Celestia Forums

Where are the Nebulae?! I've seen countless screenshots of nebulae in Celestia, but cannot find them in the program. I've tried searching for them by pressing enter and typing the names. For example, for the Crab Nebula, I've pressed enter and tried to type in: M 1, NGC 1952 and Crab Nebula but it doesn't recognise any of them. I made sure it is checked in the render options but still no luck. As a last resort I even tried manually searching the universe (I gave up shortly after, it's no easy task, I'm sure you'll agree!)!! How do I get them to show?

Thanks

Hi there,

I am certainly no expert.(by any stretch) but I believe you have to actually download these (and all other items) into the program

try

http://www.lns.cornell.edu/~seb/celesti ... intro.html

and for the whole glorious universal........stuff!

try

http://www.celestiamotherlode.net/

hope this helps

Cheers

Osmium

IanUK wrote:Where are the Nebulae?! I've seen countless screenshots of nebulae in Celestia, but cannot find them in the program. I've tried searching for them by pressing enter and typing the names. For example, for the Crab Nebula, I've pressed enter and tried to type in: M 1, NGC 1952 and Crab Nebula but it doesn't recognise any of them. I made sure it is checked in the render options but still no luck. As a last resort I even tried manually searching the universe (I gave up shortly after, it's no easy task, I'm sure you'll agree!)!! How do I get them to show?

Thanks

Why don't you first tell us whether you use the last, official Celestia version: 1.4.1 or not. Below 1.4.0 things change drastically! So if you want help, always specify your version, your OS and possibly hardware info.

Next, tell me whether you mean /really/ nebulae (like M1) or whether your interest includes also galaxies!? There is of course a BIG difference between them, yet many tend to mix them up. Since version 1.4.0 we have ~10000 galaxies incorporated (the complete revised NGC catalog, actually! But no proper (gaseous) nebulae yet. The latter have to be loaded as add-ons.

If you want to display deep space objects, make SURE that you enabled their display in the options dialog! Otherwise you'll see nothing. But I am confident that you first have carefully studied the Celestia manual before getting "en route"...

Bye Fridger

Ok, thanks osmium, I feared as much.

Most of the nebula addons I've come across are less-than-exciting 2D pictures, so I think I'll wait for a super-duper update or something. But it does make me wonder why they have a "show nebulae" check box, when there's no nebulae...

Nevermind, loving Celestia either way!

Thanks Ian & thanks Fridger,



don't wait for a super update , from what I understand the files just get to big to download ...back to the motherload perhaps..

cheers

....must check out that manual as well.

Osmium

Sorry Fridger,

went to options and only found Nebulae box is this what you meant by 'deep space objects'

Cheers

Osmium

Hi t00fri,

I'm using version 1.4.1, Windows XP Pro, NVIDIA GeForce2 MX/MX 400 (64 MB) graphics card.

And I do mean Nebulae, like the M1 (Crab), M42 (Orion) etc. I've already found the Galaxies like M31 (Andromeda) and M33 (Pinwheel) and am enjoying those.

Here's what I'm finding:



EDIT:Since posting this I've re-read t00fri's post and noticed a bit that I must have glanced over before, that there aren't any gaseous nebulae included yet. I think I was leaning towards that conclusion anyway, but now you helpful folks have confirmed it. Thanks guys!!

Although no Nebulae are included with the distributed version of Celestia, many Nebula pictures and models are available on the Motherlode at
http://www.celestiamotherlode.net/

The term "nebula" is a catch-all, including many different categories of objects.

We really only know how most gaseous nebulae look from the Earth. We do not know how they look from other directions. 3D models are strictly conjecture and most are fantasies, although some scientific studies have tried to deduce how a small number of them are structured on the sides toward us.

The structures of so-called "planetary nebulae" tend to be somewhat easier to deduce, since they're usually axially symmetric.

IanUK,

I noticed from your screenshot that you entered "M 1". Try entering "M1".
NO SPACES. Thats the way the M1 file is listed with the version I downloaded.

cartrite