Quote:
Originally Posted by Allan_L
Hi Tyrone,
Not such a dumb question, really.
We all need to build up our knowledge from such questions/discussions.
Don't be afraid to ask.
However, I can't think of any galaxies that are coloured even in Hubble images.
They are generally just an agglomerated collection of starlight and dark lanes.
It will be testing to try to spot dim galaxies from a light polluted area with a 4.5" aperture scope. (Except maybe the two Magellanic Clouds as mentioned by Aidan, and possibly Centaurus A NGC5128).
Nebulae on the other hand can be various colours, but generally colours will only be brought out in long exposure photographs and stacking image data, as Aidan has mentioned.
Some exceptions are some planetary nebulae like the Blue Planetary nebula, little gem, etc.
Again, these will be testing under your conditions, but don't let that stop you from trying.
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Would something like the horsehead nebula still look like a horse with the eye.
I assume it's colourless though.