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Thread: Hubble Ultra Deep Field images

  1. #1

    Default Hubble Ultra Deep Field images

    These pics were taken by the hubble last year. Its a ~11.5 day exposure of a area of sky the size of a grain of sand held at arms length. Amazing stuff.

    http://www.aip.de/groups/galaxies/sw/udf/swudfV1.0.html

  2. #2

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    My God... how is that achieved without inducing star trails?

  3. #3
    Senior Member glennyong's Avatar
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    wha... amazing..

  4. #4
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    Quote Originally Posted by RossChang
    My God... how is that achieved without inducing star trails?
    That's because the Hubble space telescope is in orbit around the earth, 600 km above the ground, and can be oriented to keep looking at a certain patch of space.

  5. #5

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    http://hubblesite.org/newscenter/new...004/07/image/a

    "The image required 800 exposures taken over the course of 400 Hubble orbits around Earth. The total amount of exposure time was 11.3 days, taken between Sept. 24, 2003 and Jan. 16, 2004. "

  6. #6

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    Quote Originally Posted by gooseberry
    That's because the Hubble space telescope is in orbit around the earth, 600 km above the ground, and can be oriented to keep looking at a certain patch of space.
    Opzzy... mistaken tat for the ground observatory...

    hmm... such precision.... amazing...

  7. #7
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    great link! there're videos available as well, cool!

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