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Old 16th of August 2009 (Sun)   #1
tmf3lehigh
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Default Jupiter

This is my first post in Astronomy and Celestial. I saw a post the other day on Jupiter and its moons and decided to give it a try for myself. I used a 500/4 with a 2x extender on my 40D (Wimberley mount, no tracking). The single image was tweaked in Aperture and noise reduced with Nik Define, and then cropped. Ohh, and this was shot in northern NJ, 12 miles from mid-town Manhattan, so not the best dark sky conditions.

I'd appreciate any comments and suggestions for improvement.

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Old 16th of August 2009 (Sun)   #2
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Default Re: Jupiter

Very nice
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Old 16th of August 2009 (Sun)   #3
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Default Re: Jupiter

That's a single image? Wow!
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Old 16th of August 2009 (Sun)   #4
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Default Re: Jupiter

Excellent shot. That 500L is something isn't it? One day...
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Old 16th of August 2009 (Sun)   #5
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Default Re: Jupiter

Holy Crap, that is a great Image! Well Done
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Old 16th of August 2009 (Sun)   #6
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Default Re: Jupiter

who, what, har,....

i'm lost for words... a 500 with extender cause this...

mind showing what the original image looks like.
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Old 16th of August 2009 (Sun)   #7
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Default Re: Jupiter

Very nice - good to see the banding etc.
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Old 16th of August 2009 (Sun)   #8
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Default Re: Jupiter

What was the exposure?
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Old 16th of August 2009 (Sun)   #9
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Default Re: Jupiter

Quote:
Originally Posted by artyman View Post
What was the exposure?
Here is the EXIF data:

shutter speed 1/160

aperture f8.0

ISO 1600
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Old 16th of August 2009 (Sun)   #10
tmf3lehigh
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Default Re: Jupiter

Thanks for all the comments--they are very much appreciated.


Quote:
Originally Posted by Aaagogo View Post
who, what, har,....

i'm lost for words... a 500 with extender cause this...

mind showing what the original image looks like.
This is the original, unprocessed image:

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Old 16th of August 2009 (Sun)   #11
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Default Re: Jupiter

You did this without a telescope?! Wow
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Old 17th of August 2009 (Mon)   #12
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Default Re: Jupiter

Excellent shot!
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Old 17th of August 2009 (Mon)   #13
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Default Re: Jupiter

That really is impressive. Far, far, FAR better than anything I've ever managed with my 1200mm telescope!!
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Old 17th of August 2009 (Mon)   #14
tmf3lehigh
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Default Re: Jupiter

Quote:
Originally Posted by HaroldC3 View Post
That's a single image? Wow!
Yes, a single image. I took multiple images--would stacking them help? I also took some bracketed exposures.

Quote:
Originally Posted by gcflora View Post
You did this without a telescope?! Wow
No telescope, although I would like one. I just don't know if I'll have much use for one where I am located.

Quote:
Originally Posted by Adrena1in View Post
That really is impressive. Far, far, FAR better than anything I've ever managed with my 1200mm telescope!!
I guess when factoring in the crop factor of the 40D, this was taken at 1600mm, and then cropped significantly.
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Old 17th of August 2009 (Mon)   #15
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Default Re: Jupiter

Not 1600 mm, you're at 1000 mm. The crop factor doesn't enter into the focal length because you're not full-frame. Think about it, those pixels in the middle of your sensor have no idea how big the sensor is, so this would have no effect on the magnification.

Having said that, at 1000 mm I think you CAN consider that to be a telescope!
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