Re: Added album Photos of Forum Members in their A-P Logo Hats #photo-notice
OAG or Guidescope?toggle quoted messageShow quoted text
I assume thats a Celestron 9.25 with a focal length of 2350mm.
Does it have mirror locks?
My guess is you are using an OAG at 2350 FL and the guide star is jumping around due to seeing. Iirc this is known as “chasing the seeing”.
On Jun 1, 2021, at 11:26 AM, Kenneth Tan <ktanhs@...> wrote: