Quote:
Originally Posted by Shiraz
do you think it could be fixed pattern noise (eg from darks or flats) being smeared out by guiding drift? If your polar alignment was rough, drift could do this if you are using the same noisy dark frame throughout. looks a bit like the FPN in the image attached to -
http://www.iceinspace.com.au/forum/s...44#post1091044 |
Thankyou for the link Ray, I'll have a good read through that.