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Old 16-05-2014, 10:55 PM
astro744
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astro744 is offline
 
Join Date: Apr 2007
Posts: 1,244
Quote:
Originally Posted by ThunderStorm View Post
At the moment the scope finder is already reverse the image.
Saturn viewing again, when I look through the scope finder (on and before 8pm), Saturn was on the top left hand of moon via the scope finder but actual should be at bottom right hand of moon.

Am I understand correctly?
Not sure if OP has the same thing as mine.
A reversed image is back to front. e.g top left reversed would be top right. A shift from top left to bottom right is likely upside down. If you rotate the image (or your head) the view will be right way around.

Note the orientation of the head with respect to the telescope, horizon and object position all cause rotation of the image.

A straight through finder will show an upside down image but not a reversed one. For reversal you need an odd number of reflective surfaces.

A reversed image cannot be matched up with a star chart whereas an upside down image can.
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