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djellison
Posted on: Aug 17 2011, 01:57 PM


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QUOTE (ilbasso @ Aug 17 2011, 06:49 AM) *
everyone likes a good mad-scientist-destroys-Earth horror story every now and again..


They rarely make it through peer review.
  Forum: Cometary and Asteroid Missions · Post Preview: #177663 · Replies: 7 · Views: 10410

djellison
Posted on: Aug 17 2011, 07:56 AM


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QUOTE (ilbasso @ Aug 16 2011, 06:49 PM) *
Would testing this on Apophis actually increase the likelihood of debris impacting Earth?


Come on - how stupid do you think the scientists involved actually are?
  Forum: Cometary and Asteroid Missions · Post Preview: #177653 · Replies: 7 · Views: 10410

djellison
Posted on: Aug 14 2011, 05:34 AM


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I thought we were done with the colorization debate.

If you were in any doubt.....we ARE done with the colorization debate.

Don't make the admin's jobs even harder - please.
  Forum: Opportunity · Post Preview: #177548 · Replies: 479 · Views: 336252

djellison
Posted on: Aug 13 2011, 06:31 PM


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It's not integration time that's the problem. It's just contamination. It can't see out. It's filthy.

Mossbauer, on the other hand - that's just an integration time problem....so many weeks might be necessary.
  Forum: Opportunity · Post Preview: #177532 · Replies: 125 · Views: 187922

djellison
Posted on: Aug 12 2011, 08:00 AM


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Jim has been asked, in private, and publicly, by UMSF admins, to behave in a cordial manor.

He has refused to do so, repeatedly. His time here is done.

I suggest we just ignore his comments and move on.
  Forum: Past and Future · Post Preview: #177471 · Replies: 130 · Views: 266058

djellison
Posted on: Aug 11 2011, 04:56 PM


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QUOTE (stevesliva @ Aug 11 2011, 08:22 AM) *
Perhaps they should release those photos immediately! wink.gif


Given the processing required for push-broom imaging, the map projection that requires reconstructed SPICE kernels - a moderate delay is to be entirely expected.
  Forum: LRO & LCROSS · Post Preview: #177428 · Replies: 509 · Views: 554973

djellison
Posted on: Aug 10 2011, 01:58 PM


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QUOTE (ElkGroveDan @ Aug 10 2011, 06:52 AM) *
Nothing to say or do for now other than to just stare in awe.


Exactly. I never thought we'd make it. I even said trying was silly.

Never happier to be wrong.

Wow.
  Forum: Opportunity · Post Preview: #177346 · Replies: 479 · Views: 336252

djellison
Posted on: Aug 10 2011, 01:55 PM


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It has to be done with one 'eye' on the left and one on the right. The constraints of making an anaglyph conquer everything else.
  Forum: Dawn · Post Preview: #177345 · Replies: 422 · Views: 369705

djellison
Posted on: Aug 9 2011, 07:50 PM


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QUOTE (MoreInput @ Aug 9 2011, 12:47 PM) *
I don't think that a rover can climb onto hills rolleyes.gif .


See Spirit, Husband Hill. Or Opportunity, climbing into and out of Endurance and Victoria craters.

The MER design can, and has, navigated slopes of over 30 degrees.
  Forum: Opportunity · Post Preview: #177268 · Replies: 1559 · Views: 801287

djellison
Posted on: Aug 9 2011, 07:31 PM


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I like artistic imagery - hell, I was part of making a rather well reproduced one at the summit of husband hill. I even like colorization (such as the infamous Meridiani dunes + clouds)

This is different. It's bright frickin' orange. It doesn't tick any box of being accurate, pleasant, artistic or an improvement to the data.

ADMIN NOTE:

  1. The discussion of colorization is done.
  2. Three people have attempted to start new Opportunity threads, without any actual content. They're doing it just to be 'first' with the new thread. Anyone else who does this will get a suspension. A new thread will be made in due course.
  Forum: Opportunity · Post Preview: #177260 · Replies: 1559 · Views: 801287

djellison
Posted on: Aug 9 2011, 05:18 PM


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It's not out of the question that the vehicle could hold in reserve enough fuel to hop to a different site as well.

