Sunspot drawing of 1983-9-22

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https://doi.org/10.7891/e-manuscripta-140465



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1983-09-22
07:15
Hs 1304.6:812
https://doi.org/10.7891/e-manuscripta-140465
Observer : Sergio Cortesi
Seeing (SIDC) : 3
Group Not Weighted Weighted Type Latitude Carrington Longit.
252 3 4 C -13 62
258 2 5 J -8 335
260 1 3 J -16 300
261 2 13 D -20 269
4 8 25