Quote:Hi;Can someone tell me if there is a way to make a hyperstar system work with a schmidt cass scope that does not have a corrector plate?Is there a lens that could be added to the mirror facing end of the hyperstar assembly that would do the job of the missing corrector lens? I was thinking of using a simple 3 or 4 vane newt type of secondary holder to mount the hyperstar unit to the front end of the schmidt cass ota.Any thoughts?Adrien
Uncle Rod Uncle Rod's Astroblog: http://uncle-rods.blogspot.com/
George You know you're getting on when the equipment you farmed with is showing up as suburban lawn ornaments.
Celestron C8 / Atlas EQ-G / EqMod / SSAG / PHD / BackyardEOS / Canon T1i / ASI120MM / QHY10
Quote:Here is a link that shows the Before and After pictures taken by Hubble. While the damage is clearly bad as compared to the "After" picture, the fact remains that a lot of the structure has been captured.http://hubblesite.org/gallery/album/pr1995049eI think the same thing would happen in the C8. The question though is how big the Airy pattern will extend on the chip. At f/2, will stars still look more or less like points, or will they spread beyond that.
Quote:at f/2, considering that the image scale is incredibly small,