Yay! you like it
...never can tell sometimes with narrow band
...everything is an experiment
Thanks everyone who has commented
Marc: yes there outer shell is very strong in OIII so the combination of Ha and OIII completes the ring
Doug: Phew, you were one I hoped would like it...the other one is Marcus
Mark Bolton, 30min subs hey
...not even 10min mate, this was done with just 5min subs
..I have me a 12" Schmidt camera
..err?..yeh, I'll get my bio of to you pronto
woops
Mike