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djellison
Posted on: Sep 30 2008, 09:12 AM


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It's from the HRSCView website - from MEX HRSC data. Honestly, the data really isn't that good.

DOug
  Forum: Opportunity · Post Preview: #127206 · Replies: 325 · Views: 233313

djellison
Posted on: Sep 29 2008, 09:48 PM


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Planetary Radio with.... ME smile.gif (And Veronica)
http://planetary.org/radio/show/00000308/

Doing a tiny interview with Veronica was actually my highlight of the week. I think I might do things more that way in the future.

This : http://www.uniscience.tv/index.html?ac=1222724959 : was a really great project by Europlanet. Look for 'Pensive Doug' and 'Doug hanging around behind Tom Spilker waiting for the camera to go away' (http://www.uniscience.tv/monday1.html) in some of the videos smile.gif

Oh - and I have three words for you...

Random
Space
Fact

wink.gif

Doug
  Forum: Conferences and Broadcasts · Post Preview: #127181 · Replies: 26 · Views: 20434

djellison
Posted on: Sep 29 2008, 09:04 PM


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I would say at the moment we're on restricted sols.

Doug
  Forum: Opportunity · Post Preview: #127174 · Replies: 208 · Views: 152688

djellison
Posted on: Sep 29 2008, 08:22 PM


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I don't think this was an example of the drunken sailor walk - but that's what they called it when the rover stopped quite regularly to give autonav / visidom something to see.

Doug
  Forum: Opportunity · Post Preview: #127168 · Replies: 208 · Views: 152688

djellison
Posted on: Sep 29 2008, 08:08 PM


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Drunken sailor walk smile.gif

I don't think the rover motors would overheat. With 900+Whrs during high summer, the WEB may get to an overheating situation ( as happened at the summit of Husband Hill briefly ) - but the rover motors are so exposed that I find it hard to believe they could get warm to the point of being worrying.

Doug
  Forum: Opportunity · Post Preview: #127166 · Replies: 208 · Views: 152688

djellison
Posted on: Sep 29 2008, 08:05 PM


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QUOTE (centsworth_II @ Sep 29 2008, 07:05 PM) *
Obvious question: Can this be fixed on the upcoming repair mission?


Obvious indeed. What is also obvious is that it's in breach of forum rules.

Please read http://www.unmannedspaceflight.com/index.p...;showtopic=5444
Specifically

"The hubble servicing mission is off topic"

Thus, topic closed, several posts deleted.
  Forum: Telescopic Observations · Post Preview: #127164 · Replies: 2 · Views: 5331

djellison
Posted on: Sep 29 2008, 06:18 PM


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smile.gif They took that quote off my slides from the EPSC Outreach session.

I'll give you the full quotes from Steve and Jim...

"It is exactly so people could do what you're doing - follow along, share the ride, enjoy the adventure at whatever level you wanted to whether it's click and look at the pictures or go off and try to do something of substance with them.  To have seen it work out the way it has - I'm just thrilled." - SS

"Frequently I'll get up in the morning and the first place I go is Unmannedspaceflight because I know I'm going to get the mosaics there rather than just raw images if I go through all the firewalls to the JPL website because nobody in Pasadena's even woken up yet.  I did it this morning to see how our drive went." - SS

"Among your troops, I am convinced, are a large number of my future colleagues--people who will make future planetary science discoveries, lead future instrument and mission teams......I want us to do everything we can, as professionals, to nurture those interests and to help reel in others (of any age!) who are hooked by this stuff as well." - JB.


Doug
  Forum: Conferences and Broadcasts · Post Preview: #127148 · Replies: 4 · Views: 5103

djellison
Posted on: Sep 29 2008, 02:04 PM


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QUOTE (BrianL @ Sep 29 2008, 01:06 PM) *
Interesting comment. Perhaps I'm reading too much into it, but it sounds like ...


"How far can we go?" not "Can we go more than 220m?"

Doug
  Forum: Opportunity · Post Preview: #127118 · Replies: 208 · Views: 152688

djellison
Posted on: Sep 28 2008, 09:40 AM


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Changed the name of this thread to reflect what it's really about smile.gif
  Forum: Opportunity · Post Preview: #127017 · Replies: 871 · Views: 651398

djellison
Posted on: Sep 28 2008, 09:39 AM


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QUOTE (RoverDriver @ Sep 28 2008, 01:40 AM) *
One of the tricks we will probably use during this adventure.


Ahhh ( going onto guess mode )

Driving limited perhaps by time rather than power - so if you forgo the imaging at the end of the drive before stopping for the PM UHF pass, you can get more drive time into the schedule.

Do this when on restricted sols and you can pre-estimate Sol N+2's drive from engineering and HiRISE - and give it a go/no go when you get the post drive imaging on Sol N+1

Just guessing smile.gif

Doug
  Forum: Opportunity · Post Preview: #127016 · Replies: 208 · Views: 152688

djellison
Posted on: Sep 28 2008, 09:36 AM


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That's going to be the OFB surely?
  Forum: Phoenix · Post Preview: #127014 · Replies: 279 · Views: 225738

djellison
Posted on: Sep 28 2008, 09:34 AM


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Yup - it's very VERY good - I actually met up with Andy Chaikin in June to have a chat about it ( but couldn't say anything until it was released ) hopefully there will be an interview on Planetary Radio in the not too distant future!

