Sunspot drawing of 1969-10-19

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https://doi.org/10.7891/e-manuscripta-95714



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1969-10-19
07:30
Hs 1304.5:3984
https://doi.org/10.7891/e-manuscripta-95714
Observer : Sergio Cortesi
Seeing (SIDC) : 3
Group Not Weighted Weighted Type Latitude Carrington Longit.
428 1 A 3.4 164.1
430 5 C -30.4 196.6
432 11 C 9.8 86.7
433 1 A 4.6 152.4
434 5 J 9.9 70.3
5 23