Sunspot drawing of 1998-2-7

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https://doi.org/10.7891/e-manuscripta-150077



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1998-02-07
08:30
Hs 1304.6:5224
https://doi.org/10.7891/e-manuscripta-150077
Observer : Sergio Cortesi
Seeing (SIDC) : 4
Group Not Weighted Weighted Type Latitude Carrington Longit.
19 1 2 A 25 226
20 2 4 J -24 120
21 9 11 C -19 214
3 12 17