Sunspot drawing of 1959-4-17

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https://doi.org/10.7891/e-manuscripta-91239



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1959-04-17
09:00
Hs 1304.5:693
https://doi.org/10.7891/e-manuscripta-91239
Observer : Araldo Pittini
Seeing (SIDC) : 2
Group Not Weighted Weighted Type Latitude Carrington Longit.
292 16 D -16.5 101.9
294 28 D 25.1 88.8
295 6 D -0.5 121.9
296 1 A 9.8 107.3
307 4 C -9.5 87.3
308 5 C 16.3 60.8
309 4 J 11.1 51.7
314 1 A -1.9 70.5
316 4 C 18.7 347.1
317 1 A -13.0 3.1
318 10 D -12.5 79.8
11 80