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djellison
Posted on: Nov 29 2006, 09:46 PM


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Using the www.fnordware.com JP2 plugin - I'm getting "could not complete your request because JP2 file does not commence with a valid signature box"

Doug
  Forum: MRO 2005 · Post Preview: #76355 · Replies: 81 · Views: 88175

djellison
Posted on: Nov 29 2006, 09:30 PM


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QUOTE (Marz @ Nov 29 2006, 09:17 PM) *
is it possible to extrapolate the color for the rest of the image based on the one swath of colorized pixels?


It'd be artistic guesswork at best.

Doug
  Forum: MRO 2005 · Post Preview: #76352 · Replies: 81 · Views: 88175

djellison
Posted on: Nov 29 2006, 09:02 PM


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new images from Nov 29th discussed

here
http://www.unmannedspaceflight.com/index.php?showtopic=3525
  Forum: MRO 2005 · Post Preview: #76342 · Replies: 69 · Views: 51363

djellison
Posted on: Nov 29 2006, 09:00 PM


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I'll have to make a new Swear box for HiRISE.....these are just too much to take in without getting a little.... 'liguistically primative' smile.gif

And don't speak nonsense Jason - you're just trying to butter up some people so you can fly one of these to Io smile.gif

Doug
  Forum: MRO 2005 · Post Preview: #76340 · Replies: 81 · Views: 88175

djellison
Posted on: Nov 29 2006, 08:48 PM


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Well - I'm giving a talk on MERB in Manchester next Wednesday....hopefully the JP2 will have downloaded before then....it'll be a close run thing though.... kudos for the guys at HirOC for putting these out.

1700 Gigapixels.....I need a new swear box.

Doug
  Forum: MRO 2005 · Post Preview: #76334 · Replies: 81 · Views: 88175

djellison
Posted on: Nov 29 2006, 08:19 PM


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I wasn't expecting THAT..

http://hiroc.lpl.arizona.edu/images/PSP/PSP_001414_1780/

http://hiroc.lpl.arizona.edu/images/PSP/PS...1414_1780_a.jpg

http://hiroc.lpl.arizona.edu/images/PSP/PS...1414_1780_b.jpg

http://hiroc.lpl.arizona.edu/images/PSP/PS...1414_1780_c.jpg

Seriously - you have to WARN people before you release something like that smile.gif

Doug
  Forum: MRO 2005 · Post Preview: #76325 · Replies: 69 · Views: 51363

djellison
Posted on: Nov 29 2006, 02:24 PM


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QUOTE (Analyst @ Nov 29 2006, 12:47 PM) *
It was not less than Ares/Orion is promising.


Resuseable spacecraft ( at a level above that of just some onboard systems ), reuseable 1st stage..... Apollo was very different to the planned new vehicles w.r.t. sustainability.

doug
  Forum: Manned Spaceflight · Post Preview: #76306 · Replies: 16 · Views: 15097

djellison
Posted on: Nov 29 2006, 12:07 PM


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Well - the update was pushed and pushed to Nov 27th....today is the first day at which the date is later than the published data release date.....but I still see nothing new.

Doug
  Forum: Mars Global Surveyor · Post Preview: #76302 · Replies: 18 · Views: 71549

djellison
Posted on: Nov 28 2006, 08:38 AM


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QUOTE (dvandorn @ Nov 28 2006, 06:15 AM) *
overly-long Usenet discussion.


Is there any other sort smile.gif


Doug
  Forum: Lunar Exploration · Post Preview: #76210 · Replies: 10 · Views: 12595

djellison
Posted on: Nov 27 2006, 11:42 PM


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512 x 512 H264 QT anim


Doug
  Forum: Saturn · Post Preview: #76170 · Replies: 7 · Views: 12257

djellison
Posted on: Nov 27 2006, 09:16 PM


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MGS orbits at early-afternoon as far as the ground goes. Odyssey is a couple of hours later and thus sometimes visible at dusk, but it's just not possible for MGS.

Doug
  Forum: Mars Global Surveyor · Post Preview: #76147 · Replies: 259 · Views: 315054

djellison
Posted on: Nov 27 2006, 09:07 PM


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It would be odd for an array to have become detached wouldn't it...even if a solar array gimble went rogue and thrashed around flat out for days ( which I can't imagine being possible ) it wouldn't rattle anything loose would it?

If there's MGS 'bits' drifting around, perhaps a more likely situation was a low power situation and some sort of rapid outgassing ( I hate to use the word explosion ) through fuel freezing or something like that? A burst prop line chucking a few mylar blankets around would be a little more plausable I would have thought.

Doug
  Forum: Mars Global Surveyor · Post Preview: #76145 · Replies: 259 · Views: 315054

djellison
Posted on: Nov 27 2006, 07:31 PM


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Ominous reminders of the CoNTour accident.

Doug
  Forum: Mars Global Surveyor · Post Preview: #76138 · Replies: 259 · Views: 315054

djellison
Posted on: Nov 27 2006, 05:29 PM


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from http://www.livescience.com/blogs/2006/11/2...-mums-the-word/

Doug
  Forum: Mars Global Surveyor · Post Preview: #76128 · Replies: 259 · Views: 315054

djellison
Posted on: Nov 27 2006, 02:40 PM


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QUOTE (jmjawors @ Nov 27 2006, 02:29 PM) *
Anybody know when that release date might be?


