Sunspot drawing of 1970-9-18

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https://doi.org/10.7891/e-manuscripta-96479



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1970-09-18
07:00
Hs 1304.5:4260
https://doi.org/10.7891/e-manuscripta-96479
Observer : Araldo Pittini
Seeing (SIDC) : 3
Group Not Weighted Weighted Type Latitude Carrington Longit.
399 7 8 A 12.5 104.5
400 1 2 A -11.3 119.4
403 1 3 A -21.9 87.9
404 3 3 A -14.5 94.5
405 5 8 B -16.2 39.5
406 1 2 A 3.8 28.9
408 21 32 D 19.3 21.1
409 1 1 A 8.2 98.7
8 40 59