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djellison
Posted on: Mar 24 2005, 09:48 PM


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QUOTE (atomoid @ Mar 24 2005, 09:38 PM)
So where is this esteemed Opportunity Route Map anyway, im lost in meridianni again, i found an old map but if Doug or someone has a static url with the map containing ongoing updates, or if it could be pinned to the start of this thread with the continually updated image, that would be terrific!
*

There's no such thing - JPL doesnt see fit to publish anything like that - Alan linked to his latest guestimate a few posts ago

Essentially - just north of the twin small craters at the edge of the etched terrain

Doug
  Forum: Opportunity · Post Preview: #7367 · Replies: 3597 · Views: 3531676

djellison
Posted on: Mar 24 2005, 07:59 PM


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QUOTE (aldo12xu @ Mar 24 2005, 05:27 PM)
Hi Doug,

I remember your saying that you use PTGui to create your panoramas.  I downloaded the program last night and tried to creat a 2 x 2 mosaic (2 rows, 2 frames per row).  Unfortunately, the resulting mosaic cut off the top half and right half of the original images. 

Can you tell me what settings I should use for the pancam and navcam photos?  That is, what focal length and lens size should I indicate.  Do I have to set the dimensions of the final panorama?

Thanks in advance,
Aldo.
*


Not sure I understand the problem - I just use 16.6 for pancam and 45 for Navcam - the other info ( sensor size, focal length etc ) are just ways to come to a degree value smile.gif

Doug
  Forum: Spirit · Post Preview: #7356 · Replies: 12 · Views: 14112

djellison
Posted on: Mar 24 2005, 03:37 PM


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Change maps smile.gif
Up until now - we have been plotitng our position on this image


http://www.msss.com/moc_gallery/r10_r15/im...5/R1502302.html

but the big drives of the last week mean its time to turn over and use THIS sheet

http://www.msss.com/moc_gallery/r10_r15/im...5/R1500822.html

smile.gif

Sadly - still nothing cproto of Victoria itself - I hope we'll see that in the next MSSS image release which I think is imminant

Doug
  Forum: Opportunity · Post Preview: #7339 · Replies: 3597 · Views: 3531676

djellison
Posted on: Mar 24 2005, 03:01 PM


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I have quite a bit of the Larrys Lookout pan - but not the interesting part looking at Ten.Val.

Doug
  Forum: Tech, General and Imagery · Post Preview: #7338 · Replies: 123 · Views: 99432

djellison
Posted on: Mar 24 2005, 12:53 PM


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Frankly - it should have been closed all the time - it was quite worrying that we could snoop around the APXS and Mossbauer data 6 months ahead of time.

Sols 180 - 270 are due in a month anyway smile.gif

Doug
  Forum: Tech, General and Imagery · Post Preview: #7330 · Replies: 123 · Views: 99432

djellison
Posted on: Mar 24 2005, 10:42 AM


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Looks like the special URL's for RAD images ahead of release have been shutdown

Doug
  Forum: Tech, General and Imagery · Post Preview: #7326 · Replies: 123 · Views: 99432

djellison
Posted on: Mar 24 2005, 09:50 AM


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I love it when a spacecraft gets to KSC - the ammount of pictures they take of it is extraordinary smile.gif

Doug
  Forum: MRO 2005 · Post Preview: #7322 · Replies: 7 · Views: 10687

djellison
Posted on: Mar 24 2005, 09:50 AM


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I think we'll see a dedicated dust devil imaging campaign soon - in which ever filter best shows them - images every 10 seconds or so for a few minutes.

Doug
  Forum: Spirit · Post Preview: #7321 · Replies: 436 · Views: 286779

djellison
Posted on: Mar 24 2005, 09:11 AM


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These are all calibration images - and the auto-stretch that gets dumped onto all images going on the JPL or Exploratorium webpages makes them look like hell - when in actual fact they're little more than a few slightly off-black pixels.

Doug
  Forum: Spirit · Post Preview: #7318 · Replies: 6 · Views: 7490

djellison
Posted on: Mar 24 2005, 08:47 AM


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Looks just like the fore-shortening of looking at a track over a crest.

Doug
  Forum: Opportunity · Post Preview: #7316 · Replies: 11 · Views: 8121

djellison
Posted on: Mar 23 2005, 10:26 PM


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Is the smallest Atlas V much cheaper than the top notch single-core one that NH is using?

Perhaps scope to be a secondary payload on a Atlas V / Delta IV Heavy / Ariane 5 (swop the student dust-counter mass/volume/data budget for an instrument of european origin in exchange for a launch vehicle)
Doug
  Forum: New Horizons · Post Preview: #7280 · Replies: 93 · Views: 143220

djellison
Posted on: Mar 23 2005, 04:33 PM


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Looks like we're getting quite close to the V-twins now..

They are almost line asturn in the first image

http://qt.exploratorium.edu:16080/mars/opp...23P2392L2M1.JPG

http://qt.exploratorium.edu:16080/mars/opp...23P2392L2M1.JPG

Odd filter choice for end-of-drive imaging, usually it's L7+R1 3 x 1 in the drive direction.

things look particularly exciting in the first image looking toward Albert ohmy.gif

Doug
  Forum: Opportunity · Post Preview: #7258 · Replies: 3597 · Views: 3531676

djellison
Posted on: Mar 23 2005, 04:28 PM


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Ahh - good 'ol Shake and Bake.

I saw the flight structure for a comm sat undergo a launch simulation shake about 7 years ago. Astonishing noise - the sort of noise that you can feel in oyur stomach. How such precise delicate machines can be designed to withstand extremes of acceleration, heat and pressue is one of the miracles of modern science.

