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djellison
Posted on: Mar 11 2005, 01:18 PM


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His company has done excellent work to make instruments (HDTV based) for RMS Titanic expeditions - no harm in him being onboard.

Missions are often critisized for not making things accesable enough to the public - he's the top man to rectify that situation I'd have thought.

He's not an out and out scientists - but he's got the skill sets in himself and his company to make a genuine BIG contribution to MSL imho

Doug
  Forum: Past and Future · Post Preview: #6510 · Replies: 15 · Views: 11454

djellison
Posted on: Mar 11 2005, 12:49 PM


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He's part of the MSSS team working on the MSL instruments ( particularly Mastcam and the Des imager I believe )

Doug
  Forum: Past and Future · Post Preview: #6502 · Replies: 15 · Views: 11454

djellison
Posted on: Mar 11 2005, 11:00 AM


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I think actually - that's highly unlikely. The Voyager/Ulysses funding is a totally seperate pot of cash to the Mars Program - and if nothing else - having two rovers on mars is an excellent way to train people for future missions w.r.t. planning, operations, communication, colaboration, long term planning and so forth - some excellent modes of practice are being put in place that will only benefit ( and save money ) future missions

They only shut down one of the viking landers iirc - and then only by accident smile.gif The other just died.

FWIW - I think we'll find that the public outrage and turning functioning probes off will save Voyager, Ulysses - and the others.

Doug
  Forum: Spirit · Post Preview: #6489 · Replies: 436 · Views: 286779

djellison
Posted on: Mar 11 2005, 10:58 AM


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All the Donington stuff was done straight in PTGui - infact those panoramas are what taught me how to do the whole mosaic stitching 'thing'.

I've never been able to get Navcam to stitch well - it's just too wide an angle - the camera bar moves so much between frames that there is a different perspective at the overlap of frames

Which gives me an idea - why not have your mast mounted camera so that the camera used most often for imaging (i.e. left with MER ) - is over the rotational axis ot the mast - that would reduce parallax effects to a degree

doug
  Forum: Tech, General and Imagery · Post Preview: #6488 · Replies: 26 · Views: 18137

djellison
Posted on: Mar 11 2005, 10:12 AM


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The atmospheric opacity goes up and down like an excited puppy anyway. Regional and local dust-storms give it trends - but it jumps about from .8 to 1.5 over a period of sols as it is.

But - looking at the Navcam imagery - Spirit's obviously had a cleaning event much like opportunity - that that is BRILLIANT news.


Doug
  Forum: Spirit · Post Preview: #6483 · Replies: 436 · Views: 286779

djellison
Posted on: Mar 11 2005, 10:08 AM


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Essentially the whole things enters in an aeroshell as usual - drops the heatshield, drops the backshell and enters a viking like terminal des. phase - but comes to a hover about 5m off the ground. The paylod ( rover in this case ) is then dropped down on cables, the cables are cut, and the crane flys off.

Some people think it's stupid and will never work

10 years ago - people thought the same thing regarding the three-body chute-backshell-airbag mechanics for MPF and MER smile.gif

Doug
  Forum: MSL · Post Preview: #6482 · Replies: 289 · Views: 203304

djellison
Posted on: Mar 11 2005, 10:03 AM


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It's a good read smile.gif

Doug
  Forum: Past and Future · Post Preview: #6481 · Replies: 15 · Views: 11454

djellison
Posted on: Mar 11 2005, 07:47 AM


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MRO's swath width is ENORMOUS!



6km width - which is 4x that of MGS smile.gif

Doug
  Forum: MRO 2005 · Post Preview: #6470 · Replies: 18 · Views: 22434

djellison
Posted on: Mar 11 2005, 07:43 AM


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If I ban myself - lots of strange things happen and anyone who's reading the forum has a small event horizon appear on their monitor as the screen shrinks to the size of a stamp, then vanishes down the hole in the middle.

Somehow - with finishing a big project at work, seing a dust devil - then another one - then seing the powerhike, I'm in a really odd party mood. I really want to have MER party !! smile.gif

Doug
  Forum: Tech, General and Imagery · Post Preview: #6469 · Replies: 26 · Views: 18137

djellison
Posted on: Mar 11 2005, 07:41 AM


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OK- so how do we GET these meshes - they'd make cool VRML thingies smile.gif

Doug
  Forum: Tech, General and Imagery · Post Preview: #6468 · Replies: 66 · Views: 53540

djellison
Posted on: Mar 11 2005, 07:40 AM


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I used the 4,5,7 ( from the "oh right- if I put the right sort of numbers in that URL then I get the RAD or RAT files... place )

Doug
  Forum: Opportunity · Post Preview: #6467 · Replies: 6 · Views: 5071

djellison
Posted on: Mar 11 2005, 01:02 AM


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wooOOoooowoooOOoooowaooowooo AT THE CAR WASH......

I've just wrapped up the biggest chunk of a huge animation project at work which I've had to do on my own that's involved a LOT of late nights and the client loves it - then Spirit spots a Dust Devil. Then another one. THE gets a doubling in power budget

Today = good day.

