The Washington Post's Joel Aschenbach did an
article on the HST earlier this month, entitled "The Wow Factor."
In discussing one image of the Butterfly Nebula, he writes, "It's such a gorgeous image that we will refrain from dwelling on the extreme color enhancement that NASA uses to make these photographs so seductive. "
It is helpful to remember that we are not looking at "real" colors in these images, but they're so beautifully rendered that we
want to believe that it's true color!