Mohamed replied to the topic 'M31' in the forum. 4 years ago

El Corazon wrote: Are you using the Linear or Polynomial focuser?


I didn't change any of the options, so I guess it is the default. My focuser is the JMI MotoFocus+ Celestron C8 ( farpointastro.com/shop/jmi-motofocus-celestron-c8/ ), and I don't know if it has a backlash or not...

Read More...