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Big storm on Saturn
Astro0
post Feb 25 2011, 01:59 PM
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Quick stitch of 21 images. There's a whole lot more images in this sequence if some brave soul wants to make it wink.gif
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Stu
post Feb 25 2011, 02:14 PM
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Wow... we've had MER Monopoly...

I think we just saw the first CASSINI Jigsaw... laugh.gif

Note to all: I had the idea first, and I'm in the middle of watching THE SOCIAL NETWORK, so no-one get any ideas about suing me in years to come, ok? tongue.gif


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Juramike
post Feb 26 2011, 04:21 AM
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Comparison graphic showing similarities/differences between the Jan 12 and Feb 23 Saturn storm observation:
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Full resolution WAC MethanoVision RGB [Mt3, MT2, CB2] of the Feb 23 observation is here: http://www.flickr.com/photos/31678681@N07/5478172432/


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Ian R
post Feb 26 2011, 09:07 AM
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Just got back from London: drooled over Charlie Brown (not literally), gawped at Ralph's penetrometer -- and even touched a chunk of the Titanic's hull!

Oh, and here's a quick RGB composite from this latest, bountiful, batch of raws:

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djellison
post Feb 26 2011, 09:14 AM
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QUOTE (Ian R @ Feb 26 2011, 01:07 AM) *
gawped at Ralph's penetrometer


And that's the flight model. The flight-spare is sat on Titan smile.gif
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Ian R
post Feb 26 2011, 09:31 AM
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Or embedded in Titan, I suppose! biggrin.gif

...and here's RGB storm composite number two:

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Juramike
post Feb 27 2011, 02:48 PM
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Saturn RGB[RED,GRN, BL1] composite Feb 25, 2011. Details enhanced with a HiPass filtered overlay of the CB2 IRP90 image:

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Juramike
post Feb 27 2011, 06:26 PM
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Composite of images in the CB2 IR band taken from Feb 23-25, 2011 coordinated and stacked to show the full length and features of the massive storm:

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Guest_Sunspot_*
post Feb 27 2011, 07:29 PM
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Guests






In terms of scale how does this storm compare to those that have previously appeared?
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Ian R
post Feb 28 2011, 07:26 PM
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Nice work Mike! smile.gif

Here's a false-colour NAC view of the head of the storm (MT2/CB2/BL1):

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Ian R
post Feb 28 2011, 07:42 PM
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Another WAC, RGB view, with one of the moons (Enceladus?) just lurking below the left ansae:

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Guest_Sunspot_*
post Feb 28 2011, 11:02 PM
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Guests






Are the clouds in the storm moving fast enough to cause some motion blur in the images?

http://saturn.jpl.nasa.gov/photos/raw/rawi...?imageID=234025

If you take a look at that image, the cloud features on the left have sharp boundaries, the clouds in the storm look very soft - like motion blur?
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Ian R
post Feb 28 2011, 11:16 PM
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Prequel to my last post:

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john_s
post Mar 1 2011, 12:32 AM
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QUOTE (Sunspot @ Mar 1 2011, 12:02 AM) *
Are the clouds in the storm moving fast enough to cause some motion blur in the images?


It sure *looks* like motion blur, but I don't think the numbers work out. The resolution of that image is about 20 km/pixel, and typical Cassini ISS exposure times for sunlit objects are maybe 1/100th to 1/10th of a second. So to get a couple of pixels of blur would require cloud speeds of 400 - 4000 kilometers/second- the clouds would exceed escape velocity.

John
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volcanopele
post Mar 1 2011, 02:04 AM
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CB2 frames are 3.2 seconds exposures. MT frames are longer IIRC.


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