Sunspot drawing of 1999-2-18

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https://doi.org/10.7891/e-manuscripta-150482



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1999-02-18
08:30
Hs 1304.6:5549
https://doi.org/10.7891/e-manuscripta-150482
Observer : Sergio Cortesi
Seeing (SIDC) : 3
Group Not Weighted Weighted Type Latitude Carrington Longit.
34 1 3 J 17 278
35 11 19 C 13 275
36 9 23 D -22 269
37 3 3 B -17 256
38 1 3 J -17 241
39 10 20 C 19 261
40 4 11 C 18 233
41 7 14 D -30 304
43 1 3 J 15 178
9 47 99