Sunspot drawing of 1973-1-8

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https://doi.org/10.7891/e-manuscripta-97573



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1973-01-08
08:30
Hs 1304.5:4952
https://doi.org/10.7891/e-manuscripta-97573
Observer : Sergio Cortesi
Seeing (SIDC) : 3
Group Not Weighted Weighted Type Latitude Carrington Longit.
4 13 C 7.1 143.2
5 30 E 12.4 114.0
7 2 A -11.2 179.4
10 4 J -18.6 62.8
11 3 J 13.1 30.8
5 52