MAP OF LIGHT POLLUTION IN THE UK
Click on map to go to detailed map of Cumbria
|
Color |
Artificial / Natural |
Sky Brightness |
Description (Courtesy of Russell Sipe) |
|
< 0.11 |
> 21.5 |
||
|
0.11 to 0.33 |
21.5 to 21.3 |
Long exposure astrophotos might show some light |
|
|
0.33 to 1.0 |
21.3 to 20.8 |
Modest impact on deep sky observing and imaging. Milky |
|
|
1.0 to 3.0 |
20.8 to 20.1 |
Serious impact to deep sky observing and imaging. Milky |
|
|
3.0 to 9.0 |
20.1 to 19.1 |
Milky Way not visible |
|
|
9.0 to 27.0 |
19.1 to 18.0 |
Less than 100 stars visible over 30 degrees elevation |
|
|
>27.0 |
<18.0 |
Hopeless? |
Credit: P. Cinzano, F. Falchi (University of Padova), C. D. Elvidge (NOAA National Geophysical Data Center, Boulder). Copyright Royal Astronomical Society. Reproduced from the Monthly Notices of the RAS by permission of Blackwel Science. http://www.lightpollution.it/dmsp
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