Sunspot drawing of 1971-10-10

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https://doi.org/10.7891/e-manuscripta-96839



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1971-10-10
07:15
Hs 1304.5:4596
https://doi.org/10.7891/e-manuscripta-96839
Observer : Sergio Cortesi
Seeing (SIDC) : 3
Group Not Weighted Weighted Type Latitude Carrington Longit.
282 5 J 10.0 81.3
287 3 A 11.5 319.6
288 4 B 9.1 21.7
3 12