My Obsession stuff

My 18" Obsession Telescope Pictures:

Pict of me(barely) and my scope with nothing yet added or modified

* 18" Mirror Test Data:

.....- Interferogram, Ronchigram, Foucaultgram

.....- Foucaultgram before & after refiguring

All the modifications:

* * Birch Eye Piece box

* * TeleVue mounted on UTA

* * Baffling of the scope

* * Under mirror box and THE

* * Markless CounterWeight System