Weighted Weighted Type Latitude Carrington Longit.
38 4 7 J 10.8 16.1
39 9 9 J 6.6 13.0
41 10 12 B 11.9 29.4
42 6 6 B 13.0 3.7
45 1 2 A -4.3 334.3
46 3 6 J -16.8 309.5
6 33 42