Sunspot drawing of 1980-1-20

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https://doi.org/10.7891/e-manuscripta-99729



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1980-01-20
15:15
Hs 1304.5:7093
https://doi.org/10.7891/e-manuscripta-99729
Observer : Sergio Cortesi
Seeing (SIDC) : 2
Group Not Weighted Weighted Type Latitude Carrington Longit.
30 12 D -17.7 113.8
33 5 C 29.4 98.7
38 30 E -14.0 63.6
45 4 J -12.4 29.3
46 28 E 12.4 39.7
48 18 D 13.6 11.5
50 3 A -6.0 339.3
7 100