Quote:
Originally Posted by Peter Ward
The Antlia 3.5nm clearly works very well. (no so much my earlier 7nm Baader effort)
HOO? ... nup.
I'd go uber-deep with Ha, OIII and add RGB or even LRGB to make the stars look pretty, but that's just me.
But you don't need my bias.
What ever "floats 'yer boat" works too. 
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Hi Peter
This raises a good discussion about why in particular the Helix should have natural colours when most other non-broadband objects use SHO, HOS and other colour palates - essentially painting nebulosity with false colour.
Chris.