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djellison
Posted on: Mar 5 2007, 06:01 PM


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That's sweet smile.gif
  Forum: Cassini general discussion and science results · Post Preview: #85320 · Replies: 18 · Views: 24534

djellison
Posted on: Mar 5 2007, 05:58 PM


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QUOTE (mcaplinger @ Mar 5 2007, 07:35 AM) *
blaming ESA for any lack of data release doesn't seem appropriate to me.


QUOTE
I don't moind a delay


Just some updated info would be nice.

As for raw image release, going after MER like stuff would be like trying to climb Everest when ESA can't get over a speed-bump and you only want to climb Ben Nevis to be happy. Baby steps first.

Doug
  Forum: Exploration Strategy · Post Preview: #85319 · Replies: 222 · Views: 138899

djellison
Posted on: Mar 5 2007, 06:56 AM


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QUOTE (mcaplinger @ Mar 5 2007, 01:09 AM) *
the data were delivered to PDS in July 2006


http://pds-atmospheres.nmsu.edu/data_and_s...ygens/DISR.html

http://pds-atmospheres.nmsu.edu/data_and_s...uygens/SSP.html

Everything else is there - but these two remain MIA.

Personally - with a one-off dataset like Huygens, I don't moind a delay - but I do mind not being told when it will actually be available and what the problem is.

Doug
  Forum: Exploration Strategy · Post Preview: #85284 · Replies: 222 · Views: 138899

djellison
Posted on: Mar 5 2007, 06:53 AM


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Remember - sometimes there might be two good UHF passes than can do more than 150 Mbits in a single sol, and sometimes only one poor UHF pass that can only do 50 Mbits.

Also - there is not just science data. They might want to downlink a large ammount of the housekeeping data involved in autonomous driving or other diagnostics. Mini-TES can produce a huge ammount of data, and the size of a JPG on the Exploratorium doesn't really tell the full story - it might have been sent as anything from 12:1 compression or more - up to near uncompressed LOCO. You can often see when an image is really really compressed in the JPGS - but the less compressed ones you wouldn't be able to tell.

Doug
  Forum: Opportunity · Post Preview: #85283 · Replies: 152 · Views: 122463

djellison
Posted on: Mar 4 2007, 10:11 PM


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Oh - just to make it a bit more idiotic, in each case, I've opened it, read the first line, and thrown it away because I know I read the full text about 3, 4 days earlier on the web.

Doug
  Forum: Exploration Strategy · Post Preview: #85272 · Replies: 222 · Views: 138899

djellison
Posted on: Mar 4 2007, 09:57 PM


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Just for a bit of a laugh...

Because I registered with the ESA Press Office in Paris for the Rosetta event...I now recieve, typically two a week, printed copies of all their press releases, by post.

Now - ignoring the madness of not just emailing these things out, the cost alone must be astronomical, I've had four so far, postage to the UK from Paris, etc etc - couple of Euros probably. If they keep up this rate it'll be something like 40 Euros a year. Multiply that by the number of press they've probably got registered....you've got a new outreach position you could pay for.

All a bit old school really.

Doug
  Forum: Exploration Strategy · Post Preview: #85269 · Replies: 222 · Views: 138899

djellison
Posted on: Mar 4 2007, 07:10 PM


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I'm having a serious think about this one...I want to speak to some people, consider something a bit more proactive than a petition or mass emailing. I'll get back to you smile.gif

Doug
  Forum: Exploration Strategy · Post Preview: #85257 · Replies: 222 · Views: 138899

djellison
Posted on: Mar 4 2007, 10:35 AM


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On principle, hydrazine thrusters ARE simpler than a steam engine smile.gif

Heat the cat, open the valve...bingo.

Doug
  Forum: Phoenix · Post Preview: #85221 · Replies: 4 · Views: 8352

djellison
Posted on: Mar 3 2007, 11:13 PM


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Just for fun... D400 with 75-300mm lens, ISO100 and 1/5th sec.
  Forum: Saturn · Post Preview: #85188 · Replies: 15 · Views: 19920

djellison
Posted on: Mar 3 2007, 11:08 PM


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QUOTE (ustrax @ Mar 3 2007, 09:34 PM) *
Ask your neighbours what they expect to see from Rosetta...


Rowhat?

90%+ of Europeans will go "What?...what's Rosetta?"

It's an adveture for the people involved, but they are not involving anyone else. They should, they must, and to date, they are not.

We're covering the same ground again and again, but I will repeat it. I'm proud of what ESA is doing, I'm ashamed of how it's keeping people informed about it.

Doug
  Forum: Exploration Strategy · Post Preview: #85187 · Replies: 222 · Views: 138899

djellison
Posted on: Mar 3 2007, 07:50 PM


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QUOTE (ustrax @ Mar 3 2007, 07:41 PM) *
I believe that most of the people has just bad will towards ESA...


Read what I've written. Read what other people have written. There is universal kudos and credit toward the achievments of ESA...or at lteast, towards the achievments they are prepared to tell us about. How's VEX doing by the way?

This is all about how they share those achievments, how much information they share with people, how much scientific data they release and when they release it.

WHERE IS THE SMART 1 DATA?

huh?

Where?

That's not bad will - that's something I was promised would be happening "in a few weeks" last October.

