Sunspot drawing of 1970-9-20

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https://doi.org/10.7891/e-manuscripta-96379



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1970-09-20
07:00
Hs 1304.5:4262
https://doi.org/10.7891/e-manuscripta-96379
Observer : Sergio Cortesi
Seeing (SIDC) : 3
Group Not Weighted Weighted Type Latitude Carrington Longit.
399 16 12 C 12.1 107.2
403 3 3 A -22.9 86.9
404 13 9 B -14.3 97.4
405 3 2 B -17.6 35.7
406 4 4 B 4.9 30.4
408 54 38 D 19.1 21.0
411 1 2 A 13.1 344.7
412 16 10 B 21.6 63.9
413 10 9 C 3.0 359.5
414 5 7 C 11.8 324.3
10 125 96