[Allan_L (Allan)]

Originally Posted by MichaelSW

A thread in Beginners Equipment Discussion started by Chirpy3476 (Danial) titled Collimation 22-12-2013 with post #3 from barx1963 (Malcolm) giving very useful link to article on collimation.

http://www.iceinspace.com.au/forum/s...=115675&page=2

YES, the Astro-baby document is also my first choice when recommending a collimation guide.