Sunspot drawing of 1988-2-19

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https://doi.org/10.7891/e-manuscripta-143594



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1988-02-19
08:15
Hs 1304.6:2129
https://doi.org/10.7891/e-manuscripta-143594
Observer : Sergio Cortesi
Seeing (SIDC) : 2
Group Not Weighted Weighted Type Latitude Carrington Longit.
32 2 12 H 21 328
33 8 16 C -15 319
34 3 7 C 19 317
37 2 10 D -10 30
38 1 3 J 38 345
5 16 48