|
Ngc 2997
Thanks Ray good advice.
I suspect because I was shooting this galaxy above my neighbours house and also that my Wife had a light on in the house has contributed to the gradient, plus shooting over in the NE is right above the Hobart city light dome. When I autodev in Star tools it comes up a horrid greeny yellow colour so I assume that is background LP. I used to use a CLS filter in my DSLR so am thinking about a filter?
In the mean time I shot another 3 hours last night of the same target in really good seeing so I will add these and try some of your recommendations.
I tried DBE in PI, but the area with the worst problem comes up as a nil weight so placing a pixel marker there goes red and won't register it (manual or moving an auto generated marker)
Cheers
Graham
|