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FORUMS Photo Sharing & Discussion Astronomy & Celestial 
Thread started 25 Apr 2010 (Sunday) 23:36
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A shot of Saturn

 
tmmulske
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Apr 25, 2010 23:36 |  #1

I took this with a Celestron 8" SCT and a 50D. 5 ISO 100 shots stacked in PS.


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marklift
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Apr 25, 2010 23:42 |  #2

If you turned it upright, it would resemble an olive with a toothpick in the vastness of space. Nice shot!


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Adrena1in
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Apr 26, 2010 04:41 |  #3

Not bad at all there. I had some absolutely fantastic views of Saturn through my C11 the other night, where I was able to boost the magnification to around 300-times. Even with the rings almost directly side-on to us I was still able to see the gap between them and the planet.

Sadly I couldn't get any images worth posting though. :(


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ejicon
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Apr 26, 2010 13:54 |  #4

Wow. that's awesome. Nicely done.


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alonsovcsusb
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May 02, 2010 02:45 |  #5
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That's an awesome shot. I really need to get into astrophotography now. This took me into interest, lol.


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tkerr
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May 02, 2010 09:26 |  #6

Planetary images with a DSLR are extremely difficult. Because of the chip and pixel size, you need so much focal length so that you're able to get a good image scale. If you don't have the aperture then you won't have the resolving power to get a nice detailed image. That's not to mention getting the focus and exposure right.
For planetary imaging, Unless you have a very large long focal length telescope, You would really do much better with a Web-Cam to record short 1-1/2 to 2 minute videos, then stack the individual video frames using something like Registax.
The Philips ToUcam Pro's were/are very popular for that purpose, however, it's getting tough to find them anymore. The latest that I am aware of was the Philips SPC900nc(ToUcam Pro 3), But since then they have all been discontinued, and as of lately I don't know what they plan on replacing them with, or what other Web-Cams will do just as good. I haven't been keeping up with that as much as I should.
That leaves the option open to buy and use a Lunar and Planetary CCD Imager such as those sold by Meade, Celestron and Orion. There are however better, but more expensive alternatives. All depends on what you want to do with it.


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tmmulske
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May 02, 2010 22:44 |  #7

tkerr wrote in post #10106353 (external link)
Planetary images with a DSLR are extremely difficult. Because of the chip and pixel size, you need so much focal length so that you're able to get a good image scale. If you don't have the aperture then you won't have the resolving power to get a nice detailed image. That's not to mention getting the focus and exposure right.
For planetary imaging, Unless you have a very large long focal length telescope, You would really do much better with a Web-Cam to record short 1-1/2 to 2 minute videos, then stack the individual video frames using something like Registax.
The Philips ToUcam Pro's were/are very popular for that purpose, however, it's getting tough to find them anymore. The latest that I am aware of was the Philips SPC900nc(ToUcam Pro 3), But since then they have all been discontinued, and as of lately I don't know what they plan on replacing them with, or what other Web-Cams will do just as good. I haven't been keeping up with that as much as I should.
That leaves the option open to buy and use a Lunar and Planetary CCD Imager such as those sold by Meade, Celestron and Orion. There are however better, but more expensive alternatives. All depends on what you want to do with it.



Thanks Tim,

I have a spc900nc, but was imaging the moon this nightand decided to take a couple of shots of saturn.

Todd




  
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A shot of Saturn
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