Doug
  Forum: New Horizons · Post Preview: #7256 · Replies: 1628 · Views: 1114094

djellison
Posted on: Mar 23 2005, 02:55 PM


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Yes - that 3d model they've generated of Endurance is fantastic - a VRML or other 3d format of that would be fantastic to render up in different lighting conditions etc.

For the same reason I yearn to have a 3d model of the Columbia Hills - a 3d model of Endurance would be a fantastic way to show the route Opportuinty took within the crater, and understand the terrain, the slopes and the targets it visited in there.

Doug
  Forum: Tech, General and Imagery · Post Preview: #7249 · Replies: 66 · Views: 53540

djellison
Posted on: Mar 23 2005, 02:25 PM


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QUOTE (wyogold @ Mar 22 2005, 04:32 PM)


Thats a cracking image - there's a bit more in the mosaic as well - I think it's actually 5 x 2 in L257. When the rad's are up - I'll sort something out, I really like it.

Doug
  Forum: Spirit · Post Preview: #7247 · Replies: 302 · Views: 140255

djellison
Posted on: Mar 23 2005, 11:25 AM


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Spirit did this once near Middle Ground - shuffle back and forward quite a lot. It saw a big rock and got scared.

Perhaps Oppy is identifying the ridge of each dune as a hazard of sorts.

Doug
  Forum: Opportunity · Post Preview: #7242 · Replies: 104 · Views: 56564

djellison
Posted on: Mar 23 2005, 11:07 AM


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QUOTE (David @ Mar 23 2005, 03:57 AM)
Those are, left to right, Rhea, Dione, and Mimas, right?
*


Dont look at me - I havnt got a clue smile.gif

Doug
  Forum: Cassini general discussion and science results · Post Preview: #7238 · Replies: 82 · Views: 82776

djellison
Posted on: Mar 23 2005, 09:37 AM


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I wonder if it might make sense - if they get much bigger - to direct blind-drives straight down the middle of these - to save the effort of clambering across them.

Perhaps they could drive accurately enough to drive on the western side of a dune - so as to give a favourable western tilt during the afternoon for better solar power - and then shift that to the other side at the end of the drive for a better power budget the following morning smile.gif

Doug
  Forum: Opportunity · Post Preview: #7234 · Replies: 104 · Views: 56564

djellison
Posted on: Mar 22 2005, 09:23 PM


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I guess this is what made Sojourner so 'cute'. We could actually see it driving around with Justin Maki's 'rover movies'.

I so desperately want to see a 1 x 1 x 456 pancam image taken from about 10m away from Spirit - hell - even if it was just a pancam unit on a little platform that could be dropped by the rover, and a cable reeled out. Sadly - it would be of no scientific value and a waste of resources.

Who knows - perhaps one of the MSL's will land in Meridiani and might image Opportunity from afar. MRO might help a bit - a few colour pixels of rover will be nice.

One day - an astronaut - probable one of our children, will walk on mars and see Sojourner and Pathfinder - and perhaps bring Sojourner home.

Doug
  Forum: Opportunity · Post Preview: #7214 · Replies: 104 · Views: 56564

djellison
Posted on: Mar 22 2005, 09:13 PM


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testing attachments smile.gif
  Forum: Spirit · Post Preview: #7213 · Replies: 8 · Views: 9122

djellison
Posted on: Mar 22 2005, 04:41 PM


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QUOTE (Sym05 @ Mar 22 2005, 04:38 PM)
"Similar"  image found at spacedaily hompage with no credits given...
Plese refer to Live Dust Devil thread for legal informations  biggrin.gif


Well - it helps that Simon is Space Daily smile.gif So he posted a link to his own image and then used it on his own site smile.gif

Doug
  Forum: Spirit · Post Preview: #7188 · Replies: 8 · Views: 9122

djellison
Posted on: Mar 22 2005, 03:14 PM


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Told you we might drop a few posts on the way in the move.... it's a bit slow at the moment but that should improve





Doug
  Forum: Cassini general discussion and science results · Post Preview: #7178 · Replies: 82 · Views: 82776

djellison
Posted on: Mar 22 2005, 10:49 AM


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Nope - that is as big as it gets. They were 1024 x 1024 obviosuly, but that's simply a crop from that - there's just black around the outside smile.gif

I actually resized it 200% to better align the channels, then resize back down to the size you see there - but that's all there is imagesize wize.

Doug
  Forum: Cassini general discussion and science results · Post Preview: #7174 · Replies: 82 · Views: 82776

djellison
Posted on: Mar 21 2005, 09:21 PM


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If they ARE V'n'V then we're about 50m away - and have covered hundreds and hundreds of metres in the past 3 odd sols

Doug
  Forum: Opportunity · Post Preview: #7151 · Replies: 104 · Views: 56564

djellison
Posted on: Mar 21 2005, 05:13 PM


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QUOTE (slinted @ Mar 21 2005, 05:10 PM)
We may have another! The near-horizon navcam subframes that have been taken lately might have captured another dust devil.

Spirit, Sol 431
Source Navcam File (2N164622098ESFA8B3P1954R0M1.JPG)


The above image is cropped, and brightness adjusted from the original
At this time, the L frame isn't down yet, when it is it will help corroborate this.

But it can be seen 36 seconds earlier

http://qt.exploratorium.edu:16080/mars/spi...B3P1956L0M1.JPG

If they really did a couple of images at 36s intervals ( something I was actually thinking of earlier - do 1024 x 128 images every 30s for 30 minutes one afternoon. ) - we could actually have a devil movie here

Doug
  Forum: Spirit · Post Preview: #7142 · Replies: 436 · Views: 286779

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