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Map Position

• Use the four directional arrows to pan the map about a half field of view in any direction.
• Clicking the center Pan button (with the four arrows pointing to the center) resenters the map over the default map center (which is not usually over the asteroid's path) without changing the map scale.
• Double-click on anywhere on the map to quickly move that location to the center of the map.
• Click on a location and drag it to make fine corrections in map positioning.
• The latitude and longitude of the center of the map is listed beneath it (except after creating offset lines when their distance from the centerline is displayed until the map is moved again).

Map Scale

• Use the + and – buttons or the slider control to zoom in or out on the map.

Map Content

• The MAP button shows a road map (default) in the map window.
• The SATELLITE button loads an aerial or satellite image of selected area.
• The HYBRID button displays an aerial or satellite image with major roads drawn on top of it.

Map Legend

Yellow	Veritas Path Centerline.
Green	Sophrisye Path Centerline.
Blue	Path Limit Line (width of asteroid's shadow).
	The area between the blue and red lines in the Uncertainty Zone.
Magenta	Path Error Limit Line. There is a 68% probability that the asteroid's shadow will fall somewhere between the two Path Error Limit Lines.

This is a beta test (does not work on all browsers) using GOOGLE Maps.
Based on work done by Kiwi Geoff, Christchurch, New Zealand, and created utilizing his SHADOW program and JavaScript functions he developed.

This work is licensed under a Creative Commons Attribution-NonCommercial-ShareAlike 2.5 License.