Sunspot drawing of 1999-1-23

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https://doi.org/10.7891/e-manuscripta-150430



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1999-01-23
09:30
Hs 1304.6:5525
https://doi.org/10.7891/e-manuscripta-150430
Observer : Sergio Cortesi
Seeing (SIDC) : 4
Group Not Weighted Weighted Type Latitude Carrington Longit.
12 26 38 D -23 273
14 20 19 D 19 271
18 11 9 B 20 262
22 3 3 B 19 237
23 13 15 C 20 230
24 3 4 A 15 171
6 76 88