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Old 15-03-2006, 03:49 PM
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davidpretorius
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Undecided on a IR/UV filter for imaging jupiter

Hi Guys, Jupiters opposition looms large, and I have been thinking of a filter for the toucam.

Does anyone use one with jupiter, does it make any difference???

Can someone do a test for me ie one run with and one run without.

thanks
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Old 15-03-2006, 04:28 PM
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Robert_T
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Hey DP, you know that Jupiter sequence I did back on the 18th of Feb of around 9 images over and hour, well the first half were with the Baader UV/IR filter and the second half without... I really didn't notice any difference much, at least none that weasn't sorted out with the RGB align in registax.

cheers,
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Old 15-03-2006, 04:44 PM
Dennis
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All my ToUcam images posted on IIS, those of Jupiter, Saturn and the Moon, have been captured with a Baader UV/IR filter.

I'll try removing it and comparing the results when we next get some decent skies.

Cheers

Dennis
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Old 15-03-2006, 06:14 PM
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thanks guys
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Old 15-03-2006, 06:27 PM
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iceman (Mike)
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I use an IR blocking filter.. it mainly tries to keep the dust out, but on this job it fails terribly.

The IR filter really depends on the object - to my knowledge, it makes the most difference on Mars and the moon. On Jupiter/Saturn, it may not make as much difference.

I think the main purpose is to stop the different wavelengths of light leaking into each others channels, as the IR can have that effect. I'm not sure on the scientific reason.. i'll do some tests next time out.
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Old 16-03-2006, 06:47 AM
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thanks mike
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