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  #1  
Old 21-04-2012, 01:33 AM
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Eta Carinae - Narrowband with SBIG-STF8300

This is my very first 3 filter Narrowband Image ever.

I am very pleased with the outcome.

Its 15 x 10 min Subs each in Ha, OIII and SII mapped to Hubble Pallet

I used Ken Crawfords Clipping Layer Method to get color balance to my taste.

I am amazed at detail this Scope and Camera combination can pull out with only 4.2 inches of Glass.

Medium and full frame here much better than attached postage stamp

Feedback most welcome.

Taken with Takahashi FSQ106 and SBIG STF-8300
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Last edited by cventer; 23-04-2012 at 11:04 PM.
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  #2  
Old 21-04-2012, 01:40 AM
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You'd have to be very pleased with that result.
A high quality image with many pin sharp stars.
Well done with the processing.
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Old 21-04-2012, 08:56 AM
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Wow, that's a corker especially for your first image. Love the colour balance you achieved, perfect.

Only minor thing would be there is some red ringing around a lot of the stars.

I'd say try deconvolution on your S11 master and try to get the FWHM value on a few stars similar to the O111 and Ha.

Or easier, simply select the brighter stars (easiest way is use Noel Carboni action for this), expand it 1 or 2 pixels and feather 1 and use selective colour to pull back the reds.

Greg.
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Old 21-04-2012, 10:04 AM
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That's a fantastic effort for a first go Got to love those FSQ's Nice framing as well.
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Old 21-04-2012, 10:17 AM
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Very nice indeed, just goes to show how quality equipment effectively provides good data, that coupled with good processing, can result in stunning images.

Last edited by TrevorW; 21-04-2012 at 01:53 PM.
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Old 21-04-2012, 03:25 PM
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Working on one similar in colour and tones and using Kens Map tutorial too. I really like your reds and blues together. I never thought I would like narrow band but some styles are clearly more to my tast than others.

Nice work Chris. What filters are you using by the way?
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Old 21-04-2012, 03:37 PM
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Wonderful colour choice - pleasing to the eye and highlights features very well. Top effort.
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Old 21-04-2012, 08:43 PM
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Lovely image Chris. What a great start to your narrowbanding.
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Old 21-04-2012, 09:14 PM
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Quote:
Originally Posted by alpal View Post
You'd have to be very pleased with that result.
A high quality image with many pin sharp stars.
Well done with the processing.
Thanks Mate. Appreciate the feedback

Quote:
Originally Posted by gregbradley View Post
Wow, that's a corker especially for your first image. Love the colour balance you achieved, perfect.

Only minor thing would be there is some red ringing around a lot of the stars.

I'd say try deconvolution on your S11 master and try to get the FWHM value on a few stars similar to the O111 and Ha.

Or easier, simply select the brighter stars (easiest way is use Noel Carboni action for this), expand it 1 or 2 pixels and feather 1 and use selective colour to pull back the reds.

Greg.
Thanks for advice Greg. I may use selective color with a mask. I already did use deconvolution on SII as well as selective color with reducing magenta, but might take it back a bit more. I dont mind a little bit of a ring as with none the stars just look white and a bit bland.

Quote:
Originally Posted by Mighty_oz View Post
That's a fantastic effort for a first go Got to love those FSQ's Nice framing as well.
Thanks. It was one of those I made sure to refocus every hour or so and the raw frames just looked good right off the bat.

Quote:
Originally Posted by TrevorW View Post
Very nice indeed, just goes to show how quality equipment effectively provides good data, that coupled with good processing, can result in stunning images.
Appreciate the feedback. You are certainly spot on. Have a good camera matched to the scope makes such a difference. The STF-8300 and Tak FSQ106 are soulmates. Just meant to be.....

Quote:
Originally Posted by Paul Haese View Post
Working on one similar in colour and tones and using Kens Map tutorial too. I really like your reds and blues together. I never thought I would like narrow band but some styles are clearly more to my tast than others.

Nice work Chris. What filters are you using by the way?
Thanks Paul. Took a bit of work to get color to a point I was happy. This time I took my own advice. Got it to where I thought it was good. then slept on it. looked at it and made quite a few adjustments the next day. Biggest tip I read was using selective color on Red and dialing back Cyan channel about -15. This causes the Brown/Orange to turn a nice fiery red/orange.

My filters I use are the 36mm Baader ones that come with STF-8300 Pro package.

Quote:
Originally Posted by RobF View Post
Wonderful colour choice - pleasing to the eye and highlights features very well. Top effort.
Thanks Rob. Appreciate the time to give feedback.

Quote:
Originally Posted by Rigel003 View Post
Lovely image Chris. What a great start to your narrowbanding.
Thank you. I like the different textures it brings out and with a little work on color channels some pleasing combos of Red/Orange, Green and Blue are possible. Given I image from backyard this kind of imaging is a fair bit easier than LRGB.
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  #10  
Old 22-04-2012, 12:09 PM
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What a sublime result. Needle sharp, perfectly guided stars. Great dynamic range and smooth-as.

Looks like the FSQ/STF8300 were made for each other. Nice one!
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Old 22-04-2012, 08:48 PM
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Great result Chris, one of the nicer narrowband emission line filter images of this favourite I have seen the brightness of the neb helps here too I recon.

Mike
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Old 23-04-2012, 10:58 PM
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Quote:
Originally Posted by Peter Ward View Post
What a sublime result. Needle sharp, perfectly guided stars. Great dynamic range and smooth-as.

Looks like the FSQ/STF8300 were made for each other. Nice one!
Thanks Peter

The image scale and QE seem to be a very good match.
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  #13  
Old 23-04-2012, 11:00 PM
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Originally Posted by strongmanmike View Post
Great result Chris, one of the nicer narrowband emission line filter images of this favourite I have seen the brightness of the neb helps here too I recon.

Mike
Thaks Mike. Big compliment.

I tweaked the colors a little more and added a little contrast to the Homunculus.
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  #14  
Old 24-04-2012, 11:21 AM
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Awesome! Great colours, love narrow band!
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Old 25-04-2012, 10:02 AM
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Top shelf. Love the colours.
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  #16  
Old 26-04-2012, 07:24 AM
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Very nice!
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  #17  
Old 01-05-2012, 10:58 AM
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Quote:
Originally Posted by TheDecepticon View Post
Awesome! Great colours, love narrow band!
Thanks for looking.

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Originally Posted by multiweb View Post
Top shelf. Love the colours.
Thanks. I spent half the processing time on color balance.
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Originally Posted by CoolhandJo View Post
Very nice!
cheers
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  #18  
Old 01-05-2012, 11:02 AM
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Just found out SBIG selected my image for their image sharing blog

You can see the post here: http://www.sbig.com/astronomical-ins...inae-stf-8300/

http://www.sbig.com/astronomical-ins...inae-stf-8300/

Last edited by cventer; 01-05-2012 at 11:29 AM.
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Old 01-05-2012, 12:18 PM
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Quote:
Originally Posted by cventer View Post
Just found out SBIG selected my image for their image sharing blog

You can see the post here: http://www.sbig.com/astronomical-ins...inae-stf-8300/

http://www.sbig.com/astronomical-ins...inae-stf-8300/
It's a top image Chris

Mike
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