Sunspot drawing of 1999-1-18

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https://doi.org/10.7891/e-manuscripta-150468



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1999-01-18
09:00
Hs 1304.6:5520
https://doi.org/10.7891/e-manuscripta-150468
Observer : Sergio Cortesi
Seeing (SIDC) : 4
Group Not Weighted Weighted Type Latitude Carrington Longit.
11 1 3 J 10 306
12 32 31 D -23 272
14 24 22 D 19 270
17 14 15 D 24 297
18 36 25 D 19 262
19 17 12 B -24 265
20 1 2 A -18 209
7 125 110