[meteorite-list] Phoenix Lander and Mars Colors

[ensoramanda]

Hi Stirling

Very interesting to see colour calibration charts...but there dont seem 
to be any shades of red....any reason for that?

Graham Ensor


Sterling K. Webb wrote:


>Hi,

>

>    There is a long-running controversy about the "true"

>colors of Mars. By "true" colors, one essentially means:

>"What would it look like to my human eye if I was standing

>there looking at the Martian landscape?"

>

>    The Phoenix Lander can solve this problem. Like the

>rovers, it will have a color calibration target, but a vastly

>improved one, with magnetic protection against dust

>accumulation.

>

>    For those of us with the weird hobby of trying to

>reconstruct the "true" colors, here is an image of the color

>calibration target being used at this website:

>http://news.ucf.edu/UCFnews/index?page=article&id=002400410f556ad3011a10e25439031e&mode=news

>You have to click on the tiny black-and-white thumbnail

>in the article to get the picture of the colors to pop up!

>

>    You can see the target (twice) on the lander in this

>new photo and compare the "true-ness" of the colors:

>http://www.nasa.gov/images/content/231350main_sol002_runout_color.jpg

>

>    Things still need a tiny bit of tweaking, but it's a

>big improvement.

>

>

>Sterling K. Webb

>

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