Cape York - Northern Havens, Sol 2780 - 2947 |
Cape York - Northern Havens, Sol 2780 - 2947 |
Mar 4 2012, 05:19 PM
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#451
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Senior Member Group: Moderator Posts: 3431 Joined: 11-August 04 From: USA Member No.: 98 |
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Mar 4 2012, 09:27 PM
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#452
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Member Group: Members Posts: 194 Joined: 3-January 10 Member No.: 5156 |
You mean Oppy is now on a psychodelic trips these days ?
After eight years of working alone in the wide meridiani place I think that's just necessary. -------------------- Need more input ...
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Mar 5 2012, 03:22 AM
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#453
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Member Group: Members Posts: 754 Joined: 9-February 07 Member No.: 1700 |
Looks like Pear Blossom Highway!
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Mar 5 2012, 04:41 PM
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#454
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Junior Member Group: Members Posts: 98 Joined: 17-July 11 From: Pasadena, CA Member No.: 6066 |
From the report...
QUOTE But Opportunity is in new terrain and as this mission's luck would have it, Mars whipped up a gust or two last weekend, giving the rover a bump that pushed her power levels to about one-third full capacity. Now, all fingers are crossed that Mars will help March blow in with something of a little gusty roar. There was a small dust cleaning! It happened over a couple of sols. I should reiterate "small" -- it was significant but not enough to, say, let us drive away. -m |
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Mar 5 2012, 06:04 PM
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#455
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Senior Member Group: Members Posts: 2173 Joined: 28-December 04 From: Florida, USA Member No.: 132 |
If I read dilo's graph right, it looks like about a 10% gain. From ~275 to ~310 Whrs. Below is a compressed version. The full graph is here.
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Mar 7 2012, 10:00 PM
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#456
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Member Group: Members Posts: 808 Joined: 10-October 06 From: Maynard Mass USA Member No.: 1241 |
Here is the interim result of a software test to re-focus the close-in hardware on OPPY, and to leave the rest of the image alone. I used a modified Lucy-Richardson 'focuser' and an out-of-focus 'finder (low freq regions and [when i had to] an explicit don't bother this region tool...
-------------------- CLA CLL
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Mar 8 2012, 02:59 PM
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#457
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Member Group: Members Posts: 214 Joined: 30-December 05 Member No.: 628 |
How to account for the bare stripe in between the two dusty stripes?
Is it - a. an illusion due to light effects, b. indicative of dust-laden breezes arriving from two different prevailing directions c. due to a change in rover orientation with a constant wind direction d. due to a tendency of dust deposits to fall away when they reach a certain thickness. Someone knows the answer to this, I am sure. |
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Mar 8 2012, 03:52 PM
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#458
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Senior Member Group: Members Posts: 4246 Joined: 17-January 05 Member No.: 152 |
At first I thought the bright stripe running down just right of centre was specularly reflected sun/skylight shining through dust. But the L2 seems to show the (specular) reflected light confined to near the top. So it looks like the stripes are due to different thicknesses of dust.
Dust tends to accumulate slowly and come off fast, during gusts. So I'd guess the dust accumulated from many directions, giving smooth coverage, but was removed in certain stripes depending on the rover orientation during the gusts. But a lot of dust was deposited during the dust storm, so there may be a depositional stripe associated with that too. Maybe someone could put together a montage of LGA images through the years... |
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Mar 10 2012, 05:31 AM
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#459
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Member Group: Members Posts: 404 Joined: 5-January 10 Member No.: 5161 |
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Mar 10 2012, 08:50 PM
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#460
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Senior Member Group: Members Posts: 4246 Joined: 17-January 05 Member No.: 152 |
Another lovely low-Sun sequence coming down:
http://qt.exploratorium.edu/mars/opportuni...2M1.JPG?sol2888 |
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Mar 11 2012, 04:49 AM
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#461
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Senior Member Group: Admin Posts: 3108 Joined: 21-December 05 From: Canberra, Australia Member No.: 615 |
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Mar 11 2012, 05:35 AM
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#462
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Member Group: Members Posts: 691 Joined: 21-December 07 From: Clatskanie, Oregon Member No.: 3988 |
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Mar 11 2012, 08:53 AM
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#463
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Senior Member Group: Admin Posts: 3108 Joined: 21-December 05 From: Canberra, Australia Member No.: 615 |
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Mar 11 2012, 09:16 AM
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#464
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Member Group: Members Posts: 691 Joined: 21-December 07 From: Clatskanie, Oregon Member No.: 3988 |
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Mar 11 2012, 05:52 PM
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#465
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Junior Member Group: Members Posts: 98 Joined: 17-July 11 From: Pasadena, CA Member No.: 6066 |
Another lovely low-Sun sequence coming down: http://qt.exploratorium.edu/mars/opportuni...2M1.JPG?sol2888 We're trying for another one of those "spot Oppy's shadow on the hill's shadow in the distance" shots. It's a real eye-grabber for public outreach. The previous one had misaligned shadows, etc. that made it less cool. -m |
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