Posts Tagged ‘Light’

Light Pollution

July 10th, 2010

Product Description

Light-pollution is the modern scourge of optical astronomy. More and more observing sites are being lost as the glare of city lighting blots out the night sky. Professional astronomical observatories are located far from cities, but amateur astronomers often do not have this luxury. This book considers the two available strategies open to astronomers – get rid of the light pollution by lobbying authorities and standards organisations, and minimize its effects by using the correct instrumentation. The book contains an extensive detailed catalogue of deep-sky and other objects that – despite what one might believe – can be seen from variously light-polluted sites, for practical observers.

Light Pollution: Responses and Remedies (Patrick Moore’s Practical Astronomy Series)

Athletic and Sports Field Lighting

September 27th, 2009
Athletic and Sports Field Lighting

RLL Design athletic and sports field lighting can be used to light any type of arena, stadium, playing field, or sports center. Similar to floodlights, they can be mounted on metal or wooden poles to provide evenly distributed, glare free lighting of game areas, spectator stands, concession areas, and areas leading from the parking lot to the stands. RLL Design athletic and sports field lights feature multi-tap ballast control in voltages of 1 » Read more: Athletic and Sports Field Lighting

July 22nd, 2009

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