Sub loopThrhoughSeries()
Dim sColl As Excel.SeriesCollection
Dim s As Excel.Series
Set sColl = ActiveSheet.Shapes("[COLOR=#ff0000][B]Chart 1[/B][/COLOR]").Chart.SeriesCollection
For Each s In sColl
MsgBox "The series " & s.Name & " is on the axis number " & s.AxisGroup
Next s
End Sub