Sunspot drawing of 1973-2-10

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https://doi.org/10.7891/e-manuscripta-97476



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1973-02-10
15:30
Hs 1304.5:4979
https://doi.org/10.7891/e-manuscripta-97476
Observer : Araldo Pittini
Seeing (SIDC) : 1
Group Not Weighted Weighted Type Latitude Carrington Longit.
38 5 J 10.2 16.0
39 5 J 6.3 13.3
41 5 B 12.1 29.6
46 3 J -16.5 306.8
4 18