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Dedicated CCD Cameras and Image Processing Discuss the use of dedicated CCD cameras that are designed strictly for Astrophotography, and the techniques used in processing the images from these types of cameras.

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Old 08-16-2006
dpab's Avatar
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Meade DSI Pro

Okay Ive been playing more .
I can get it going, for instance with the typical eyepiece Jupiter is nice and clear and when I put in the DSI camera the image can be reasonably clear but , requires more playing with the histogram and contrast and stuff.
I think I need to figured how to set a quick exposure and take many photos and stack the results, ...So far for me I have not been able to see the lines and stuff on Jupiter with the DSI yet .
Anyone got tips ...that would be great .
Thanks
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Old 09-06-2006
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Hi!
I also had the same problem with the DSi Pro when I first started, but here are a few tips for you.
1} The DSi Pro is really not suited well for planetary images, but they can still be done with reasonable quality, a better choice for planets would be the LPI.
2} make sure that you have the live view box checked, at this point Jupiter will look like a big bright blob.
3} draw a centroid around the Planet and adjust for best focus,use the average button in the magic eye focuser.
adjust the focus for the highest average number
4} hit the auto expose button,and wait for it to be completed, it will say done under the start button.
5} if the planet is still a bright blob then here is what you must do. next to the live view check box you'll see the exposure settings, with up and down arrows, click the down arrow, and refocus. but only in the live view and not the long exposure box!
do this until you can see detail in the live view screen. you may have to refocus several times. I had to manually enter the values in the live view exposure box until the object was dim but detail was visible.

with my setup, my exposure ended up around 0.225sec and I had to refocus several times, remember to keep the image rather dim but just enough to show some detail.
6} now that youve found the corrrect exposure you may have to manually enter that same value in the long exposure box,click the long exposure box and enter the same values that you got in the live box.

Then its a matter of choosing what format you want to save it in, In the save process dialog, Fits is usually the best,but this will depend on what you want to process the subs with.
I usually do my initial processing with Autostar then I save it as a bitmap and do further adjustments with Registax I do this for a wavelet adjustment and contrast settings.
7}hit the preview button and adjust your contrast and your sliders if needed, once you get a rather dim but focused Planet with some detail visible you can then push the start button.
I can' seem to find your previous posts,as I am new here but what ae you using for equipment? are you also using a barlow and a diagonal?

I hope that this helps!
Dennis
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