Sunspot drawing of 1969-9-20

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https://doi.org/10.7891/e-manuscripta-95735



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1969-09-20
07:00
Hs 1304.5:3956
https://doi.org/10.7891/e-manuscripta-95735
Observer : Araldo Pittini
Seeing (SIDC) : 3
Group Not Weighted Weighted Type Latitude Carrington Longit.
385 1 A -19.1 247.0
386 4 J 12.9 238.7
388 18 B -4.3 222.2
396 5 A 12.2 154.6
397 2 A -9.7 103.8
398 1 A -28.4 119.4
6 31