Clear Sky Charts
Add Light Pollution map: Intensity: 0%
light pollution ratings
Only non-private charts in Pennsylvania shown: 161 of 6422 in North America.
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All Charts Map
How to read this map
This map shows where astronomy-specific weather forecasts, or "clear sky charts", are available. The colors of the markers indicate amount of light pollution there (colors defined
). You can:
Click on a maker to display a the small version of the chart, and link to the full version
Click and drag to pan the map.
Roll mouse wheel to zoom in or out, or double click to zoom in.
Even though this map can be zoomed out to show the all of North America, this page only shows charts in Pennsylvania. The full list is
Clear Sky Chart
. Page updated 2020-08-09 01:01:09UT on server2.