The Cat's Paw Nebula - Ha and HaRGB

DiscoDuck (Paul) · #1 29-06-2019, 12:48 PM

NGC 6334 in Ha and also using Ha as a luminance layer on some (poor!) RGB data. About 7 hours of Ha and 3 hrs RGB captured in suburban Adelaide. (HaRGB image cropped a bit because of a halo from a nearby bright star - perhaps Shaula??).

ZWO ASI 1600MM-C and RC8 on a Mach1 mount.

Not sure I've done a good job colourising the Ha as the extreme contrast of the Ha image doesn't seem to work well with the RGB data. Any tips on how to combine better? Should I merge some Ha into the R channel first??

Full res available on Astrobin for Ha and HaRBG images.

Andy01 (Andy) · #2 29-06-2019, 04:36 PM

Looks pretty good overall, nicely framed and solid data

Have you seen Marcos method for HaRGB combine? Best thing ever in my opinion

Atmos (Colin) · #3 29-06-2019, 04:51 PM

Your Ha data is clean and contains a lot of detail, it's good. Combining with RGB isn't always an easy process though.
What software are you using for processing?

DiscoDuck (Paul) · #4 29-06-2019, 06:03 PM

Quote:

Originally Posted by Andy01

Looks pretty good overall, nicely framed and solid data

Have you seen Marcos method for HaRGB combine? Best thing ever in my opinion

Thanks Andy. And thanks for the link. That looks like it'll be really useful. Mind you, in this case I'm not so much adding in Ha to an RGB image as using an Ha image and colourising it with some pretty ropy RGB data. It may be different??

Quote:

Originally Posted by Atmos

Your Ha data is clean and contains a lot of detail, it's good. Combining with RGB isn't always an easy process though.
What software are you using for processing?

Thanks Colin. I use PixInsight largely, though some Photoshop for minor tweaks.

multiweb (Marc) · #5 29-06-2019, 08:00 PM

Very tidy shot Paul. Great details. So many tiny stars. One for the poolroom.

strongmanmike (Michael) · #6 30-06-2019, 06:16 AM

Gee, you've pulled out some nice detail in there Paul

Mike

DiscoDuck (Paul) · #7 30-06-2019, 08:19 AM

Quote:

Originally Posted by multiweb

Very tidy shot Paul. Great details. So many tiny stars. One for the poolroom.

Quote:

Originally Posted by strongmanmike

Gee, you've pulled out some nice detail in there Paul

Mike

Thanks Marc and Mike.