At some point you may want to get a F6.3 focal reducer which will increase
your
FOV by about 50%.

Amen! The reducer/corrector, maybe a good 10 - 12mm eyepiece and a shorty
barlow (the Orion is fine), and you'll be set for a while.

Peace,
Rod Mollise
Author of _Choosing and Using a Schmidt Cassegrain Telescope_
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