Why can nebulae be seen from Earth in celestia ?

[Vincent]

When you go onto Earth surface and look to the sky, you can easily see nebulae like Rosetta (NGC 2237). That shouldn't be possible, like in reality.

So I thought it was a question of Albedo. But I tried to change it and that made no difference.

Then I found another explanation : nebulae texures are continuous in celestia, which is not true in reality... Indeed, nebulae are made of star, dust, gas, etc... So the 'continuous' texture is more visible from earth than would be billion of points representing stars...

Does someone have any (better) explanation ?

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Vincent

[maxim]

Is there an albedo setting for DSOs? That's new to me.
But if you mean magnitude: DSOs aren't affected by magnitude in Celestia yet. That's a desperatly missing feature. Additionally a lot of DSOs have wrong size parameters defined and DSOs in general don't cover light from behind but cumulate it - so they may look even more brighter.

maxim

[Vincent]

Ok Maxim, that's why adding a Albedo line didn't change anything...

I also try to add Albedo for 'not texturised' nebulae, and thare were no changes as well.

So you're absolutly right :

- There is no albedo setting for nebulae
- It would be great to found this feature in the next versions of celestia, to make our Celestian sky look more realistic.

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Vincent

[Psykotik]

Now, you have your answer

[Vincent]

Ooooh yeaaaah, this forum is really great !

Thanks

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Vincent