Doug
  Forum: Spirit · Post Preview: #6432 · Replies: 436 · Views: 286779

djellison
Posted on: Mar 11 2005, 12:59 AM


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As a drunken student at boarding school in the late '90s - a favorite cotswold past time of ours was cow-tipping.

Go out at about 2am and start making cows fall over.

It was cruel, it was unfair, it was naughty.

But my GOD it was funny!

Doug
  Forum: Tech, General and Imagery · Post Preview: #6431 · Replies: 26 · Views: 18137

djellison
Posted on: Mar 11 2005, 12:56 AM


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You're joking.

are you?

Actually - looking at the 'darkness' of the cells on those navcam images, I dont think you are!

Doug
  Forum: Spirit · Post Preview: #6429 · Replies: 436 · Views: 286779

djellison
Posted on: Mar 11 2005, 12:36 AM


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What we need is one to come OVER HERE.....HELLOOO....YES YOU....GOT SOME NICE DIRTY SOLAR ARRAYS FOR YOU smile.gif

Likes buses - you wait 14 months then 2 come along at once - is it likely to be the same one photographed twice that far apart in only 80-something seconds? Theres a couple of km between the two locations, and MOC has often captured two or more devils in one image from orbit.


Doug
  Forum: Spirit · Post Preview: #6426 · Replies: 436 · Views: 286779

djellison
Posted on: Mar 11 2005, 12:35 AM


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http://www.djellison.plus.com/don_pan/

Some pans I did up at Donington Park

Sadly, my Minolat Dimage 5 is beginning to get thru batteries like anything - as one last hurrah I'm going to make an external battery pack for it smile.gif


Doug
  Forum: Tech, General and Imagery · Post Preview: #6425 · Replies: 26 · Views: 18137

djellison
Posted on: Mar 11 2005, 12:31 AM


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For what it's worth ( which is sod all )



Thats the Sol 295 from Oppy.
  Forum: Opportunity · Post Preview: #6424 · Replies: 6 · Views: 5071

djellison
Posted on: Mar 10 2005, 11:21 PM


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At LAST - they've actually GOT one smile.gif

Nice find tongue.gif

Here - have a mars bar tongue.gif

Doug
  Forum: Spirit · Post Preview: #6407 · Replies: 436 · Views: 286779

djellison
Posted on: Mar 10 2005, 07:46 PM


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PhotoshopCS - and www.ptgui.com

biggrin.gif

Doug
  Forum: Tech, General and Imagery · Post Preview: #6394 · Replies: 26 · Views: 18137

djellison
Posted on: Mar 10 2005, 07:43 PM


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Thats just internal reflection/refraction on the camera optics

Doug
  Forum: Spirit · Post Preview: #6393 · Replies: 1 · Views: 3980

djellison
Posted on: Mar 10 2005, 11:38 AM


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QUOTE (ObsessedWithWorlds @ Mar 10 2005, 09:46 AM)
And what about Ulysses? Doesn't ESA have a say in the decision process? It's their probe! Or are they just talking about cutting the US involvement?

The US involvement including - as it does - DSN support so we can talk to the bloody thing smile.gif

I'm not going to get anti-manned flight on everyone - and I do think there's value in the ISS if for nothing more than the very experience of working in space and working internationally - but there's a LOT that's wrong with it and a lot that should be done differently.

The proposals for the follow on are just a farce - so complex and un-un-necessary. So many diferent modules and launch vehicles - it's a joke.

Doug
  Forum: Cometary and Asteroid Missions · Post Preview: #6362 · Replies: 8 · Views: 10111

djellison
Posted on: Mar 10 2005, 08:57 AM


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You know something - I always thought "well - they're running Voyager till they're totally dead - they'd NEVER turn off working rovers"

Now there's just a hint of doubt in my mind. I still cant imagine them doing it - but it DOES set a dangerous precident.

Doug
  Forum: Cometary and Asteroid Missions · Post Preview: #6358 · Replies: 8 · Views: 10111

djellison
Posted on: Mar 9 2005, 11:24 PM


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A bit of light driving over rubble probably rattled the dust off smile.gif

Doug
  Forum: Spirit · Post Preview: #6332 · Replies: 14 · Views: 11990

djellison
Posted on: Mar 9 2005, 08:02 PM


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I dont have the raw processing power to do full 360 pans with 60+ images in them. I thikn 13 x 3 is my record - and that was plenty big enough.

BUT

give me a dual 3.4G Xeon workstation with 4gb of Ram and a load of SCSI hdd's - and I'd do this stuff all day every day.

smile.gif

Doug
  Forum: Spirit · Post Preview: #6319 · Replies: 14 · Views: 13054

djellison
Posted on: Mar 9 2005, 07:59 PM


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I'm all out of mars bars now ohmy.gif

The crater I'm talking about is just outside the landing ellipse about 15-20km away smile.gif

Doug
  Forum: Opportunity · Post Preview: #6318 · Replies: 3597 · Views: 3531676

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