Sunspot drawing of 1970-10-18

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https://doi.org/10.7891/e-manuscripta-96535



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1970-10-18
07:30
Hs 1304.5:4287
https://doi.org/10.7891/e-manuscripta-96535
Observer : Araldo Pittini
Seeing (SIDC) : 3
Group Not Weighted Weighted Type Latitude Carrington Longit.
439 9 C 4.2 62.3
440 14 D 9.7 49.2
441 8 J 17.3 30.5
442 3 B -12.8 47.1
446 19 D 9.4 33.9
447 8 G 11.2 338.7
6 61