[E_ri_k (Erik)]

Hi all, I begun an imaging run on NGC 300 last night. I put together what I had so far and found this odd shadow/ghost image overlaid on the top left of the image.

All the subframes look the same to me, so by trial and error I integrated the image several times, omitting One image at a time. I narrowed it down to one frame causing error: frame 6.

Without frame 6 the result is normal.

Thoughts?

Erik