Sunspot drawing of 1998-9-18

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https://doi.org/10.7891/e-manuscripta-150139



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1998-09-18
07:00
Hs 1304.6:5427
https://doi.org/10.7891/e-manuscripta-150139
Observer : Sergio Cortesi
Seeing (SIDC) : 3
Group Not Weighted Weighted Type Latitude Carrington Longit.
237 1 1 A 24 157
242 4 11 G -21 90
243 2 2 A -40 61
244 2 4 C -29 55
245 6 7 B -16 49
246 1 3 J 32 22
247 9 17 D 19 13
7 25 45