Sunspot drawing of 1983-11-15

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https://doi.org/10.7891/e-manuscripta-140551



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1983-11-15
09:30
Hs 1304.6:860
https://doi.org/10.7891/e-manuscripta-140551
Observer : Marco Cortesi
Seeing (SIDC) : 4
Group Not Weighted Weighted Type Latitude Carrington Longit.
301 7 12 B -13 7
302 8 18 C -15 331
2 15 30