Sunspot drawing of 1970-9-17

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https://doi.org/10.7891/e-manuscripta-96524



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1970-09-17
07:00
Hs 1304.5:4259
https://doi.org/10.7891/e-manuscripta-96524
Observer : Araldo Pittini
Seeing (SIDC) : 2
Group Not Weighted Weighted Type Latitude Carrington Longit.
399 8 B 11.8 104.6
400 2 A -11.3 119.2
403 4 C -22.1 86.7
405 6 B -16.9 37.2
406 2 A 3.8 29.1
408 11 C 19.6 20.7
409 2 A 8.1 98.5
7 35