Sunspot drawing of 1993-3-31

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https://doi.org/10.7891/e-manuscripta-147493



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1993-03-31
07:00
Hs 1304.6:3732
https://doi.org/10.7891/e-manuscripta-147493
Observer : Sergio Cortesi
Seeing (SIDC) : 4
Group Not Weighted Weighted Type Latitude Carrington Longit.
91 28 29 D 5 156
94 15 17 C -12 137
96 7 13 C -6 105
98 2 2 B -22 151
4 52 61