light pollution – Astronomy Now

Beating the LED streetlights: IDAS light-pollution suppression LPS-D2 filter

18 March 2022 Ade Ashford

The LPS-D2 filter is the world’s first filter designed specifically to combat LED light pollution. Ade Ashford took a close look at the data to see how effective it will be.

RAS warns of growing light pollution as satellite fleets expand

1 April 2021 Astronomy Now

Growing fleets of satellites in low-Earth orbit threaten to increase overall skyglow, a new study concludes, raising the prospect of light pollution across large areas.

A brightening world: Study shows rise in global light pollution

26 November 2017 Astronomy Now

Five years of advanced satellite images show that there is more artificial light at night across the globe, and that light at night is getting brighter.

Using drones to keep tabs on light pollution

28 June 2016 Astronomy Now

Astronomers at Nottingham Trent University have developed a light, low cost system, deployable on a drone, that could help everyone monitor and control light pollution. The team, led by undergraduate student Ashley Fuller, present their work at the Royal Astronomical Society’s National Astronomy Meeting at the University of Nottingham.

New world atlas of light pollution reveals extent of artificial night sky brightness

11 June 2016 Astronomy Now

In addition to being a scourge for astronomers, light pollution also affects nocturnal organisms and the ecosystems in which they live. This new atlas shows that more than 80 percent of the world and more than 99 percent of U.S. and European populations live under light-polluted skies. The Milky Way is hidden from more than one-third of humanity.

Help reclaim the stars during International Dark Sky Week

5 April 2016 Astronomy Now

Those of us living in cities, towns and villages are subject to varying degrees of light pollution — the inappropriate use of artificial light at night. But we don’t have to lose our stars as there are ways to mitigate the skyglow. Learn what you can do to help during International Dark Sky Week, 4—10 April.

International Dark Sky Week 2015

11 April 2015 Astronomy Now

International Dark Sky Week is an annual worldwide event, held 13th—19th April this year. A key component of Global Astronomy Month, find out what practical measures you can take to help reclaim the stars.