Steps on how to shoot meteors with a nikon D40?

I'm a "beginner" when it comes to photography, and I have two cameras(D40 and D3000), but mostly use my D40. What steps (semi-detailed) would I do to take good meteor photographs at night? (12am-4am)

Added (1). Perseid's tonight.

I don't know what meteors you want to photograph by night. I guess asteroids, others could be aurora borealis. Asteroids are difficultly photographed cause you don't know where they'll appear and they're such a sudden phenonenon. But, ok, get a tripot, use the wider angle lens you have, place the camera towads sky at a place with no lights or flaring around.So, once on pkace set your camera aperture at about 8 and focus to infibity; set the shutter speed to B and click.So, leave the camera for a long time, something about one hour or more and all what happens on sky will be photographed, rotating stars and asteroids included. Better use a cabke release.

Adding to Jorge's how to: you have to be in a DARK AS HELL spot to get the meteor showers in a photo. Even if your yard is dark as pitch, if there's a light in the distance it will effect your exposure. If there's a glow from a town 30 miles down the road? It will effect your exposure.

- An area as little contaminated by city lights as possible.
- Your camera on a tripod, set to 30 second shutter, or bulb mode if you need exposures that are longer.
- ISO set as low as possible (200 for the D40).
- Aperature set small, perhaps F16 for a 30 second exposure. Depending on the amount of city light contamination, it could be smaller or larger. Take some shots and chimp to see what works best.
- Setting noise reduction on would be a good idea, but be aware it may result in very long write times to your digital card. Again, experiment with some long exposures with noise reduction on and off to see what happens.
- D40's have Bulb mode, but are not capable of a cabled release. For exposures longer than 30 seconds you'll have to keep your finger on the shutter. Really long exposures of 5 minutes of more will most likely need a neutral density filter.
-Bug spray, flashlight, snacks, and appropriate clothing for the temperature

-Have fun

Just to add; get a remote control or at least use the timer if you can. That'll cut down on vibrations and shake,…