Rchurt

Thanks very much!

Hello, I recently purchased my first telescope and camera, and now I want to make sure I have the correct Barlow or reducer to couple them together to achieve Nyquist sampling on the camera (or slight over-sampling). In case it’s important, I’m interested in planetary imaging—in theory that shouldn’t matter for this sampling question, but maybe there are other considerations to take into account. I used this calculator (https://astronomy.tools/calculators/ccd_suitability) and plugged in my info: Telescope: Celestron 8 SE Camera: ZWO ASI462MC Seeing: exper