Sunspot drawing of 1969-10-18

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https://doi.org/10.7891/e-manuscripta-95896



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1969-10-18
07:45
Hs 1304.5:3983
https://doi.org/10.7891/e-manuscripta-95896
Observer : Sergio Cortesi
Seeing (SIDC) : 4
Group Not Weighted Weighted Type Latitude Carrington Longit.
421 3 J 10.1 257.0
425 6 C -4.4 243.2
428 1 A 3.4 163.7
430 2 A -30.3 197.8
431 1 B 19.7 147.7
432 9 D 10.0 88.0
6 22