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Callibrating The Telescope

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Posted by Lucian Curelaru on July 19, 2001 08:28:34 UTC

Hi I have a question. I want to make a calibration on my telescope. I know to make the "hard" callibration : look in the daylight in the telescope without eyepiece and see if the secondary mirror is in the centre of the main mirror, but if I want to make a 'soft' callibration I know I have to look to a 2-3 magnitude star and see with the eyepiece in an upper position.. and so on. My question is: does anybody know another method for the 'soft' calibration, eventualy a method I cand use in the daylight (whithout using a star.. and so on)? Thanks

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