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CCD cameras

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Hi guys


I have 2 CCD OSC cameras. I have not had any imaging equipment for a couple of years now, I currently own a Nexstar 9.25 GPS and I would like to move the 2 cameras on. Is there a way that I could effectively test the operation of the cameras before I offer them up for sale? I have tried some short exposures through the SCT but the images were not suitable for stacking so I’m struggling to confirm the correct operation of the cameras. I do not want to offer them for sale without confirming they are fully working. The 2 cameras are:





Thanks in advance for any help offered. 

Edited by Jonny14716
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I test my atik in daylight sometimes by stopping down the apeture of the scope and turning down the exposure to its minimum 0.001 ish. I then focus on a distant object. That usually suffices. With my ed80 I use the dust cap with the solar cap open so the 9.25 will probably need something making up.

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That seems like a good idea. I may have to try to knock up a corrector cover with a smaller aperture and give that a try. Thank you for that 

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