Sunspot drawing of 1959-4-20

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https://doi.org/10.7891/e-manuscripta-91250



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1959-04-20
07:00
Hs 1304.5:696
https://doi.org/10.7891/e-manuscripta-91250
Observer : Sergio Cortesi
Seeing (SIDC) : 3
Group Not Weighted Weighted Type Latitude Carrington Longit.
292 3 J -16.2 102.0
294 10 C 25.3 91.4
307 5 B -7.3 88.7
308 7 J 16.5 59.7
309 9 D 11.5 50.5
316 18 D 18.2 345.8
320 22 D 17.4 41.5
322 15 D 1.4 331.2
323 13 D 7.2 19.7
324 8 C 20.9 321.6
325 1 A -8.5 346.1
326 2 A 12.0 311.4
327 4 J 8.6 303.6
328 1 A -5.1 303.5
14 118