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Yeah that was what I was considering... Definitely want to find a way of sticking the wire to the spider that doesn't at all affect the diffraction spikes though... with a different imager (ie - higher resolution) they look quite grand out of these scopes.. Thats one of the drawbacks of the ST9, because the pixels are so large, a very long FL is required to get a high resolution shot.. I think in the RC the ST9 gives ~2.5 arcsec/pixel, whilst this is good enough given the standard of seeing I get, the diffraction spikes look a little unweildy in a longer exposures... I took a 3 second sub of Hadar after completing collimation and the diffraction spikes touched every edge of the image... Hadar itself was nearly 1/80th of the entire frame.. just the one star! I'm organising a bigger chip to get a bit more field of view and a bigger final image in the next few weeks.. Hopefully I'll get some nice shots from that too...
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