Quote:
Originally Posted by strongmanmike
Well that came out ok, huh?  Looks great, nice separation of the core stars there and some lovely gaseous extensions. If your intention is to have it look like a natural RGB though, my only suggestion is that it is missing some green, otherwise top stuff Lee
Mike
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Thanks Mike! I think the background (where there's no apparent faint nebulosity) is neutral. Maybe it's just too saturated?
Quote:
Originally Posted by marc4darkskies
No bad at all Lee!  Not sure about lacking green though, as Mike says. The colours seem reasonable to me. It does lack some brightness & contrast though IMO. It also looks like the background sky is brighter than the faint HII areas in some places - most notably on the left and top left of frame. I'd darken the background sky a little.
Cheers, Marcus
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Thanks Marcus, appreciate the feedback.
The lack of contrast is probably due to me using Masked Stretch in PI, which does lead to somewhat dull results. I did up the contrast a bit after, but maybe not enough. I've uploaded a newer revision on Astrobin with a bit more contrast. Still not quite right though I don't think so I'll keep tinkering with it. May yet get some more data too.
That background nebulosity basically doesn't exist in my super luminance. Probably due to me combining everything using noise evaluation though I did briefly try and unweighted median and it still didn't show up.
Not sure if there's better ways to combine NB and BB data.
Quote:
Originally Posted by Placidus
Very pleasing, Lee.
It's fun to compare with your NB only version, and see the extent of the enveloping blue reflection nebulosity in the combo that gets almost totally blocked by an OIII filter. On the other hand, your NB version shows the Herbig-Haro jet.
Edit: Whoops, I just noticed that your NB version used a nonstandard mapping. But what I said about the reflection nebulosity vs OIII is still true when I compare it to other NB images.
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Thanks Mike! There's gotta be a way to get the best of both worlds, I'm just not sure how to do it yet... any tips would be appreciated :-)
Quote:
Originally Posted by gregbradley
Very nice. A slightly different look to a familiar object.
These short exposure strategies pick up some nice star shapes and colours.
Greg.
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Thanks Greg :-) I think the main thing for the star shape and colour here was the masked stretch, which I don't usually like to use. That, combined with the creation of "superR" (r+sii+ha), "superG" (oiii+g) and "superB" (oiii+b) helped I think.
The broadband data actually had heaps of clipped stars due to the low dynamic range of the ASI 1600 when used at unity gain.