Sunspot drawing of 1973-1-11

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https://doi.org/10.7891/e-manuscripta-97339



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1973-01-11
09:00
Hs 1304.5:4955
https://doi.org/10.7891/e-manuscripta-97339
Observer : Sergio Cortesi
Seeing (SIDC) : 2
Group Not Weighted Weighted Type Latitude Carrington Longit.
4 3 8 J 9.1 146.4
5 19 20 G 13.0 113.5
10 8 5 B -18.7 60.1
11 1 3 A 12.2 33.1
13 9 5 B -16.0 17.1
5 40 41