Can you see space satellites with a telescope?

21 December 2008


Can you see space satellites with a telescope?


Dave - You certainly can see satellites with a telescope. Definitely live satellites you can get quite good pictures of them. You can see the International Space Station and all the different bits of it with a large telescope. With your naked eye you can see stars which move across the sky very quickly and don't have a red flashing light - those are normally planes. Anything moving across the sky very quickly is normally a satellite. Chris - I saw the guys on the BBC website where they've got this tracking software which they've written themselves and some amateur telescope gear. They have got some amazing pictures of the International Space Station. It really looks like a computer game, how good the pictures are. Dave - And also you can sometimes see satellites which aren't supposed to be there. One of my housemates has got a friend who was taking photos of the sun - he's an astronomer. Occasionally you see satellites going past the sun and you can see them in some frames of this video. There are lists of all the satellites which are supposed to be there and it was one which wasn't supposed to be there. There's definitely more satellites up there than anyone will admit to. Chris - Also they fool people because some of them come down into lower orbits and then go back up again. You get these interesting Iridium flares where the Iridium network of satellites which are telecommunication satellites come down low in order to communicate and then they go back up higher. They park them into higher orbits when they're less in demand. It means they're using less fuel in the long run because they're not having to keep accelerating their orbit.

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