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Old 30-01-2008, 07:45 AM
Zuts
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Zuts is offline
 
Join Date: Mar 2007
Location: sydney
Posts: 1,837
Quote:
Originally Posted by Valmir View Post
do you know if you need a nebula filter to view a nebula?.
No you dont need a filter to view nebula. However from light polluted skies or for very dim nebula they can help by increasing the contrast.

As always it depends on the nebula, the scope, the seeing, the light pollution and so on.

Definately if you point nearly any scope at M42 you will see nebulosity as it is a very bright one, even from central sydney viewing.

Here is some reading to get you started http://pages.sbcglobal.net/raycash/filters.htm

Paul
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