Sword and Flame. An awful warning.

[DaveS]

This is what happens if you don't watch your aperture ring when doing a luminance run after changing the filter, then using the data as an L layer in LRGB synthesis .

You have been warned!

Leitz 180mm f/3.4 Apo-Telyte-R, ZWO LRGB set, Baader Ha, ASI 1600MMC. Ha, RGB f/3.4, L f/5.6 Argh.

 

[bingevader]

Very sparkly!

[Craney]

... added star quality....  

[AstroAndy]

On the plus side, it's all there.

 

[DaveS]

Thanks, true. Helps to be imaging from a fairly dark, if not pitch black, sky.