Sunspot drawing of 1988-2-9

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https://doi.org/10.7891/e-manuscripta-143873



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1988-02-09
08:00
Hs 1304.6:2119
https://doi.org/10.7891/e-manuscripta-143873
Observer : Sergio Cortesi
Seeing (SIDC) : 2
Group Not Weighted Weighted Type Latitude Carrington Longit.
22 1 3 J 18 174
23 5 14 C 20 151
26 8 20 C 27 133
30 3 6 C -34 15
4 17 43