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djellison
Posted on: Jun 1 2009, 09:58 AM


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QUOTE (jamescanvin @ Jun 1 2009, 09:03 AM) *
with a guess on timescales for good measure. smile.gif


For the first time, ever, timescales have been put on a Map at UMSF without epic epic ustrax
  Forum: Opportunity · Post Preview: #141263 · Replies: 325 · Views: 233313

djellison
Posted on: Jun 1 2009, 08:02 AM


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Would this not be a more appropriate starting point?
http://marsairplane.larc.nasa.gov/multimedia.html#animations
  Forum: Past and Future · Post Preview: #141258 · Replies: 9 · Views: 14156

djellison
Posted on: May 31 2009, 11:55 AM


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This topic has been discussed - to the tune of seveal tens of thousands of words contribution from Don - here - http://www.unmannedspaceflight.com/index.p...0&start=320

My words in the last post of that thread stand. Please read them.
  Forum: Mars · Post Preview: #141219 · Replies: 19 · Views: 21350

djellison
Posted on: May 29 2009, 07:28 AM


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One thing is for sure - it's not a 'real' object out in space. Nothing could remain stationary like that.

Each wavelength is actually a different telescope, with different optics and a different CCD. What the explanation is, I don't know.
  Forum: Sun · Post Preview: #141142 · Replies: 9 · Views: 21057

djellison
Posted on: May 28 2009, 03:00 PM


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This will probably be the second time that Spirit has more power than the day she landed.Time to reopen the Gusev Crater Observatory and burn the midnight Whrs
  Forum: Spirit · Post Preview: #141118 · Replies: 1068 · Views: 609987

djellison
Posted on: May 28 2009, 07:46 AM


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18 tonnes of KSC-1 mars simulant, and the mobility test bed rover.
  Forum: Spirit · Post Preview: #141104 · Replies: 1068 · Views: 609987

djellison
Posted on: May 27 2009, 05:03 PM


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Seems like it's just going to be a wrap up of the primary mission by Rich Zurek.
  Forum: MRO 2005 · Post Preview: #141067 · Replies: 12 · Views: 13828

djellison
Posted on: May 27 2009, 04:57 PM


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QUOTE (mcaplinger @ May 27 2009, 04:35 PM) *
If that's the way you feel you should just close the thread.


OK.
  Forum: MSL · Post Preview: #141065 · Replies: 177 · Views: 121762

djellison
Posted on: May 27 2009, 03:04 PM


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This is my pre-emptive 'don't bitch and moan' warning.

It is what it is. Few people liked Spirit and Opportunity to begin with.

At least it now has a name - time to change the sub-forum title smile.gif
  Forum: MSL · Post Preview: #141056 · Replies: 177 · Views: 121762

djellison
Posted on: May 27 2009, 03:01 PM


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I can not wait for that dataset to be released - we animators have been waiting a LONG time for a good moon bump map smile.gif
  Forum: Lunar Exploration · Post Preview: #141055 · Replies: 502 · Views: 634857

djellison
Posted on: May 27 2009, 02:21 PM


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You've have noticed a Doppler shift on an AM sequence beep if Spirit had been surfing smile.gif
  Forum: MRO 2005 · Post Preview: #141050 · Replies: 12 · Views: 13828

djellison
Posted on: May 27 2009, 10:18 AM


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If it's earth-rocking, I'll text you smile.gif
  Forum: MRO 2005 · Post Preview: #141040 · Replies: 12 · Views: 13828

djellison
Posted on: May 27 2009, 08:42 AM


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If this is more gully-science, a little bit of me will probably die.

I'm wondering if it's old landers, or something interesting from CRISM.
  Forum: MRO 2005 · Post Preview: #141036 · Replies: 12 · Views: 13828

djellison
Posted on: May 27 2009, 08:23 AM


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It's one minute, not one degree - and on Mars, it's JUST under 1km.
  Forum: Opportunity · Post Preview: #141035 · Replies: 157 · Views: 120962

djellison
Posted on: May 26 2009, 06:53 PM


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They don't really look like the ones we've seen before.
  Forum: Spirit · Post Preview: #141019 · Replies: 1068 · Views: 609987

djellison
Posted on: May 25 2009, 10:05 PM


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As a piece of advice, your best bet, if you can't figure something out - is to google for it with the tag 'invision board' or something like that.
  Forum: Chit Chat · Post Preview: #140989 · Replies: 10 · Views: 10071

djellison
Posted on: May 25 2009, 02:44 PM


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I think they had only a few colours - so they bracketed wide ranges of values with the same colour. You can see the pencil lines where they drew the areas that they then coloured in...... i think.
  Forum: Image Processing Techniques · Post Preview: #140968 · Replies: 16 · Views: 16288

djellison
Posted on: May 21 2009, 03:53 PM


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QUOTE (Thu @ May 21 2009, 04:52 PM) *
Didn't they bring enough fuel for an extended mission?


No - they just left it behind. rolleyes.gif

We've already had an extended mission - we're in it right now.
  Forum: Lunar Exploration · Post Preview: #140835 · Replies: 502 · Views: 634857

djellison
Posted on: May 20 2009, 09:41 AM


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Onwards....
http://www.unmannedspaceflight.com/index.php?showtopic=6022
  Forum: Opportunity · Post Preview: #140780 · Replies: 184 · Views: 135302

djellison
Posted on: May 20 2009, 09:40 AM


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QUOTE (Tesheiner @ May 20 2009, 09:25 AM) *
Q&D


Quality and detail?

biggrin.gif


ONWARDS!
  Forum: Opportunity · Post Preview: #140779 · Replies: 157 · Views: 120962

djellison
Posted on: May 19 2009, 05:13 PM


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That ground scraping issue was why I had a go with my cruddy low-fidelity emulation (in here http://www.unmannedspaceflight.com/index.p...mp;#entry140354 ) of imaging the middle and rear wheels from the 'outside' rather than looking in. That under-belly shot is still going to be usefull and required though - to get that ground clearance data.
  Forum: Spirit · Post Preview: #140751 · Replies: 1068 · Views: 609987

djellison
Posted on: May 19 2009, 08:49 AM


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WOW - that's better than I was expecting!!!
  Forum: Spirit · Post Preview: #140713 · Replies: 1068 · Views: 609987

djellison
Posted on: May 18 2009, 10:02 PM


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They're in a Jiffy bag in the shed - I've been very naughty and not done anything with them - I'll try and take them to work tomorrow (I've moved offices and need an excuse to reinstall the scanner drivers)

D
  Forum: Chit Chat · Post Preview: #140697 · Replies: 4 · Views: 4520

djellison
Posted on: May 18 2009, 07:09 PM


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"How do you get a rover out of a sand trap"

Nothing

Useless.

  Forum: Chit Chat · Post Preview: #140685 · Replies: 11 · Views: 9230

djellison
Posted on: May 17 2009, 10:15 AM


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The rocking technique ( I've used it as well ) involves free-wheeling back to the bottom of the little trench you dig, then throttling back up. MER can't free wheel. Essentially, it would just be driving backwards and forwards in little steps. To me- that sounds like an excellent means of digging the wheels in further, without making any progress.
  Forum: Spirit · Post Preview: #140626 · Replies: 1068 · Views: 609987

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