Dark Sky Map United States

Dark Sky Map United States. The map shows light pollution levels, lunar conditions, and access to U.S List of Class 1-2 Bortle parks and places in the U.S

When comparing year to year, sadly the trend is not good for stargazers The years 2006, 2016, 2020, and 2022 can all be selected on the map

Dark Sky Calendar Usa Dalila Wanids

Use NASA VIIRS data and the Bortle scale to identify areas with minimal noise pollution (Used with permission.) David recalculated the The World Atlas of the Artificial Night Sky Brightness with newer data. The Bortle scale is one measure of determining sky brightness (light pollution) at night.

. There are popup windows with five of the most relevant metrics, a snapshot report, and night sky images for dates that data were collected. It was long overdue, but this map has now been updated with more recent light pollution information

. The years 2006, 2016, 2020, and 2022 can all be selected on the map One of only two International Dark Sky Reserves in the U.S., the area encompasses more than 1,400 square miles of land