Sunspot drawing of 1976-4-30

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https://doi.org/10.7891/e-manuscripta-98330



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1976-04-30
12:30
Hs 1304.5:5975
https://doi.org/10.7891/e-manuscripta-98330
Observer : Araldo Pittini
Seeing (SIDC) : 3
Group Not Weighted Weighted Type Latitude Carrington Longit.
21 4 J -10.5 39.8
22 4 A 3.6 355.5
23 38 D -8.8 40.4
3 46