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#380 by DaveS on 09 Jun, 2007 00:09
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Gekko0481 - 9/6/2007 2:08 AM
Plasma.
Can anyone explain the orange flares shown in this image (amongst others) just above the orbiter?
Link
Great launch! -
#381 by Nick L. on 09 Jun, 2007 00:10
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#382 by shuttlepilot on 09 Jun, 2007 00:11
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MikeM. - 9/6/2007 2:06 AM
I agree. It's most beautiful launch ever!
Best looking launch I've seen. Great job Chris and crew here for keeping us all up to date.
Go Atlantis! -
#383 by psloss on 09 Jun, 2007 00:11
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Well, there's the answer on that camera -- LC 41 roof...
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#384 by eeergo on 09 Jun, 2007 00:11
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Gekko0481 - 9/6/2007 2:08 AM Can anyone explain the orange flares shown in this image (amongst others) just above the orbiter? Link Great launch!
I think they're shock plasma waves formed by the rapid expansion of the SSMEs exhaust gases in the near-vacuum just before MECO. However, I don't really know the mechanism that forms the apparently circular shock wave.
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#385 by psloss on 09 Jun, 2007 00:12
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ET camera replay coming up.
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#386 by MKremer on 09 Jun, 2007 00:12
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Gekko0481 - 8/6/2007 7:08 PM
Edges of the main engine exhaust - in the upper atmosphere there's so little pressure the exhaust spreads way, way out compared to the narrow exhaust seen at sea level.
Can anyone explain the orange flares shown in this image (amongst others) just above the orbiter? -
#387 by psloss on 09 Jun, 2007 00:12
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OK, take 2 of that? There it is...
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#388 by eeergo on 09 Jun, 2007 00:14
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From the LC-41 roof camera, it's the first time I see the supersonic transient of the SRBs exhaust at ignition. If you look closely, you'll note a condensaton cloud as the ones seen on the orbiter. Probably there's more videos that show it, but i'd never seen it so clearly.
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#389 by Skinny on 09 Jun, 2007 00:14
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A video is available for download in the Video Section.
http://forum.nasaspaceflight.com/forums/thread-view.asp?tid=8282&posts=1&mid=145147#M145147 -
#390 by Felix on 09 Jun, 2007 00:16
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OMS-2 burn is underway
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#391 by kraisee on 09 Jun, 2007 00:17
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Just back from Kars Park - the launch was simply awesome, with a beautiful clear sky and a really nice loud crackling rumble
Glad to see everything seems to have gone according to plan according to this thread.
Go Atlantis!
Ross. -
#392 by psloss on 09 Jun, 2007 00:17
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eeergo - 8/6/2007 8:14 PM
Seen on several other launches and yeah, that would probably be nice to see from OTV 060 (for example).
From the LC-41 roof camera, it's the first time I see the supersonic transient of the SRBs exhaust at ignition. If you look closely, you'll note a condensaton cloud as the ones seen on the orbiter. Probably there's more videos that show it, but i'd never seen it so clearly.
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#393 by psloss on 09 Jun, 2007 00:18
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Good OMS-2, no trim required. New orbit: 142 x 98 miles.
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#394 by Lee Jay on 09 Jun, 2007 00:18
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Did anyone catch any foam loss? I didn't see a thing!
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#395 by eeergo on 09 Jun, 2007 00:18
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I've just seen a foam liberation episode (without orbiter hit, by a good distance) from the left side of the tank looking down from the camera. It happens approximately 1 minute after SRB sep. Didn't look big, though, so probably nothing to worry about.
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#396 by Felix on 09 Jun, 2007 00:19
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Good OMS-2 burn!
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#397 by Chris Bergin on 09 Jun, 2007 00:19
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Lee Jay - 9/6/2007 1:18 AM
Did anyone catch any foam loss? I didn't see a thing!
We're looking back on the super hi res video that's going on L2. Apparently 10 seconds after SRB sep. Twice and small.
Don't think there's anything to worry about as I certainly didn't see it on first view. -
#398 by psloss on 09 Jun, 2007 00:20
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Lee Jay - 8/6/2007 8:18 PM
I saw something live on the ET camera, after the two-engine TAL call -- it looked like the losses seen on the STS-121 ET camera video to me (very slight).
Did anyone catch any foam loss? I didn't see a thing!
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#399 by Davejfb on 09 Jun, 2007 00:21
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psloss - 9/6/2007 2:17 AM
Quoteeeergo - 8/6/2007 8:14 PM
Seen on several other launches and yeah, that would probably be nice to see from OTV 060 (for example).
From the LC-41 roof camera, it's the first time I see the supersonic transient of the SRBs exhaust at ignition. If you look closely, you'll note a condensaton cloud as the ones seen on the orbiter. Probably there's more videos that show it, but i'd never seen it so clearly.
Does anyone have a picture of it? Love the shot, can find one.
Thanks!
