Sunspot drawing of 1999-7-17

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https://doi.org/10.7891/e-manuscripta-150455



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1999-07-17
07:30
Hs 1304.6:5678
https://doi.org/10.7891/e-manuscripta-150455
Observer : Sergio Cortesi
Seeing (SIDC) : 4
Group Not Weighted Weighted Type Latitude Carrington Longit.
204 10 16 D -18 119
207 12 14 D -13 103
210 15 12 C 17 115
211 8 11 H 11 54
213 5 8 J -14 92
216 3 3 B 42 143
218 1 3 J 19 339
7 54 67