The Start of the Drive East, Up to Cambridge Bay |
The Start of the Drive East, Up to Cambridge Bay |
Jun 1 2010, 04:36 PM
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Senior Member Group: Members Posts: 4256 Joined: 17-January 05 Member No.: 152 |
I think there are a number of reasons to start a new thread. Squyres has confirmed we have turned east. We've passed the solstice and sunlight is now improving. Also we should be past the worst of the dunes now.
And, we've finally gotten new pics down! And for the first time I can recall, the jpl site has beaten exploratorium! Here are the lookbacks after the 2252 and 2254 drives: http://marsrovers.jpl.nasa.gov/gallery/all...KCP1795R0M1.JPG http://marsrovers.jpl.nasa.gov/gallery/all...NDP1777R0M1.JPG For those who don't know, the jpl site is one sol out of synch. You should add one sol to those numbers (2252 and 2254) to get the actual sols. There was a new drive on sol 2256: http://marsrovers.jpl.nasa.gov/gallery/all...Q8P1212R0M1.JPG |
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Jun 23 2010, 11:52 PM
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#2
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Senior Member Group: Members Posts: 4256 Joined: 17-January 05 Member No.: 152 |
Those navcams are odd. I wondered about cloud imaging - on the same sol there was a cloud in the fhazcam:
http://marsrovers.jpl.nasa.gov/gallery/all...FAP1205R0M1.JPG But cloud navcams are usually a series of downsampled frames. Maybe they're looking at sky transparency - those navcams show nicely how much the sky darkens as you move up from the horizon. To eliminate the effects of vignetting, which is symmetric about the frame centre, compare the brightness of sky the same distance from the top and bottom of the frame. Edit - of course these jpegs are auto stretched, so they don't reflect how much the sky really darkens with height. |
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