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Odd Image
alan
post Jan 7 2006, 05:34 AM
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What the heck is that?

http://saturn.jpl.nasa.gov/multimedia/imag...eiImageID=60004
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ermar
post Jan 7 2006, 08:00 AM
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Whatever it is, it's a jiggled-up, overexposed version of this. Not quite as weird, but the instrument pointing logs would be of great utility here.
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edstrick
post Jan 7 2006, 10:22 AM
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(attaches twilight zone theme tweedle to the picture)
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djellison
post Jan 7 2006, 11:05 AM
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There's lots of them, and some have different speckles with different filters

Is it an internal calibration? Or Calibration using the Sun or something like that?

Doug
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ugordan
post Jan 7 2006, 11:57 AM
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If I'm not mistaken, that may be an image of the calibration lamp. WAC has a calibration lamp (IIRC, WAC design was inherited from the Voyagers) while NAC has no such thing.
That bright middle band does somewhat resemble a tungsten wire in a lamp, defocussed of course.


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abalone
post Jan 7 2006, 12:01 PM
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QUOTE (ugordan @ Jan 7 2006, 10:57 PM)
If I'm not mistaken, that may be an image of the calibration lamp. WAC has a calibration lamp (IIRC, WAC design was inherited from the Voyagers) while NAC has no such thing.
That bright middle band does somewhat resemble a tungsten wire in a lamp, defocussed of course.
*

You guys are a bottomless pit of knowledge, I'm impressed blink.gif ohmy.gif blink.gif
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ugordan
post Jan 7 2006, 12:20 PM
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Here's an exploded view of the wide angle camera, taken from 2004_PorcoWest.pdf:
Attached Image

Note the calibration lamp on the left, in the front of the optics.


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Cugel
post Jan 7 2006, 01:11 PM
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A slightly enhanced version of this picture:
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dilo
post Jan 7 2006, 01:27 PM
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Excellent explaination, ugordan... but I prefere Cugel version! rolleyes.gif biggrin.gif tongue.gif
(remember that in the original 2001 book, monolith was near Saturn!).


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ugordan
post Jan 7 2006, 01:47 PM
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QUOTE (dilo @ Jan 7 2006, 02:27 PM)
Excellent explaination, ugordan... but I prefere Cugel version!  rolleyes.gif  biggrin.gif  tongue.gif
(remember that in the original 2001 book, monolith was near Saturn!).
*

Hehe, THAT is a good one! biggrin.gif


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jmknapp
post Jan 7 2006, 02:49 PM
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This is the science plan entry:

2006JAN05 21:57 UTC - 2006JAN06 01:57 UTC
ISS_020IC_CALLAMP001_PRIME

ISS WAC CAL LAMP
ISS WAC Cal Lamp exposures


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dilo
post Jan 7 2006, 03:02 PM
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QUOTE (jmknapp @ Jan 7 2006, 02:49 PM)
This is the science plan entry:

2006JAN05 21:57 UTC - 2006JAN06 01:57 UTC
ISS_020IC_CALLAMP001_PRIME

ISS WAC CAL LAMP
ISS WAC Cal Lamp exposures
*

So, no space for Science Fiction here... but, hey, wait a moment! Deaths Star is pointing toward Titan!!! Hope rebellion will destroy it soon!
http://saturn.jpl.nasa.gov/multimedia/imag...7/N00047873.jpg
wink.gif


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ljk4-1
post Jan 7 2006, 03:16 PM
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QUOTE (dilo @ Jan 7 2006, 08:27 AM)
Excellent explaination, ugordan... but I prefere Cugel version!  rolleyes.gif  biggrin.gif  tongue.gif
(remember that in the original 2001 book, monolith was near Saturn!).
*


The Monolith in the novel wasn't just near Saturn, it was on Iapetus in a large white "crater" and the Monolith ETI had something to do with making the moon so bright on one side and so dark on the other - a kind of semaphore signal to humanity.

See here:

http://en.wikipedia.org/wiki/Iapetus_(moon...etus_in_fiction

In fact none other than Donald Goldsmith and Tobias Owen speculated in 1980 that Iapetus' condition might be artificial:

http://en.wikipedia.org/wiki/Iapetus_(moon...s_is_artificial

Even Iapetus' discoverer, the real Cassini, noted its dark and light halves in 1671:

http://en.wikipedia.org/wiki/Iapetus_(moon...tone_coloration


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"After having some business dealings with men, I am occasionally chagrined,
and feel as if I had done some wrong, and it is hard to forget the ugly circumstance.
I see that such intercourse long continued would make one thoroughly prosaic, hard,
and coarse. But the longest intercourse with Nature, though in her rudest moods, does
not thus harden and make coarse. A hard, sensible man whom we liken to a rock is
indeed much harder than a rock. From hard, coarse, insensible men with whom I have
no sympathy, I go to commune with the rocks, whose hearts are comparatively soft."

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Decepticon
post Jan 7 2006, 04:05 PM
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I never get tired of 2001 comedy. biggrin.gif
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ElkGroveDan
post Jan 7 2006, 04:39 PM
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QUOTE (Cugel @ Jan 7 2006, 01:11 PM)
A slightly enhanced version of this picture:
*

Nah, THIS is the enhanced version:



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deglr6328
post Jan 7 2006, 06:05 PM
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Back to the calib. image, I do not like the looks of it. Recall the Stardust lamp calib images of 2001....

here, the prelaunch image clearly showing helical structure of the W filament.


and then a post-launch image after contamination on the lens accumulated


and finaly after baking of the lens is nearly done, the wigglyness is again visible



I don't have a prelaunch image to compare it to but the Cassini image looks TOO blurry. Even if the filament is a straight wire this is too blurry I think.



If you're REALLY good you can estimate the particle size distribution of the contamination droplets on the surface... see here (note, no I am not that good biggrin.gif )
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ugordan
post Jan 7 2006, 06:31 PM
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QUOTE (ElkGroveDan @ Jan 7 2006, 05:39 PM)
Nah, THIS is the enhanced version:


*

Star Trek : TNG ?


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Decepticon
post Jan 7 2006, 06:56 PM
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^Yeah sad Creature/Ship sad.gif



When I first saw it I though of a Vegetable (forgot the name of it)
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ljk4-1
post Jan 7 2006, 07:39 PM
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QUOTE (Decepticon @ Jan 7 2006, 01:56 PM)
^Yeah sad Creature/Ship  sad.gif
When I first saw it I though of a Vegetable (forgot the name of it)
*


Gomtuu, which Starfleet code-named Tin Man.

http://memory-alpha.org/en/wiki/Gomtuu

http://memory-alpha.org/en/wiki/Tin_Man

At least it wasn't a typical ST alien, by far.


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"After having some business dealings with men, I am occasionally chagrined,
and feel as if I had done some wrong, and it is hard to forget the ugly circumstance.
I see that such intercourse long continued would make one thoroughly prosaic, hard,
and coarse. But the longest intercourse with Nature, though in her rudest moods, does
not thus harden and make coarse. A hard, sensible man whom we liken to a rock is
indeed much harder than a rock. From hard, coarse, insensible men with whom I have
no sympathy, I go to commune with the rocks, whose hearts are comparatively soft."

- Henry David Thoreau, November 15, 1853

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