You definitely need to learn collimation if you own a newt. You will never get the views you hope and expect until you learn to collimate, and can ensure that your collimation is correct.
Where abouts in Sydney are you?
You should endeavour to come to our Kulnura observing night on the 17th Feb - you'll get help from experienced people about collimation and we can show you how to do it properly.
In the meantime, do a search on collimation and there's a tonne of threads discussing the hows and whys.
Collimation is critical. It's a must-learn skill for anyone with a newtonian.
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