Astrophysics : Finding Objects & Star Alignment
This page last changed on Dec 02, 2012 by rp7772.
Slewing to objects:With the viewfinder correctly set it should be easy to find brighter objects through the telescope. Aligning the Telescope for Tracking:Theoretically, if the base of the telescope is entirely level, then only 1 star's position is required in order for it track the sky effectively. The LX200's mount is set up to be level although it was found that the 1 star alignment procedure (TELESCOPE>ALIGN>ALTAZ>1 Star) was not as successful at maintaining good tracking than the 2 star procedure (TELESCOPE>ALIGN>ALTAZ>2 Star Alignment). Results were also best when choosing two stars that were further apart on the sky. To set up tracking with the CCD in place (this is preferable to aligning with the viewfinder and changing as you eliminate the possibility of upsetting the alignment in changing the viewfinder):
You should now have fairly good tracking. Test it out by slewing to a star you know from the catalogue (such as Betelgeuse or Sirius). It's also important to frequently check the slewing and tracking so as not to accidentally take images of the wrong star by trusting the telescope's coordinate system. In the event of frequent or particularly stubborn slewing errors, you may want to consider using a shifted coordinate system method. |
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Document generated by Confluence on Jun 12, 2013 09:50 |