Doug
  Forum: Books and Products · Post Preview: #127013 · Replies: 156 · Views: 285237

djellison
Posted on: Sep 27 2008, 07:16 PM


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Not surprising - after all, it's how we got our moon!

Doug
  Forum: Telescopic Observations · Post Preview: #126972 · Replies: 6 · Views: 7004

djellison
Posted on: Sep 26 2008, 07:30 PM


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QUOTE (Burmese @ Sep 26 2008, 06:14 PM) *
like a spare MER that is cheap


There is no spare MER. MER was not cheap. There is nothing to launch it on. And given that money problems already exist in the Mars program - what, exactly, do you want to use to buy it all?


Doug
  Forum: MSL · Post Preview: #126906 · Replies: 86 · Views: 76161

djellison
Posted on: Sep 25 2008, 08:07 PM


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Emily was kind enough to be my copy-editor, picture-editor, arbitrator of facts - she dropped that image in smile.gif
  Forum: Rosetta · Post Preview: #126833 · Replies: 309 · Views: 321770

djellison
Posted on: Sep 25 2008, 08:00 PM


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Want to get personal - take it elsewhere. First and final warning for all. No debate.
  Forum: Voyager and Pioneer · Post Preview: #126830 · Replies: 54 · Views: 81178

djellison
Posted on: Sep 25 2008, 08:21 AM


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One thing I would say - is that 500 days of driving, with 1 meg route maps every day - is half a gigabyte of forum attachments.

I really don't think that a new attachment ever single day is the best way to do this. I'm not turning up the maximum attachment size - sorry - I have to back this forum up - so every single attachment everyone has ever downloaded - I have to download it on a regular basis to ensure a full, re-installable backup of the forum.

FWIW - I really don't think we need a context map every time. It's superfluous. Maybe one every month or something, or one each time the background map moves?

I don't think we need the current map to be 2k x 4k. 2k x 2k would be fine - and significantly smaller on file size.
  Forum: Opportunity · Post Preview: #126788 · Replies: 3597 · Views: 3531676

djellison
Posted on: Sep 24 2008, 01:10 PM


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"at anytime we could need a path change"

Which is why we need to try and get some sort of survey done before we leave the Victoria Annulus smile.gif
  Forum: Opportunity · Post Preview: #126717 · Replies: 871 · Views: 651398

djellison
Posted on: Sep 24 2008, 01:00 PM


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1kg, even picked arbitrarily, is a good figure as it puts it into the same sort of project scope as a cube-sat, which many universities can finance and fly themselves. Big enough to work, small enough not to be a burden on the lander.

Doug
  Forum: Exploration Strategy · Post Preview: #126715 · Replies: 6 · Views: 10397

djellison
Posted on: Sep 24 2008, 12:41 PM


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Somehow, I ended up giving my talk twice. (it got moved, and I think some people arrived at it's orig. time to see it, so I was asked to do it again )

It went down fairly well - and maybe it's just me, but Lebreton and Foing seemed far more positive this year than last year.
  Forum: Conferences and Broadcasts · Post Preview: #126711 · Replies: 26 · Views: 20434

djellison
Posted on: Sep 23 2008, 10:05 PM


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For the laypeople among us (that's me) - is that sort of pattern essentially why dunes disappear when I've zoomed out to a certain point.

So - 100% - the flat parts look flat, everything else looks lumpy
Zoom out a bit - maybe 25% - the smaller, navigable dunes vanish, but the bigger scarier dunes are still obvious
Zoom out to 6.25% and it's almost all smooth

Doug
  Forum: Opportunity · Post Preview: #126644 · Replies: 871 · Views: 651398

djellison
Posted on: Sep 23 2008, 08:18 PM


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The Lazarus mode has been discussed for a long time. I don't think anyone is expecting it to realistically come into play, but it's just common sense to put the code in there to give the vehicle a chance were that situation to arise.

Doug
  Forum: Phoenix · Post Preview: #126626 · Replies: 416 · Views: 293277

djellison
Posted on: Sep 23 2008, 08:12 PM


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Give me questions to ask him - I may or may not make it to the poster session tomorrow (as it will be post-outreach-sessions and thus we'll be wanting to hit a restaurent ) but if I do - I'll ask him.

Doug
  Forum: Conferences and Broadcasts · Post Preview: #126623 · Replies: 26 · Views: 20434

djellison
Posted on: Sep 23 2008, 04:15 PM


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QUOTE (marsophile @ Sep 23 2008, 05:13 PM) *
It might help to have a collection of example HIRISE images of the terrain that has already been driven over,


Phil already did that.
  Forum: Opportunity · Post Preview: #126596 · Replies: 871 · Views: 651398

djellison
Posted on: Sep 23 2008, 02:06 PM


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Well - shape from shading with ISIS would work to a degree, but to be honest, human judgement is probably best.

Doug
  Forum: Opportunity · Post Preview: #126583 · Replies: 871 · Views: 651398

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