Sunspot drawing of 1999-4-22

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https://doi.org/10.7891/e-manuscripta-150438



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1999-04-22
08:15
Hs 1304.6:5603
https://doi.org/10.7891/e-manuscripta-150438
Observer : Sergio Cortesi
Seeing (SIDC) : 3
Group Not Weighted Weighted Type Latitude Carrington Longit.
94 6 7 C -20 145
97 18 20 D -15 107
99 8 10 C 33 155
3 32 37