Sunspot drawing of 1998-10-20

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https://doi.org/10.7891/e-manuscripta-150088



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1998-10-20
07:30
Hs 1304.6:5447
https://doi.org/10.7891/e-manuscripta-150088
Observer : Sergio Cortesi
Seeing (SIDC) : 3
Group Not Weighted Weighted Type Latitude Carrington Longit.
270 1 2 A 15 110
271 1 2 A -18 106
272 4 6 C 14 93
273 5 8 C 18 5
274 7 15 D 24 37
276 9 16 D -27 36
277 3 6 B 19 29
7 30 55