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Giotto’s brief encounter, Twenty years ago
Stu
post Nov 14 2009, 10:10 PM
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GREAT work Machi! Wow, that brought back some memories... rolleyes.gif


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Juramike
post Nov 14 2009, 10:21 PM
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Nice!


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machi
post Nov 14 2009, 10:42 PM
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QUOTE (Paolo @ Nov 14 2009, 11:10 PM) *
Coooool!! ohmy.gif
If you could only slow it down a little bit


Yes I can, but not on this computer. But I recommend use some movieplayer with adjustable speed. Some like mplayer or so.


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ugordan
post Nov 14 2009, 10:43 PM
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That's awesome, Machi!
I took your work and stabilized the frames a bit more, do you mind me posting it here?


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machi
post Nov 14 2009, 11:02 PM
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QUOTE (ugordan @ Nov 14 2009, 11:43 PM) *
That's awesome, Machi!
I took your work and stabilized the frames a bit more, do you mind me posting it here?

Of course you can! Sorry my english isn't so good, so this can be sometimes little problem smile.gif


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ugordan
post Nov 14 2009, 11:12 PM
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Ok, here it is. Just some aligned frames and a slight pause at the end, other than that your work is untouched.


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nprev
post Nov 15 2009, 12:16 AM
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ohmy.gif GREAT work, Machi (& Gordan!) The animation really brings the encounter to life. In fact, the craters on Halley were never obvious to me before; it's a much better presentation of the dataset than offered by the stills.


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elakdawalla
post Nov 15 2009, 03:32 AM
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Oh, man, that is spectacular. Fabulous work, machi, and nice upgrade, ugordan! If I weren't two sheets to the wind already this evening I'd post it now. Must remember to post it tomorrow or Monday! As a general comment, nearly any time I post an animation I always slow it down substantially (setting frame delays to a minimum of 0.25 seconds) so that the viewer has time for eyes to focus on features in each frame. I also usually put in a pause on the last and first frames in order to allow people the time to recognize that the sequence is starting over.


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ollopa
post Nov 15 2009, 04:20 AM
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A wonderful reconstruction, but in the interests of absolute historical accuracy I must remind people that these were not the images we saw on the night. I anchored a two-hour TV programme during the encounter and no-one warned us that Giotto was not Voyager. The first and only picture on the night - during hours of live TV coverage across Europe - was this one.

The implications for European space policy were profound. Margaret Thatcher was Prime Minister in the UK and was watching the BBC coverage in the private apartment at Downing Street with, I think, Sir John Fairclough, her science advisor. She asked: "What are we paying for this?". And I'm afraid the rest is history.
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Stu
post Nov 15 2009, 07:13 AM
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Ah yes, Giotto encounter night, I remember it well, and still get a slightly queasy feeling when I do. I was a youngling then, and as an avid and obsessed-with-space-since-I-was-THIS-high Halley's Comet was a massive, massive deal for me, and I'd been watching it brighten and grow through my 3" scope, from a tiny fuzzball to a slightly bigger fuzzball, and was almost wetting mjyself with excitement on "Giotto Night". I told my family that we absolutely HAD to watch the live TV coverage, and they indulged me and went along with it. So, there we were, all watching the TV, waiting for the images to come in, listening to the "experts" in the studio getting more and more excited as the clock ticked down to closest approach... looking forward to seeing the solid nucleus, the tail, all in close-up... When the actual images came down, and they were just that migraine-inducing splash of colour that looked like someone had spilled paint on the TV screen, and no-one in the studio seemed to know either if the encounter had gone as planned or what the hell they were looking at on the pictures, four sets of eyes turned to me accusingly in a "You made us sit here and wait for this..?" kind of way...

It didn't matter how hard I wished, the ground didn't open up and swallow me.

Of course, I now know that that image was an amazing achiement, and that I'd be very impressed by it if I saw it here on UMSF now, but at the time it was a crushing, crushing disappointment, and I remember thinking how much I preferred the honest view through my own trusty telescope.

I've often wondered how differently things would have turned out if Giotto's images had been more photographic. Would more people here in the UK, and across Europe, have been inspired by space exploration? But, on the other hand, it was covered live on TV, with images shown almost in realtime. That didn't happen with ROSETTA's encounters with Mars or Earth.

Makes you think, doesn't it?


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Tesheiner
post Nov 15 2009, 08:07 AM
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QUOTE (machi @ Nov 14 2009, 10:50 PM) *
Allright. Here is animation from flyby images before camera failure.

WOW, just WOW! cool.gif
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ngunn
post Nov 15 2009, 09:05 AM
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That is fantastic - ollopa you should have kept the show on air for another 24 years! (I don't remember being disappointed on the night. I remember being delighted that the probe survived the encounter, thrilled and intrigued by the images that no-one could immediately interpret, and proud to be watching a mission run from Europe.)
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tedstryk
post Nov 15 2009, 12:50 PM
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Excellent work! Which camera is this from?


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machi
post Nov 15 2009, 02:01 PM
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I think all images are mostly with clear filter (images with index from 1600 to 2017, sensors C and E, camera HMC). These are relatively without noise.
But I lost all original converted images in the spring, so I don't know this surely.


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djellison
post Nov 15 2009, 05:48 PM
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I would ask a few people who've posted in this thread to re-read the forum rules - specifically -

- 1.2 Politics - the discussion of politics is strictly forbidden. Discussion of politicians, politics, political parties, various topics of the moment (Iraq, Terrorism) are all very much off topic and posts that include them will be removed without warning

Stu - Ollopa - behave.

Note - this is not because what you have said is incorrect. It's because what you have discussed is specifically outside the remit of UMSF.
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