Quote:
Originally Posted by Peter Ward
I've recently purchased a Quark to add to my H-alpha imaging system.
I'd appreciate feedback from quark owners who are also using 90mm or so aperture refractors....
Do you also use an energy rejection filter? or has heat build-up not been
a problem without one? (the manual says an 80mm limit...but who reads manuals  ) |
Curious as to which one you got Peter?