Congratulation Greg,
But Framos Have not this kind of CCD; where did you buy the ICX414?
Thanks,
Clear Sky,
Leonardo.
At 00.37 08/04/2003 +0100, you wrote:
<em class="quotelev1">>Hi,
<em class="quotelev1">>
<em class="quotelev1">>It can be revealed that I am the one with the permanent smile on my face.
<em class="quotelev1">>
<em class="quotelev1">>The ICX414AL is the big brother of the ICX424AL CCD. The CCD size is 0.5",
<em class="quotelev1">>with 9.9 micron square pixels.
<em class="quotelev1">>It was clear tonight so I decided to quickly hot-melt-glue it into an old
<em class="quotelev1">>case and give it first light. The attached image is a stack of 33 x 2
<em class="quotelev1">>second frames at 100% gain. The mount was a Black & Decker Workmate, so
<em class="quotelev1">>tracking is sub-optimal ;^)). I'm not sure of the target, but I was
<em class="quotelev1">>trying to aim in the region of Coma Berenices, to see if I could pick up
<em class="quotelev1">>any galaxies. I think that I may have succeeded. If any one recognises
<em class="quotelev1">>the area or has any tools to match it, I'd be grateful as I'd like to
<em class="quotelev1">>determine the limiting maginitude. North is Up, East is Left, Alt-Az
<em class="quotelev1">>orientation. FOV is 161x121arcmin (135mm telephoto lens at f/2.5).
<em class="quotelev1">>
<em class="quotelev1">>The camera appears to be pretty sensitive and dark current is remarkably
<em class="quotelev1">>low. A 60 dark is attached, but this is rather academic as skyglow washed
<em class="quotelev1">>out everything, when using 10s at 100% gain :^)) at my rural site.
<em class="quotelev1">>
<em class="quotelev1">>Still a long way to go to prove the design, but I'm pleased and relieved
<em class="quotelev1">>that the first images are promising (I haven't even removed the protective
<em class="quotelev1">>film from the CCD window yet).
<em class="quotelev1">>
<em class="quotelev1">>Many, many thanks to Steve Chambers for his advice, and encouragement to
<em class="quotelev1">>give this chip a go, and of course for the original long exposure mod and
<em class="quotelev1">>the ground-breaking 424 camera.
<em class="quotelev1">>
<em class="quotelev1">>Cheers
<em class="quotelev1">>
<em class="quotelev1">>Greg
<em class="quotelev1">>52N6 1W22
<em class="quotelev1">><http://www.greg.beeke.btinternet.co.uk>www.greg.beeke.btinternet.co.uk
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