The universe is like a safe to which there is a combination. But the combination is locked up in the safe.

— Peter De Vries

M27 in Ha and OIII

First attempt at narrow band imaging: Makes mince-meat of our light pollution!

M27 in Ha and OIII

M27 NB

Great for a first try!

Nice caputure on OIII - the outskirt halo, however it seems that when you combined the RGB, the Ha weight is too small.

You s'd do more NB imaging - is just spectacular what you can get