Sunspot drawing of 1970-12-18

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https://doi.org/10.7891/e-manuscripta-96346



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1970-12-18
09:00
Hs 1304.5:4332
https://doi.org/10.7891/e-manuscripta-96346
Observer : Araldo Pittini
Seeing (SIDC) : 2
Group Not Weighted Weighted Type Latitude Carrington Longit.
522 6 C 17.8 291.0
524 14 C 12.3 279.6
525 1 A -13.0 14.3
528 5 B -10.4 307.1
529 1 A -10.2 265.9
530 2 A -9.7 218.9
531 2 A 20.0 232.7
7 31