The last days has been productive, I have now transformed one more page of my Excel sheets, the Light Pollution calculator to a new Web Calculator page.
I added a lot of new links with information, and also now tested that the calculation was correct, It at least look that now.
You can read more here if you find it interesting:
http://www.astrofriend.eu/astronomy/...magnitude.html
I now know that if I move from my balcony to a really dark place the sky background will be 5 magnitudes weaker or 1/100 of the flux. At the summer house I gain 3.6 magnitudes a typical night.
/Lars