Sunspot drawing of 1998-3-20

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https://doi.org/10.7891/e-manuscripta-149936



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1998-03-20
08:15
Hs 1304.6:5264
https://doi.org/10.7891/e-manuscripta-149936
Observer : Sergio Cortesi
Seeing (SIDC) : 2
Group Not Weighted Weighted Type Latitude Carrington Longit.
50 2 5 C -18 19
51 15 40 E -22 30
54 9 15 C 22 293
55 2 4 A -25 44
4 28 64