Rosette AP140 F5.6

[gregbradley]

Here is another image I took over the Christmas break from my dark site.

I made an error shooting this one where I had luminance set to blue from the Pleiades image and didn't change it back. So I got blue at 1x1 binning instead of Luminance.

Luckily I have some TEC180 luminance for this object so I blended that in.

AP140, 155TCC giving F5.6, Proline 16803, Astrodon Gen 11 filters,NJP mount.

HaB LRGB 15 40 90 40 40 40.

http://upload.pbase.com/gregbradley/image/131809992/large regular 1200 x 1200

http://upload.pbase.com/gregbradley/image/131809992/original 2000x 2000 large

Greg.

[Astroman]

Very nice image, so much detail... Thanks for sharing with us.

[renormalised]

Nice shot, Greg. I think the colour balance on this one is perfect....real nice red/pink :)

[RobF]

Beautiful image of a beautiful object. Great going.

[gregbradley]

Thank you. I also have a widefield version I will post later on.



Yes the Rosette can be challenging with the colour balance. I have had trouble with it before.



Thanks very much Rob

[richardo]

Hi Greg,
mmmm, dunno about using the B for lum (a great deal of the wave lengths are filtered out).. While it looks ok, it has sort of muted the potential I think.

Why not discard the B and use a desaturated/ mono version of your combined RGB, there's 120' worth there. do some extra contrast, sharpening... whatever works and recombine the Ha data to it and see how that looks, then re combine to the RGB data.

God, you gotta hate it when you have the wrong filter slotted:sadeyes:

All the best
Rich

[mill]

Great looking image Greg :thumbsup:
I have made the same mistake once too and the resulting image looked very weird :eyepop:

[TrevorW]

Nice Greg well done

personally I'd drop saturation in the background stars a tad and increase contrast in the cental dark dust lanes

each to their own

[Jen]

:thumbsup: nice pic Greg keep up the great work :D

[gregbradley]

The blue luminance is pretty minor and the TEC180 lumiance was mainly used. There may be a slight gain doing that but I don't think it would be much.





Thanks Trevor. I'm going to take some more luminance at some point so a repro is on the cards.



Thanks Jen.

Greg.

[Paul Haese]

Greg, nice work on the image but I guess the dark dust lanes are a bit absent.

[gregbradley]

Yes that's a future project to capture that missing luminance and that will help there.

Greg.