NGC 3372 Carina with L Extreme Filter

[Startrek]

Captured NGC3372 last night in suburban Sydney ( Bortle 8 ) using an Optolong L Extreme multiband filter for the first time
Moon 77% waxing
Neighbours backyard lights on all night both sides
Scope 6” f6 GSO Bintel newt ( fl 900mm )
Mount EQ6-R Pro
Imaging Camera ZWOASI2600MC Ascom controlled set at Highest Dynamic Range ( Gain 0 ) cooled to -12C
Baader MCCP Mk3 coma corrector
Goto and Nav EQMOD and Ascom Stellarium
Frame focus and Capture APT
PHD2 Multistar guiding ( first time using it ) 0.75 to 0.80 total rms
50 x 3 minute dithered guided subs
No darks
No flats
Stacked in DSS
Processed in Startools V1.7 OSC linear data set
Processing required very little noise reduction ( 2 pixels )

Original frame
Cropped versions to show detail

Comments welcome

[PKay]

Awesome mate!

You have ticked all the boxes with this effort.

Very well done :thumbsup:

[gregbradley]

Lots of detail. The salmony colour though is not that pleasant. Perhaps try to add some magenta back into the colour to get it back to that Halpha colour.

Greg.

[AG Hybrid]

Like your work Martin. I work with your son Anthony and he was showing me those exact pictures on his phone. Glad to see you here :)

[multiweb]

Great details and FOV with good star profiles in that shot Martin. Nailed the focus and guiding. Top shelf. :thumbsup:

[Nikolas]

If you wanted to you could use astropixel processor and separate the Ha and O3 channels then combine them. the difference in colours is astounding.

[AdamJL]

we're still waiting for your tutorial on how to do this :)
I haven't forgotten!

On topic, fantastic work Martin. You're really getting great results with that camera, and your editing is coming along really well :)

[Startrek]

Thanks All for your comments
Much appreciated

[Nikolas]

I'll see what I can do when I'm on Holidays :)

[Startrek]

Greg,
I spent some time reprocessing the image
Created a Star mask so stars wouldn’t be sampled
I chose Legacy in the Colour Module, only did minor tweaks to the Red , Green , Blue bias settings and adjusted saturation levels both colour , light and dark
Inverted Star mask and adjusted colour bias in Star field separately
Managed to expose reds , blues and a hint of green in the image now
Also adjusted contrast
Martin

Comments welcome

[AdamJL]

Colours are all opinions, but that's also much better to me, Martin. Great work

[RyanJones]

The repro looks great martin ! Well done !

[Startrek]

Adam,
Thanks for sharing your workflow
I’m think the image has a lot more depth now

Ryan,
Thanks for your kind comment
Adam steered me in the right path so thanks to him
Also I now process narrowband with the stars excluded and process then at the end to achieve better and more accurate star colours
Got a good system running now especially with Startools version 1.7 , the best upgrade by far. Ivo is working on V1.8 but won’t disclose any details or date it might be released. The only request I made is to include a Star mask in the HDR module to mitigate Stars bloat when using either the Soft and Hard Optimise algorithms
Cheers
Martin

[CoolhandJo]

The detail and latest colour rendition is fantastic.:thumbsup:

[multiweb]

The color repro looks very good. You have some terrific details in there. Good star profiles and color variety. Very good raw data and nicely processed. One for the poolroom. :thumbsup::thumbsup::thumbsup:

[rustigsmed]

nice work with the repro - looking good :thumbsup:

[Startrek]

Thanks Paul , Marc and Russell
Very pleased with the rework on this image as well
One point I’d like to make is you don’t have to spend a zillion dollars on a scope to produce reasonable images
My little 6” Bintel GSO newt only cost me $299 about 4 years ago. The primary mirror is a bit banged around but it does the job
Thanks again
Martin

[Robert_T]

great stuff Martin, the L extreme filter is a marvel... so good I stopped even paying attention to the presence of phase of the moon. You can pull quite a bit of (other than red) colour from many subjects as here and as per Nik's approach and others. For now I'm giving OSC a break while i experiment with mono and narrowband...whether it's worth the much greater complexity over OSC plus L extreme the jury is still out for me. Thanks for sharing and looking forward to seeing more from you and thiks great combo.

[Startrek]

Thanks Robert
Very happy with how this image turned out
Yes I agree the OSC multiband filters have limitations and mono is the ultimate way to go but , I’m really enjoying this set up especially when the moons up in Sydney’s Bortle 8 light polluted skies
It’s a quantum leap from my old DSLR
Cheers
Martin

[Decimus]

That first frame of NGC3372 is absolutely brilliant, Martin. Well done:eyepop:

Cheers,
Richard

[xa-coupe]

The combination of the ASI2600MC and the L-eXtreme produces awesome reults!!
Great image Martin.

[Startrek]

Thanks Jeff
Yes indeed , ZWO have a winner here and the recent 2600MM is also turning heads too

[Startrek]

Richard
Appreciate your kind comment
Thanks
Martin