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Calibration Target?, MER Earth rock calibration target?
Airbag
post Nov 19 2005, 07:34 PM
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Looks like we finally get to see a picture of the Earth rock calibration target? The metal ring around the outside (plus the very polished surface) tell us this is not a picture of a RAT drilling, let alone that this type of rock is not obvious around Erebus!



Airbag
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Bill Harris
post Nov 19 2005, 11:40 PM
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That's it-- the pesky magnetite calibration target.

Attached is an enhanced view of Oppy's and a similarly enhanced view of Spirit's calibration target.

I wish we had pre-flight images of these targets...

--Bill



edit: updated image


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helvick
post Nov 20 2005, 01:34 AM
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QUOTE (Bill Harris @ Nov 20 2005, 12:40 AM)
I wish we had pre-flight images of these targets...
*

Yep, the differences between them are quite significant but we've no idea if they have any significance.
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Bill Harris
post Nov 20 2005, 04:33 AM
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Either one does not seem to be an unremarkable sawed section of hematite, but it would be nice to know.

As I recall, this calibration target is supposed to have a thin inert covering over it. I also recall that Oppy did a calibration run recently and probably came up with odd reults, which prompted this peek.

--Bill


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