Sunspot drawing of 1970-12-13

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https://doi.org/10.7891/e-manuscripta-96589



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1970-12-13
09:00
Hs 1304.5:4327
https://doi.org/10.7891/e-manuscripta-96589
Observer : Araldo Pittini
Seeing (SIDC) : 3
Group Not Weighted Weighted Type Latitude Carrington Longit.
511 1 A -9.9 56.7
512 18 D 14.1 33.8
515 25 D 10.9 5.1
516 16 D -5.4 56.1
518 2 A 3.0 349.4
522 4 C 18.5 293.0
6 66