Sunspot drawing of 1974-1-10

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https://doi.org/10.7891/e-manuscripta-97671



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1974-01-10
10:30
Hs 1304.5:5273
https://doi.org/10.7891/e-manuscripta-97671
Observer : Sergio Cortesi
Seeing (SIDC) : 3
Group Not Weighted Weighted Type Latitude Carrington Longit.
2 16 B 5.9 309.9
3 5 J -10.6 248.1
4 3 A 10.4 250.4
5 4 J -15.1 217.9
4 28