Quote:
Originally Posted by cybereye
Allan,
The red colour is due to inter-stellar dust which is in between us and the nebula. Most of the green & blue channels have been absorbed - here's a link describing the phenomenon.
Cheers,
Mario |
Mario
I had a look mat your link and found that it was amazing that when they looked at their blue plates there was NO image of the nebula at all. So dust extinction was the answer and I stand corrected.
Quote:
Originally Posted by atalas
Nice work Al.
|
Thanks Louie. Hope to peruse your site when its up and going again.