Live Dust Devil? |
Live Dust Devil? |
Mar 10 2005, 11:17 PM
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#1
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Rover Driver Group: Members Posts: 109 Joined: 2-May 04 From: Litchfield Park, Arizona (Phoenix area) Member No.: 71 |
Man, this looks an awful lot like a dust devil in the distance. What do you think?
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Mar 12 2005, 04:04 AM
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#2
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Senior Member Group: Members Posts: 1870 Joined: 20-February 05 Member No.: 174 |
I took the pre and post cleaning images posted earlier today, and combined them into a pseudo-color image: the pre-dusting frame as red, the post-dusting frame as blue, and their average as green.
Sun-angles are close but not identical, and the images are not in perfect registration, but the result is interesting. Areas with the most dust removed (actually the greatest reflectance change) are red. You can trace the changes even into shadowed areas. Some of the misc. metal hardware in the upper left corner shows little if any real change (other than mis-registration fringes). Dust tails behind pieces of hardware appear grayer, as there's been little brightness change. A steplike edge of metal hardware in the center of the left edge of the image may have accumulated dust, or that may be due to the change in illumination. |
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Lo-Fi Version | Time is now: 26th September 2024 - 04:04 PM |
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