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Re: Jupiter

 
 
Rich
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      10-23-2009
On Oct 23, 11:43*am, Troy Piggins <usenet-0...@piggo.com> wrote:
> The astrophotography has been keeping me occupied lately. *This
> is my first attempt at planetary imaging. *Lots to learn, I know.
> Don't see much astrophotography here so thought I'd share.
>
> Taken with a 8" f/10 scope with a 2.5x powermate (like a
> teleconvertor) giving it an equivalent focal length of around
> 5000mm. *Camera was a DBK21 CCD camera.
>
> The dark spot is the shadow of one of the moons, and you can just
> make out the Great Red Spot at the top.
>
> http://piggo.com/~troy/photos/2009/2...er091023_1.jpg
>
> All up I'm pretty happy with it. *Suspect the scope needs some
> tweaking of the collimation which should give a sharper image.
> Will have to try that next time, haven't done it before.
>
> --
> Troy Piggins


You need at least 25,000mm to really shoot Jupiter. Nice shot at
5000mm though.
 
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Damn 35 F. Rain - Staying Warm Inside Is Winning Today
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      10-24-2009
On Sat, 24 Oct 2009 07:30:59 +1000, Troy Piggins <usenet->
wrote:

>* Rich wrote :
>> On Oct 23, 11:43*am, Troy Piggins <usenet-0...@piggo.com> wrote:
>> [---=| Quote block shrinked by t-prot: 14 lines snipped |=---]
>>> tweaking of the collimation which should give a sharper image.
>>> Will have to try that next time, haven't done it before.

>>
>> You need at least 25,000mm to really shoot Jupiter. Nice shot at
>> 5000mm though.

>
>Anthony Wesley, the guy who discovered the that most recent
>impact scar on Jupiter, takes these sort of shots with an
>effective focal length of around 9000mm.
>
>http://www.iceinspace.com.au/forum/a...4&d=1256210105
>
>I'd be extremely happy if I can get anywhere near as good as
>that. Have you ever tried to image with something of the sort of
>focal lengths you're suggesting with back-yard amatuer gear? I'd
>love to see examples.


Don't mind Rich, he's just a troll that regurgitates what he's read other
trolls invent, or he himself invents. He doesn't even own a camera, much
less a telescope. Proved many times by many people. He's only here to play
"pretend" with his role-play life, using bits and snippets of info that he
happens to find anywhere on the net. He believes anything he reads on the
net, with no real-life experience to know the difference of when he's being
bullshitted.

 
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