Sunspot drawing of 1967-12-20

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https://doi.org/10.7891/e-manuscripta-95272



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1967-12-20
09:00
Hs 1304.5:3412
https://doi.org/10.7891/e-manuscripta-95272
Observer : Araldo Pittini
Seeing (SIDC) : 1
Group Not Weighted Weighted Type Latitude Carrington Longit.
492 2 A 9.4 39.5
495 6 C 19.5 39.3
496 44 F 16.6 29.4
499 3 J 25.7 60.6
503 13 D 22.1 334.3
509 7 H -25.1 313.0
512 3 B 22.3 320.9
513 5 C -16.1 325.8
514 4 A -27.4 311.4
9 87