Sunspot drawing of 1972-2-23

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https://doi.org/10.7891/e-manuscripta-97039



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1972-02-23
08:15
Hs 1304.5:4686
https://doi.org/10.7891/e-manuscripta-97039
Observer : Sergio Cortesi
Seeing (SIDC) : 3
Group Not Weighted Weighted Type Latitude Carrington Longit.
39 3 J -18.7 96.4
46 7 A -6.6 61.6
48 17 C -15.3 40.1
50 30 E 11.6 17.0
51 28 D 6.6 25.0
55 28 E -17.8 344.4
56 2 A -12.2 321.7
57 6 C 4.6 89.0
58 1 A 13.4 32.9
60 1 A 6.2 318.6
10 123