Sunspot drawing of 1997-10-19

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https://doi.org/10.7891/e-manuscripta-149815



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1997-10-19
07:30
Hs 1304.6:5138
https://doi.org/10.7891/e-manuscripta-149815
Observer : Sergio Cortesi
Seeing (SIDC) : 4
Group Not Weighted Weighted Type Latitude Carrington Longit.
91 4 5 B 30 254
93 7 8 C 13 171
94 2 4 J 16 140
3 13 17