[Svetlo]lampy shora v noci nemaji byt videt

[Jan Hollan]

Na druhem odkazu z toho clanku o Cesku, 
  http://www.space.com/spacewatch/skies_czech_020318.html
 konkretne na
  http://www.space.com/scienceastronomy/astronomy/dark_skies_000824.html

me zaujal citat

   In Los Angeles as early as 1990, George Eslinger, the retired director
   of the city's bureau of street lighting -- and now an IDA board member
   -- began an ambitious campaign to upgrade the city's street lamps with
   a less light-polluting variety.

   "As you fly in and out of L.A., there are certain major sections of
   the city where it's evident," Eslinger said. "In one direction, you
   can see lighted streets without seeing the individual lights. Look in
   another, and you'll see the individual pearls of light."

je skvele, ze ti nejzkusenejsi vzdelani praktici z osvetlovaci branze
pouzivaji ono proste, prirozene kriterium: jsou-li svetelne body lamp
videt shora, je to spatne... a ze nekde zacali s kvalitnim osvetlovanim uz
tak davno (jak uz jsem psal jindy, ve state Washington uz dokonce o tricet
let drive).

zdravi jenik hollan