light pollution in your area
We hope that you are willing to spend some time to determine the light pollution in your area.

It used to be possible to see 2500 stars at night nowadays, in cities we only see a few stars with the naked eye. Also the Galaxy was visible. Light pollution has highly reduced the perceptibility of the starry sky. How bad is light pollution where you live? Do the Cassiopeia test!

To do the cassiopeia test you have to search for the constellation cassiopeia. It is easy to find cassiopeia using the
image below.

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