ComponentsCharts
Radar chart
A radar chart plots several measures on spokes around a centre, so each series becomes a shape. Choose it to compare profiles on the same scale; keep to a few series and five to eight spokes.
One profile
Labels become the spokes and each value sits on its spoke. AxisSuggestedMax fixes the outer ring at the top of the scale.
Comparing profiles
Translucent fills let overlapping shapes stay readable. CanHideSeries lets the reader isolate one.
Grid, angle and fill
Grid levels, the starting angle, fill opacity, stroke width, markers and axis values.
80 mm refractor
250 mm Dobsonian