Sunspot drawing of 1998-4-1

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https://doi.org/10.7891/e-manuscripta-150069



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1998-04-01
07:45
Hs 1304.6:5276
https://doi.org/10.7891/e-manuscripta-150069
Observer : Sergio Cortesi
Seeing (SIDC) : 4
Group Not Weighted Weighted Type Latitude Carrington Longit.
57 9 22 E -24 227
59 7 12 D -20 134
60 23 24 D -22 143
3 39 58