Quote:
Originally Posted by Asteri
Hi I just purchased a GSO 12 inch dob. Would there be anyone in the Frankston area ( vic ) that would know how to ajust 2nd mirror as i think i have managed to put it way out.. tried to colminate this morning and its way out. please someone help....
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Hi Labros, have a read through this
http://www.astro-baby.com/collimatio...on%20guide.htm A simple guide to collimating a newtonian reflector.
Also check out the video, How to collimate your reflector telescope by hand as well as using an accessory like the Orion LaserMate Deluxe Laser Collimator.