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  #1  
Old 08-03-2014, 09:58 AM
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Not another Bran 285. :)

Haven't seen any images of this very obscure object except for a small image on the RCW catalogue at the Galaxy Map website.

Perhaps it is the first amateur image.
The object is embedded in an even more obscure object the molecular cloud GCB88 visible in the image.

HaRGB image.

11 hrs Ha 1 hr each RGB. BRC-250 CCD, STXL11002 CCD.
Larger image http://members.iinet.net.au/~sjastro/bran285.html

Clear skies

Steven
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  #2  
Old 08-03-2014, 06:55 PM
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Fabulous work Stephen
With the amount of imaging going on its rare indeed to get one
rarely imaged
Greg
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  #3  
Old 09-03-2014, 09:31 AM
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Great effort Steve!another new target for the Carina Region.
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  #4  
Old 09-03-2014, 12:07 PM
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Hi Steven,
That's great data you have collected.
I hope you don't mind - I had a quick play with your image?

I would have preferred different processing as per attached:

cheers
Allan
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  #5  
Old 09-03-2014, 06:36 PM
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Quote:
Originally Posted by atalas View Post
Great effort Steve!another new target for the Carina Region.
Thanks Louie.

Quote:
Originally Posted by alpal View Post
Hi Steven,
That's great data you have collected.
I hope you don't mind - I had a quick play with your image?

I would have preferred different processing as per attached:

cheers
Allan
No problems Alan.
The trouble with the data is that the object is so ridiculously faint that it failed to register in the RGB images. Rather than doing a marathon imaging session I used the highlights option in photoshop to tone down the characteristic salmon pink colour associated with Ha imaging.
I have removed a green cast from the image using PI.

Quote:
Originally Posted by gregbradley View Post
Fabulous work Stephen
With the amount of imaging going on its rare indeed to get one
rarely imaged
Greg
Thanks Greg.

Clear skies

Steven
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  #6  
Old 09-03-2014, 07:15 PM
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Nice find!
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  #7  
Old 10-03-2014, 10:17 AM
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Quote:
Originally Posted by sjastro View Post

No problems Alan.
The trouble with the data is that the object is so ridiculously faint that it failed to register in the RGB images. Rather than doing a marathon imaging session I used the highlights option in photoshop to tone down the characteristic salmon pink colour associated with Ha imaging.
I have removed a green cast from the image using PI.

Steven
That's much better Steven.
You've got rid of those green stars.
I used the HLVG plug-in filter in Photoshop to do the same.
I notice that I boosted the colour with LAB mode a lot more than you did.
I probably over did it but I would still prefer a little more colour than you.
Each to their own -
10 people would give you 10 different versions by processing the same data.

cheers
Allan
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  #8  
Old 10-03-2014, 12:32 PM
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Quote:
Originally Posted by alpal View Post
That's much better Steven.
You've got rid of those green stars.
I used the HLVG plug-in filter in Photoshop to do the same.
I notice that I boosted the colour with LAB mode a lot more than you did.
I probably over did it but I would still prefer a little more colour than you.
Each to their own -
10 people would give you 10 different versions by processing the same data.

cheers
Allan
Hello Alan,

Given there are no reference images except a false colour version from the UK Schmidt scope a "colour standard" to go by is not possible.
I've decided to throw conventional Ha image processing out the window and have come up with a final version where the star colours in particular are far superior.

http://members.iinet.net.au/~sjastro/bran285.html


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Nice find!
Thanks Narayan.
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  #9  
Old 10-03-2014, 12:43 PM
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Hi Steven - that's looking even better now - a bit more colour.
It's a pity about the blooming areas in blue around some bright stars.
It may be possible to process it out using "selective colour".
I get the same problem with bright stars & also the bleed lines in black,
going off to the right are a nuisance when you hit the well depth.

cheers
Allan
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  #10  
Old 10-03-2014, 12:54 PM
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Oh noooo, not yet another Bran 285...
I mean, that's brilliant, and nice to see a rarely (if ever) imaged object and your image is great. I partcilarly like the later versions that show more colour.
Thanks for the view!
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  #11  
Old 11-03-2014, 10:53 AM
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Originally Posted by SkyViking View Post
Oh noooo, not yet another Bran 285...
I mean, that's brilliant, and nice to see a rarely (if ever) imaged object and your image is great. I partcilarly like the later versions that show more colour.
Thanks for the view!
Rolf,

I think you should invest some time in this region. It probably warrants a 100hr+ mega exposure to bring out the full detail.

Quote:
Originally Posted by alpal View Post
Hi Steven - that's looking even better now - a bit more colour.
It's a pity about the blooming areas in blue around some bright stars.
It may be possible to process it out using "selective colour".
I get the same problem with bright stars & also the bleed lines in black,
going off to the right are a nuisance when you hit the well depth.

cheers
Allan
Alan.

Another way is to select the stars and apply a slight desaturation.

Clear skies

Steven
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  #12  
Old 12-03-2014, 12:59 PM
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The last reprocess of this image.

I have learnt you don't have to blend the R and Ha channels to avoid the salmon pink colours and white stars. In this case however the "correct" balance is anyone's guess given there are no reference images.

http://members.iinet.net.au/~sjastro/bran285.html

Regards

Steven
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  #13  
Old 12-03-2014, 01:11 PM
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Hi Steven,
That's looking much better now.
I had pushed the colour far too hard in my quick version.
Just goes to show that it's worth putting extra time into processing.
Now - yours is THE reference image.

cheers
Allan
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  #14  
Old 12-03-2014, 03:47 PM
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That's looking very good now Steven - a fine image. The green/cyan halos around the bright stars were a bit distracting earlier. Maybe you could further reduce the halos with some selective colour processing.

Cheers

Steve
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  #15  
Old 14-03-2014, 01:02 PM
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Bran285 with rare white reflection nebula

Quote:
Originally Posted by Stevec35 View Post
That's looking very good now Steven - a fine image. The green/cyan halos around the bright stars were a bit distracting earlier. Maybe you could further reduce the halos with some selective colour processing.

Cheers

Steve
Done to the best of my abilities Steve.
The link is below.


Quote:
Originally Posted by alpal View Post
Hi Steven,
That's looking much better now.
I had pushed the colour far too hard in my quick version.
Just goes to show that it's worth putting extra time into processing.
Now - yours is THE reference image.

cheers
Allan
Thanks Alan.

It has been brought to my attention there is a fairly rare type of object, an unnamed small white reflection nebula near the centre of the image. Initially I thought it was a halo but reducing the halo effect has brought this object into greater detail.

http://members.iinet.net.au/~sjastro/bran285.html
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