Ephemeris Graph
The plotting surface a Cygnus graphic ephemeris study produces, and the gestures available on it.
Adjust a Graph Value Axis Range
Change the vertical scale of a value axis on a Cygnus ephemeris graph, and restore its default range.
Graph Series Hover Readout
Read the exact value of a plotted sample on a Cygnus ephemeris graph by resting the pointer near the curve.
Pan the Graph Time Window
Scroll backward and forward through the generated span of a Cygnus ephemeris graph without changing the window width.
Zoom the Graph Time Window
Widen or narrow the visible period of a Cygnus ephemeris graph, and restore the default time window.