Quote:
Originally Posted by AstroApprentice
Do you have filter rings installed? If not, contact ZWO and they will provide them for free. They help reduce internal reflections - there’s a thread on CN about them. Perhaps try that first as it won’t cost you anything except a week or so waiting for post.
|
Yes, I have the filter rings installed (they came with the filters). I found
this interesting comparison on CloudyNights directly comparing Astrodon and ZWO filters. The halos weren't present on the Astrodon filters. I wish I could find a similar Astronomik/ZWO comparison.