Sunspot drawing of 1969-10-21

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https://doi.org/10.7891/e-manuscripta-95797



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1969-10-21
07:15
Hs 1304.5:3986
https://doi.org/10.7891/e-manuscripta-95797
Observer : Sergio Cortesi
Seeing (SIDC) : 3
Group Not Weighted Weighted Type Latitude Carrington Longit.
430 2 A -30.4 198.9
432 16 C 10.2 87.2
433 2 A 4.3 153.0
434 70 F 10.3 67.0
438 8 D -13.1 58.5
439 1 A 7.5 136.0
440 10 C -29.2 105.8
7 109