Red PC backlight program?

[sashark]

Does anyone know of any freeware which makes everything on your computer screen tinted red? If not, I think this should exist haha...would be good for astronomy purposes

[naskies]

Here you go:

http://www.backyardeos.com/product_backyardred.aspx
http://www.backyardeos.com/download.aspx

[sashark]

you're awesome.