Sunspot drawing of 1967-10-21

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https://doi.org/10.7891/e-manuscripta-95260



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1967-10-21
08:00
Hs 1304.5:3365
https://doi.org/10.7891/e-manuscripta-95260
Observer : Araldo Pittini
Seeing (SIDC) : 2
Group Not Weighted Weighted Type Latitude Carrington Longit.
406 28 C 15.9 52.1
407 26 D 9.9 26.3
411 1 A 18.2 86.4
414 1 A 12.8 17.9
415 3 A 11.5 4.9
416 2 B 18.8 353.4
417 3 J 21.2 343.3
7 64