Sunspot drawing of 1999-7-20

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https://doi.org/10.7891/e-manuscripta-150570



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1999-07-20
07:30
Hs 1304.6:5681
https://doi.org/10.7891/e-manuscripta-150570
Observer : Sergio Cortesi
Seeing (SIDC) : 4
Group Not Weighted Weighted Type Latitude Carrington Longit.
211 4 7 J 11 53
213 3 3 A -14 93
218 26 33 D 20 336
219 5 6 B 12 67
220 1 1 A 25 329
222 5 4 B 37 38
223 1 3 J 17 298
7 45 57