Sprites are very high altitude lightning phenomena. They last for a vanishingly short time and are typically Salmon or reddish in color with bluish bottoms. They occur over large thunderstorms that generate Positive cloud to ground lightning. "+CG"
They can bee seen with the naked eye if you are for enough away from bright lights at night and the thunderstorm that produces them is over 90 miles away.
Now you could stand all night outside getting eaten alive by mosquitos in the spring trying to glimpse these fleeting phenomena.
you could set up a camera and have your computer do the work for you and have a lasting image to show and baffle your friends with!
I'm going to show you how to do the latter!
1 High sensitivity Low light Black and White or color Video Camera
(Black and white is cheaper and more sensitive)
1 PC with Video Capture Card
1 Software package geared towards Meteor or Astronomical Video / Motion Detection.
1 Area to aim the camera that was free of distracting things... (Moving branches and such)