Sunspot drawing of 1999-3-12

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https://doi.org/10.7891/e-manuscripta-150313



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1999-03-12
09:00
Hs 1304.6:5568
https://doi.org/10.7891/e-manuscripta-150313
Observer : Sergio Cortesi
Seeing (SIDC) : 4
Group Not Weighted Weighted Type Latitude Carrington Longit.
52 5 10 C -29 1
53 4 6 C -20 16
58 29 40 E 22 276
59 16 15 C -23 261
60 16 15 B 16 239
61 4 3 A -27 300
6 74 89