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The Bruce Murray Space Image Library

Asteroid 2012 DA14 from Siding Spring Observatory

Filed under near-Earth asteroids, pretty pictures, amateur image processing, Earth impact hazard, asteroids, comet Siding Spring, optical telescopes, animation

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Asteroid 2012 DA14 from Siding Spring Observatory These images were taken between 09:53 and 11:28 on 15 February, and give a clear picture of how fast the asteroid was traveling.

Las Cumbres Observatory Global Telescope Network/Tim Lister/Edward Gomez

The elongated shape is because the asteroid is very slightly trailed in the images, even though the exposure times were low (~5s in Solar filter). There appears to be change in the asteroid's shape which may indicate it is rotating and non-spherical.

(Animation was made with Adobe Photoshop, painstakingly aligning each frame on the the asteroid and attempting to balance the contrast and brightness. It was then exported to an animated GIF. There are 5 frames were the telescope tracks the asteroid not the sky, where the asteroid looks round and everything else is trailed. I included those to see what a difference it makes to our perception of the flight of 2012 DA14.)

Originally posted here.

Original image data dated on or about February 15, 2013.

Creative Commons License
This work is licensed under a Creative Commons Attribution-NonCommercial-ShareAlike 3.0 Unported License. For uses not allowed by that license, contact us to request publication permission from the copyright holder: Edward Gomez


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