  Forum: Past and Future · Post Preview: #177252 · Replies: 130 · Views: 266058

djellison
Posted on: Aug 9 2011, 05:14 PM


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QUOTE (jvandriel @ Aug 9 2011, 08:27 AM) *
The sole purpose is for better and enjoyable viewing. ( DJEllison )


You're reducing the available detail in tinting it so vividly orange, so quite how it can be 'better' I don't know.

Put a picture of Huygens on one of them. It doesn't look out of place.
  Forum: Opportunity · Post Preview: #177251 · Replies: 1559 · Views: 801287

djellison
Posted on: Aug 9 2011, 05:56 AM


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You sound like Mike Wolff. In a good way.

Top hatch could become deployables for cameras, comms and power.

A 4k sky-cam is more of a downlink constraint rather than a enabled-by-dragon constraint though.
  Forum: Past and Future · Post Preview: #177201 · Replies: 130 · Views: 266058

djellison
Posted on: Aug 9 2011, 01:21 AM


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QUOTE (Jim from NSF.com @ Aug 8 2011, 05:12 PM) *
Driving rovers out the hatch is ludicrous, the hatch is small and high off the surface.


And yet again, Jim, you argue against something I've not proposed. I didn't propose delivering PHX's instruments. I didn't propose driving a rover out of the door. Yet you decided to have an argument with me about such things.

I have made my point - and made it clearly. The issue is not how to deliver payloads previously sent to Mars with Dragon. It's what payloads could you send to Mars with Dragon. You continue to ignore that simple statement and start arguments over things I've not said or even inferred.

ADMIN MODE:
Consider this a public administrator warning Jim - stop trying to start arguments with people. This has been an ongoing problem with you over the years. Your attitude continues to be mutually exclusive with that of constructive discussion. Your behavior is confrontational and rude, and this is not just my opinion, but that of many of the admin team and other UMSF members as well.

Might I suggest you do as promised and go back to lurking. Further posting in this manor, and we'll simply suspend your account.

Again.
  Forum: Past and Future · Post Preview: #177179 · Replies: 130 · Views: 266058

djellison
Posted on: Aug 8 2011, 08:35 PM


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QUOTE (Jim from NSF.com @ Aug 8 2011, 01:16 PM) *
Huh? So the "right mind set" is not to deliver instruments and just land a Dragon capsule.


Very very obviously, that is NOT the point I was making. You really are very very determined to start an argument rather than have a discussion, aren't you.


QUOTE
Ok, I will go back to lurking


Please do.
  Forum: Past and Future · Post Preview: #177141 · Replies: 130 · Views: 266058

djellison
Posted on: Aug 8 2011, 05:55 PM


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QUOTE (Jim from NSF.com @ Aug 8 2011, 09:37 AM) *
No, I was thinking how Dragon could deliver Phoenix's instruments.


Again - still the wrong mind set.


  Forum: Past and Future · Post Preview: #177134 · Replies: 130 · Views: 266058

djellison
Posted on: Aug 8 2011, 05:48 PM


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QUOTE (DFortes @ Aug 8 2011, 09:19 AM) *
Keep it up Toma !!


It's not his picture I'm talking about.
  Forum: Opportunity · Post Preview: #177132 · Replies: 1559 · Views: 801287

djellison
Posted on: Aug 8 2011, 04:22 PM


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QUOTE (Toma B @ Aug 8 2011, 07:09 AM) *
Those are not L2 images from sol2679. Its actually croped L257 color pan sol 2678.


He states himself it's just L2 he's used. It's a greyscale image. But for reasons I just don't understand, it's then very very heavily tinted orange. It's not color.

And it's like looking at a picture of Titan, not Mars. I don't understand the obsession with (or benefit of) colorizing a greyscale pan like that.
  Forum: Opportunity · Post Preview: #177121 · Replies: 1559 · Views: 801287

djellison
Posted on: Aug 8 2011, 02:01 PM


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QUOTE (jvandriel @ Aug 8 2011, 12:32 AM) *
Here is the Pancam L2 Panoramic view on Sol 2679
in colour.


