The Colors of IC 1795
http://apod.nasa.gov/apod/ap091210.html
In this picture there are glowing gas and obscuring dust clouds. That appear to be in IC 1795. These glowing gas clouds probably consist or approximately 99% of the interstellar medium is composed of interstellar gas, and of its mass, about 75% is in the form of hydrogen with the remaining 25% as helium. To look for this in the sky you would have to look at the star forming region in the northern constellation Cassiopeia. The colors that are formed are caused by Hubble false-color palette. This means that a lot of pictures were taken of different wavelengths and combined with computers to create this beautiful picture. This picture spans around 70 light-years across IC 1795, the actual image is 6,000 light years away.
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