Sunspot drawing of 1993-8-21

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https://doi.org/10.7891/e-manuscripta-147536



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1993-08-21
07:00
Hs 1304.6:3860
https://doi.org/10.7891/e-manuscripta-147536
Observer : Sergio Cortesi
Seeing (SIDC) : 4
Group Not Weighted Weighted Type Latitude Carrington Longit.
222 1 3 J -10 103
223 5 7 C -8 45
225 6 9 C 10 9
3 12 19