Maps and observing points
Inspect solar center and limit lines, partial-eclipse regions, and lunar visibility on Apple Maps, then choose an observing point.
Eclipse Simulator
Follow eclipses across maps and sky.
An educational and investigative simulator for exploring solar and lunar eclipses across time using Apple Maps and a ground-level sky view.
For iPhone, iPad, and Mac. Connect maps, contact times, ground views, ΔT comparisons, and historical or future star fields.
What you can explore
Inspect an eclipse from several angles
Follow the map, time progression, and view from an observing point while retaining the calculation conditions and sources.
The sky from the ground
Play the alignment of the Sun, Moon, and shadow through contact times, including the star field for the selected epoch.
Visible uncertainty
Compare ΔT scenarios and see how modeled paths and times can change for ancient and future events.
Accuracy: This app is for learning and model comparison. It does not guarantee definitive values for observation planning, navigation, research, or safety-critical decisions. Map backgrounds are present-day Apple Maps.