Sunspot drawing of 1997-9-22

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https://doi.org/10.7891/e-manuscripta-149585



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1997-09-22
08:00
Hs 1304.6:5113
https://doi.org/10.7891/e-manuscripta-149585
Observer : Sergio Cortesi
Seeing (SIDC) : 4
Group Not Weighted Weighted Type Latitude Carrington Longit.
81 2 6 J 26 229
82 3 5 J -22 105
84 15 16 C -28 124
3 20 27