Sunspot drawing of 1993-10-18

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https://doi.org/10.7891/e-manuscripta-147524



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1993-10-18
10:00
Hs 1304.6:3900
https://doi.org/10.7891/e-manuscripta-147524
Observer : Sergio Cortesi
Seeing (SIDC) : 3
Group Not Weighted Weighted Type Latitude Carrington Longit.
249 2 5 C -20 81
251 2 2 A 15 41
252 5 6 B 7 70
253 4 8 C -8 348
4 13 21