From: Ray Byrne <ray@in4media.co.uk>

Date: February 1, 2010 9:31:43 AM MST

To: Astro_IIDC@yahoogroups.com

Subject: Re: [Astro_IIDC] Mars at Opposition

Hi Jim and All,

Here's a link that may be of interest:

<http://www.damianpeach.com/simulation.htm>

ATB

Ray

On 1 Feb 2010, at 16:13, Jim Chung wrote:

Hi Milton,

I've been following the CN thread about this scope design. Until I
see it in person it almost seems like magic. I too always thought
that any central obstruction reduces contrast.

Jim