hi_tech_guy_18

You find gasses, mineral or metal can influence colour in a lot of ways(some light bulbs have diffident gases, mineral or metal most notable in HIDs ark lamps) even a gas> light spectrum shift if you viewing throw such large volumes of gas if you have a good wind that can get things like minerals or metals in dust form up into the atmosphere along with heavy industry

i used Snagit Editerhttp://www.techsmith.com/snagit.html - 30 days fully functional--- Joke --- I should of used cron, php and php_gd2 to update the image it would of been very updated

Shrewsbury

Youtube 8:30 am To 8:30 pmTime-Lapse Settings: 1 Frame every 10 seconds for 12 hoursWatch a few Thunderstorms heavy rain clears up the pollen hazeHowever no lighting was captured - I wasn't at home