Sunspot drawing of 1999-3-13

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https://doi.org/10.7891/e-manuscripta-150476



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1999-03-13
08:30
Hs 1304.6:5569
https://doi.org/10.7891/e-manuscripta-150476
Observer : Sergio Cortesi
Seeing (SIDC) : 4
Group Not Weighted Weighted Type Latitude Carrington Longit.
52 2 5 H -29 360
58 47 40 E 22 277
59 11 12 C -23 261
60 16 18 D 15 241
4 76 75