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Chandrayaan 1, India's First Lunar Probe
slinted
post Oct 22 2008, 12:06 AM
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The video stream is also available at http://msrv2.wstream.net/isro/
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Bhas_From_India
post Oct 22 2008, 12:48 AM
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3 minutes to go...very exciting....hope it will be successful..
rolleyes.gif
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Jason W Barnes
post Oct 22 2008, 12:58 AM
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Ack -- we can't get the broadcast feed to work. Requesting liveblog updates from anyone who can see the feed! Is it working?

- Jason W. Barnes
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Phil Stooke
post Oct 22 2008, 01:00 AM
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Launched successfully!

Phil


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... because the Solar System ain't gonna map itself.
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Bhas_From_India
post Oct 22 2008, 01:02 AM
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Launch went fine...so far...
3rd stage in progress...
4th stage ignition went successfully.

Velocity - 7.326km/s
5 minutes in to flight
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tanjent
post Oct 22 2008, 01:04 AM
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Slinted's link yields only a series of still shots which seem to be days and weeks old - no live streaming video that my super-slow ADSL connection can pick up on. The fault may lie at least partly with my location - Taiwan has not added any off-island broadband capacity for eight or nine years, since the boom went bust. We have super-fast domestic internet but for overseas traffic we are back to the days of dialup. Emily's link from the blog yields a still of a launch (I don't believe it is today's launch) and a notification that the live webcast should have already begun. So I'll be looking here for confirmation that the launch has taken place...
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Bhas_From_India
post Oct 22 2008, 01:05 AM
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Alititude: 210 km
Velocity : 8km/Sec
Flight Time : 740sec

Going good so far
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Bhas_From_India
post Oct 22 2008, 01:14 AM
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Seems everything went fine.
orbit is achieved.
Now, we have to wait for 5.5 days for Chandrayaan-I to arrive at Moon.
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elakdawalla
post Oct 22 2008, 01:15 AM
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Thanks, Bhas! Keep the updates coming -- I've lost the feed here in Los Angeles, and am trying to get updates for my blog -- you will be my lifeline!

--Emily


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Jason W Barnes
post Oct 22 2008, 01:18 AM
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QUOTE (Bhas_From_India @ Oct 21 2008, 06:14 PM) *
Seems everything went fine.
orbit is achieved.
Now, we have to wait for 5.5 days for Chandrayaan-I to arrive at Moon.


Yes, thanks very much for the updates!

What's the mission design -- i.e., the spacecraft is now in low-Earth-orbit. It will probably need a circularization burn at apoapsis in half an hour. Will there be a trans-lunar-insertion burn to send it out of Earth's gravity later on sometime, or was it on a direct path to the moon initially? Thanks in advance to anyone who has an idea about this,

- Jason
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elakdawalla
post Oct 22 2008, 01:22 AM
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AFP is reporting that official time of liftoff was 00:52 UTC.

Jason, you can probably find what you want to know here; report back and let us know! smile.gif

--Emily


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Bhas_From_India
post Oct 22 2008, 01:23 AM
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ISRO: 1st leg of chandrayaan has been perfect.
ISRO: Spacecraft to now circle the earth.
ISRO: India is the 6th nation to send "UnManned SpaceFlight" to Moon.
ISRO: Every parameter of the launch has proceeded successfully.
ISRO: We are certain that Chandrayaan-I will reach moon.

That's all for now.
I will check some time later to see if there is any other information available.
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Phil Stooke
post Oct 22 2008, 01:26 AM
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All the recent missions including this one have started in a geostationary transfer orbit (or geometrically similar - apogee at 25000 km or so). Then they increase the apogee with successive burns until it is at lunar distance and slip into a high lunar orbit, then gradually shrink that to a low lunar orbit. SMART-1 did something similar but very slowly with its ion engine. The 5.5 day trip to the Moon doesn't start at once, it's the last of those big orbits.

Phil


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elakdawalla
post Oct 22 2008, 01:30 AM
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Ah. Here's a diagram of exactly what you're describing, Phil. Initial perigee is 250 km, apogee 23,000 km. Unfortunately it doesn't specify how long the whole journey is supposed to take. Does anybody know?

--Emily


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Bhas_From_India
post Oct 22 2008, 01:34 AM
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I don't know what all the Cameras captured.
Very cloudy climate. Smoke at Lift-Off around rocket.

Achieving orbit etc using PSLV is normal since thats what would have happened in case of launch of any other satellite.
The real task would be orbital corrections and placing it in required orbit around Moon.
Then we have Deployment of all Instruments and Releasing Impactor.

as far as the information available to actual interesting stuff would start (data/photos etc) from Nov, 8th.
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