Do you find that acceptable? Do you think the level of public awareness of VEX is acceptable? Do you think the 1/6th of the CIVA images, one sequence from OSIRIS plus a tiny crop of another and NOTHING from Alice or Virtis is the best they can do for the Mars flyby?

For someone clearly so passionate about space exploration as yourself - it genuinely defies all understanding that you would consider ESA to be doing a good job of outreach and data release. Genuinely, I can not understand where you are coming from. It's like your speaking about a parallel universe where things are the opposite of what they are here. Is there some secret ESA website that only you know about where 10,000 Smart 1 images and a swathe of VEX results have been release or something?

QUOTE
to take us there.


They're going - but with outreach and data releases like they are now, they're leaving the rest of us very much behind.

Doug
  Forum: Exploration Strategy · Post Preview: #85176 · Replies: 222 · Views: 138899

djellison
Posted on: Mar 3 2007, 07:28 PM


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You're talking about a flagship mission, which ever way you look at it.

Doug
  Forum: Uranus and Neptune · Post Preview: #85173 · Replies: 177 · Views: 221907

djellison
Posted on: Mar 3 2007, 05:12 PM


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RTG powered ion propulsion, that's VERY VERY off the NH design - as would be the need for reaction wheels. It's not a re-use of the NH design at all. It's something very very different.

Doug
  Forum: Uranus and Neptune · Post Preview: #85165 · Replies: 177 · Views: 221907

djellison
Posted on: Mar 2 2007, 12:27 PM


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>12 posts moved to the ESA Press Efforts thread.
  Forum: Cometary and Asteroid Missions · Post Preview: #85106 · Replies: 170 · Views: 196152

djellison
Posted on: Mar 2 2007, 11:41 AM


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I would have thought so. The PCT website shows things that are not fully down and not yet deleted...unless it's in there, it's probably gone.

Doug
  Forum: Tech, General and Imagery · Post Preview: #85097 · Replies: 123 · Views: 99477

djellison
Posted on: Mar 2 2007, 10:43 AM


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Great release Dan.

For those wondering about some dropped data on around Sol B0882, that data is unfortuantely gone for good, I asked JB about it and he's check it. Amazingly, a rare occurance, of dropped data that didn't get retransmitted before the products were deleted from flash.

Doug
  Forum: Tech, General and Imagery · Post Preview: #85093 · Replies: 123 · Views: 99477

djellison
Posted on: Mar 2 2007, 08:13 AM


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Where do you get the delta V to break into orbit around Neptune? We're talking a SIGNIFICANT difference in spacecraft design to add that capacity. Also - NH is designed for short, brief encounters - not a long-life orbiting mission. You would want to move away from the RCS to reaction wheels.

What about downlink? you would want more than the 1k/sec that NH will probably manage from that range.

Once you've done that - you have very little that is still NH.

Doug
  Forum: Uranus and Neptune · Post Preview: #85080 · Replies: 177 · Views: 221907

djellison
Posted on: Mar 1 2007, 05:23 PM


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QUOTE (fredk @ Mar 1 2007, 05:13 PM) *
Tom, I'm curious where you obtained that, or did you make it yourself? It would be wonderful to have a full crater stereo view of that quality.

http://hiroc.lpl.arizona.edu/images/PSP/victoria.html
  Forum: Opportunity · Post Preview: #85009 · Replies: 152 · Views: 122463

djellison
Posted on: Mar 1 2007, 04:46 PM


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Several "Oh woe is me" posts in this thread about how we'll all be dead before anything ever happens in space ever again have been deleted. Seriously guys, can you not keep anything on topic?
  Forum: New Horizons · Post Preview: #85004 · Replies: 48 · Views: 77628

djellison
Posted on: Mar 1 2007, 02:50 PM


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I'm wearing a not-suprised-but-disapointed facial expression whilst shrugging my shoulders.

Doug
  Forum: Exploration Strategy · Post Preview: #84987 · Replies: 222 · Views: 138899

djellison
Posted on: Mar 1 2007, 11:13 AM


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I'm sure I don't have to remind people that this thread is not to get into politics in any way
  Forum: Manned Spaceflight · Post Preview: #84965 · Replies: 6 · Views: 8247

djellison
Posted on: Mar 1 2007, 01:20 AM


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or http://www.mmedia.is/bjj/utils/img2png/ to do MER stuff properly.

Doug
  Forum: Chit Chat · Post Preview: #84940 · Replies: 3 · Views: 13239

djellison
Posted on: Feb 28 2007, 08:02 PM


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It was more a case of being given wings for the evening. smile.gif
  Forum: Cometary and Asteroid Missions · Post Preview: #84917 · Replies: 170 · Views: 196152

djellison
Posted on: Feb 28 2007, 03:39 PM


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This is the routemap thread, not a 'what is the rover up to' thread.

Doug
  Forum: Opportunity · Post Preview: #84881 · Replies: 3597 · Views: 3532050

djellison
Posted on: Feb 28 2007, 02:32 PM


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Not sure how close to C/A there will be other Io obs, but Io should appear just short of twice that size later today.

Doug
  Forum: New Horizons · Post Preview: #84870 · Replies: 279 · Views: 398810

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