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A longer sub test
Hi all,
I have decided to experiment with the Riccardi reducer that I have only briefly used when I bought my current telescope some time ago.
I certainly need to fine-tune spacing and orthogonality, but it is so much fun capturing data with a refractor at f/4.5, that I could not resist sharing the results.
Attached is a single 45-minute Ha-sub of a very popular DSO (histogram stretch only).
Thank you for looking
Suavi
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