Re: Grainy image from horsehead nebula
- Mark Striebeck wrote:
> Thanks for the encouragement Mike!Yes, flexure from an external guide scope makes long exposures
> My challenge there is that so far I could only manage to guide successfully
> for 5 minutes. If I go longer I get too many failures. One of the main
> issues (I suspect) is that I guide my SCT with a guidescope and not an OAG.
> As soon as the filter wheel comes in, I can start using the new OAG (it
> attaches into the filter wheel).
difficult. The OAG sounds like a solution. Let us know how it works.
Louisa County, Virginia USA N37.58.23 W77.56.24