But it's not color, is it. You've changed a greyscale image into what can best be described as a series of colors from the Spring Titan range. Without meaning to demean any effort in processing imagery - I'm really not sure what improvement they make.
  Forum: Opportunity · Post Preview: #177107 · Replies: 1559 · Views: 801287

djellison
Posted on: Aug 8 2011, 03:20 AM


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QUOTE (Jim from NSF.com @ Aug 7 2011, 06:27 PM) *
No, the capsule is still a fixed size and it is a pressurized structure meant to contain personnel and loose cargo. It is ill suited to contain a rover or instrument suite such as Phoenix. All previous landers jettisoned their heat shield to expose the spacecraft, Dragon can't do this and if it could, it would expose a sealed vessel.



You're thinking 'how would dragon deliver Phoenix'. That's not the goal here. It's a change in philosophy.

The actual question is - what science could you do with a Dragon on the surface.

One scientist, at least, clearly thinks there is plenty that can be done.

I can see massive potential for Dragon as depicted in that video - and even more with comparatively simple modifications to the vehicle structure.
  Forum: Past and Future · Post Preview: #177083 · Replies: 130 · Views: 266058

djellison
Posted on: Aug 8 2011, 01:24 AM


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QUOTE (ugordan @ Aug 7 2011, 08:37 AM) *
A big chunk of the landed mass would be Dragon itself and its (for unmanned landers) unnecessary pressurized structure.


The point being, when the LV can lift so much weight - then you can get away with 'wasted' mass.

The thing we have the least of, is money. If a system like this gets instrumentation onto the ground at <$ than, say, 'traditional' spacecraft design and LV's.... then it's a win.
  Forum: Past and Future · Post Preview: #177078 · Replies: 130 · Views: 266058

djellison
Posted on: Aug 6 2011, 04:22 AM


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I was lucky enough to be at the KSC Media Site for the launch ( attending the tweetup to demonstrate Eyes on the Solar System...which now has a quite awesome Juno module )

I used a Go Pro HD Hero to record the big picture of the launch

http://twitpic.com/61dmsr

And using my t2i, took a few photos of the launch itself. No point trying to get the close up shots..others with more experience, talent and equipment can do that...this is what my view was like though

http://twitpic.com/61dmsr

Go Juno!!

  Forum: Juno · Post Preview: #176964 · Replies: 597 · Views: 607347

djellison
Posted on: Aug 4 2011, 08:58 PM


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Nope - nothing to do with me.
  Forum: MRO 2005 · Post Preview: #176800 · Replies: 38 · Views: 51424

djellison
Posted on: Aug 3 2011, 12:15 AM


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QUOTE (dilo @ Aug 2 2011, 03:58 PM) *
Science Survey Orbit is almost reached:
Now, Dawn is engine-off on almost circular orbit (taking navigation pictures?)... next engine burn could be the final one before "definitive" orbit insertion!



http://dawn.jpl.nasa.gov/feature_stories/s...ence_orbits.asp
" That initial orbit of the rocky world Vesta begins Aug. 11, at an altitude of nearly 1,700 miles"
  Forum: Dawn · Post Preview: #176664 · Replies: 422 · Views: 369705

djellison
Posted on: Aug 2 2011, 10:21 PM


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QUOTE (Mongo @ Aug 2 2011, 01:14 PM) *
CLASS 3 : Known to be taking images, but no regular releases

All the ESA missions?


Mars Express VMC - within minutes of hitting the ground
Envisat MIRAVI - on the web daily.


stevesliva - Using the argument that other missions fall short, therefore it's just fine for Dawn to fall short isn't valid. They should all be stepping up to the plate and delivering as Phoenix did, and as VMC, Cassini and MER continue to do.
  Forum: Dawn · Post Preview: #176651 · Replies: 422 · Views: 369705

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