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PHX + HiRISE
djellison
post Aug 1 2009, 07:34 AM
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It saw all the pieces

http://hirise.lpl.arizona.edu/ESP_011980_2485

Feb '09.

I'm not sure what's going on with HiRISE. Looking at Opportunity and Spirit - the earliest images are the best. But there ARE images AS good as that in each months updates. PHX is an odd-ball because of low light angle, thus having to crank things up to get an image.
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Guest_Sunspot_*
post Aug 1 2009, 10:26 AM
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The first images released of the landing sites were stunning. But subsequent images from HiRISE show a lot of noise and banding.
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ugordan
post Aug 1 2009, 11:36 AM
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Without going into the actual image and lighting geometry now, I'd venture a guess that's just a result of poor illumination and really marginal signal to noise ratio. No doubt detectors degrade over time, but this would be radical.


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