Apart from the HiRISE team....probably not. Wont make the image arrive any quicker anyway smile.gif

I am REALLY looking forward to the Spirit one, the tracks should be much much more visible than for Opportunity - and hopefully I will at last get my head around a lost couple of months from West Spur to the Summit - never really 'got' the terrain and the route there....it'll be cool to drop this over the DEM as well smile.gif

Doug
  Forum: MRO 2005 · Post Preview: #76114 · Replies: 6 · Views: 8493

djellison
Posted on: Nov 27 2006, 12:31 PM


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Well - if you take MARCI, HiRISE, CRISM and MCS on MRO, you have basically covered or exceeded all of MGS's abilities with MOC2 NA, MOC2 WA and TES. MOLA was working passively having had a failure of the circuitry that 'pinged' the laser. We've also lost the MAG, but I don't know what, if any capacity to get similar data SHARAD and MARSIS have.

What we have really lost is repeatability and overlap. One of the key things that the most recent extension was being talked about as usefull for was revisiting site previously imaged by MOC to identify changes. Technically possible with HiRISE, but there is something to be said for doing repeat obs with the same instrument at the same local time. Also - one could do a 'scout' observation with MOC before turning on HiRISE to grab an image. Also - it would have been usefull to have MOC WA global coverage to overlap with the MARCI coverage as a 'transition' phase, and also to offer two daily sets of observations a couple of hours apart to identify motion etc.

Doug
  Forum: Mars Global Surveyor · Post Preview: #76110 · Replies: 4 · Views: 26580

djellison
Posted on: Nov 27 2006, 08:30 AM


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November 27, 2006

Another quick one tonight...

Spirit's on the move. We've done a nice little rotation to the right, and now we've got a bunch of new stuff within reach of the arm. We'll do our business here, and then it's going to be time to do some real driving. Everybody is really itching to start covering some ground again.

And on the other side of the planet Opportunity is on the move too. The pictures of the eastern of Cape Verde were specacular, and finished up our business at Cape St. Mary. We just did a 43-meter drive to the northeast, and there'll be more driving in the coming week... though it may be slowed down a little by a checkout of more of our new software. Once that software check is out of the way, our next target will be the southwestern side of a really big alcove that we've named Bottomless Bay, or Bahia sin Fondo. It's going to be like this for awhile, driving from one lookout on the rim of Victoria to the next, taking spectacular Pancam images of cliff faces.

One more thing: Keep your eyes peeled for some new images of both rover landing sites from our friends on the MRO HiRISE team. That's one heck of a camera they've got, and we're expecting some pretty spectacular new images soon.





from http://athena.cornell.edu/news/mubss/


  Forum: Forum News · Post Preview: #76105 · Replies: 7 · Views: 16257

djellison
Posted on: Nov 26 2006, 05:55 PM


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I've tried bribary with a poster, but still not sky hemisphere (LOCO, obviously) from Jim sad.gif

wink.gif

Doug
  Forum: Spirit · Post Preview: #76084 · Replies: 136 · Views: 129725

djellison
Posted on: Nov 26 2006, 03:12 PM


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Surely It will be carrying a dummy Orion, as it should be, to simulate the physical properties of the thing.

Doug
  Forum: Manned Spaceflight · Post Preview: #76078 · Replies: 16 · Views: 15097

djellison
Posted on: Nov 26 2006, 08:58 AM


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Without access to information such as TES or the MB and APXS work done recently, it is hard if not impossible to understand why they might or might not have done something you thought they should.

Doug
  Forum: Opportunity · Post Preview: #76063 · Replies: 52 · Views: 56931

djellison
Posted on: Nov 26 2006, 08:50 AM


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I would have thought they would drive to the other side of C St M first - to observe the outcrop on the near side of the next cape and THEN drive around the next bay onto that next cape from which to observe the northern outcrop of C St M and the Southern outcrop of the next Cape.

Enjoy Spain Stu smile.gif

Doug
  Forum: Opportunity · Post Preview: #76062 · Replies: 52 · Views: 56931

djellison
Posted on: Nov 25 2006, 07:39 PM


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Given that MRO moves south-to-north on the lit side of the planet, and that 38 degrees would something like 15 minutes, it makes a lot of sense.

Doug
  Forum: Opportunity · Post Preview: #76051 · Replies: 313 · Views: 213631

djellison
Posted on: Nov 25 2006, 09:30 AM


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The title makes sense - it was used to warm up the instrument before the critical Victoria observation.

Doug
  Forum: Opportunity · Post Preview: #76037 · Replies: 313 · Views: 213631

djellison
Posted on: Nov 24 2006, 04:35 PM


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That sounds about right - JB's Landing Site Workshop pres ( http://marsoweb.nas.nasa.gov/landingsites/...2-Bell_Gale.ppt ) puts the landing 20kx20k ellipse in the NW area of the crater floor, with a traverse to the south then east up the central peak.

Going on the Lat and Long - this HiRISE image would be toward the SE part of the ellipse

Doug
  Forum: MRO 2005 · Post Preview: #76001 · Replies: 69 · Views: 51363

djellison
Posted on: Nov 24 2006, 03:32 PM


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What do you think of it from an MSL landing point of view? It's JB's proposed site and I must admit I like it - BUT - I get the feeling that HiRISE has done to Gale the very same it will do to just about every sq. metre of Mars.....make it look too dangerous to land on.

1.5 to 0.25 m res may not be a HUGE difference, but somehow, (and not to belittle the achievments and importance of MOC2), a HiRISE image just makes immediate 'sense' at a human scale. That little crop looks like a photo taken out of an helecopter...I love it smile.gif

Doug
  Forum: MRO 2005 · Post Preview: #75995 · Replies: 69 · Views: 51363

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