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The latest on the RH 200 project. December 8/9
- OS otor kit for the focuser received and installed.
- Proper STL camera adapter received and installed. Allows rotation of the camera and proper distance to array.
- New OS tube rings for the OTA received. The standard single arm support configuration revealed differential flexure after only 5 min of exposure. I somehow new the standard arrangement was going to be a problem for long exposures unless I used an internal guider.
- Waiting on new D dovetail plates to finish the set up.
- Using SBIG STI autoguider with its short fl video camera lens. Impressed with the STI sensitivity.
Bert is correct. The imaging train is the key issue with these scopes. Initial testing showed the collimation to be spot on, but the array was defintely tilted. Using a 16803 would be nice (and I have one), but honestly thinking a ML 8300 camera and smaller pixels would be a fun project for this unit. My old STL (first generation), is beginning to show its age.
more to come.
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