[evltoy (Wayne)]

Hi Guys,

I'm kind of getting a little confused on what filters and how to setup the optical train for some DSO on with my (unmodified Nikon D80) DSLR and Celestron C8.

Frist off. Do I require an IR cut filter to be in front of the DSLR no matter if I have other filters in the optical train? If so would it be wise to put a filter draw in front the the camera and just drop in a 1.25 IR cut filter?

Also will my images benefit with the use of LRGB filters with my unmodified camera with or without the IR cut filter?

What would be the priority, IR or LRGB filters?

The idea I have is from the C8 I will have a reducer -> T-Adaptor (M42) -> Filter wheel -> M42 spacers (if required) -> Filter draw (with IR cut) -> T-ring

The above idea was also going to be used with an Astro Camera too.

Thanks in advance for your input.
Cheers
Wayne