Quote:
Originally Posted by White Rabbit
Hi have the 6nm Astronomik Ha filter and I'm blown away but the contrast I get with it. I'm using an STF-8300m.
I'd get as narrow as you can afford, it will have better light rejection and contrast.
https://www.flickr.com/photos/sandy073/9634651496/
Cheers. |
Dont go too tight (3nm) or you will exclude N11, a mistake I made although 3nm gives the best Ha detail. min 6-7 min is fine and gives more signal.