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Astrophotography and Sketching >> CCD Imaging & Processing

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vpcirc
Post Laureate


Reged: 12/09/09

Loc: Merced CA
A new wizard new
      #6194636 - 11/14/13 01:43 PM

NGC 7380


Mapped narrowband with RGB stars
HA 14 x 1200
OIII 12 x 1800
SII 14 x 1800
Shot November 2013 NM Skies


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Sonya
sage
*****

Reged: 06/27/08

Loc: Space City
Re: A new wizard [Re: vpcirc]
      #6194689 - 11/14/13 02:12 PM

Now thats how I want mine to look one day. Wonderfull imaging you should be proud
Nice stars!
Clear Skies
Sonya


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guyroch
Vendor (BackyardEOS)
*****

Reged: 01/22/08

Loc: Under the clouds!
Re: A new wizard new [Re: Sonya]
      #6194969 - 11/14/13 04:47 PM

I showed your image to my mount/camera and told them "That is what it should look like, do you get it now!"

I'm hoping they were listening and do it right the next time I'm out

Seriously though, that is an amazing image!

Guylain


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Bill W.
Carpal Tunnel
*****

Reged: 10/09/05

Loc: Western PA, USA
Re: A new wizard new [Re: guyroch]
      #6195242 - 11/14/13 07:00 PM

Great shot Mike!

-Bill


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vpcirc
Post Laureate


Reged: 12/09/09

Loc: Merced CA
Re: A new wizard new [Re: Bill W.]
      #6195306 - 11/14/13 07:32 PM

Thanks Sonya, Guylain, Bill

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JWalk
Pooh-Bah


Reged: 06/06/10

Loc: San Antonio, TX
Re: A new wizard new [Re: guyroch]
      #6195362 - 11/14/13 07:53 PM

Quote:

I showed your image to my mount/camera and told them "That is what it should look like, do you get it now!"

I'm hoping they were listening and do it right the next time I'm out


Seriously though, that is an amazing image!

Guylain





That's funny!!!! Great shooting Mike. Crispy!


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vpcirc
Post Laureate


Reged: 12/09/09

Loc: Merced CA
Re: A new wizard new [Re: JWalk]
      #6195444 - 11/14/13 08:35 PM

Thanks for your wizard eye Jimmy!

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broca
Carpal Tunnel
*****

Reged: 03/26/10

Loc: Ocala, FL
Re: A new wizard new [Re: vpcirc]
      #6195491 - 11/14/13 09:02 PM

Nice work Mike!

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Louietheflyisme
professor emeritus


Reged: 06/17/13

Loc: Australia
Re: A new wizard new [Re: broca]
      #6195937 - 11/15/13 04:27 AM

Nice work! I love the HST Palette.

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vpcirc
Post Laureate


Reged: 12/09/09

Loc: Merced CA
Re: A new wizard new [Re: Louietheflyisme]
      #6196678 - 11/15/13 02:47 PM

Thanks Louie, Steve

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mattw
sage


Reged: 07/19/06

Loc: Arkansas
Re: A new wizard new [Re: vpcirc]
      #6197677 - 11/16/13 06:46 AM

That's a super shot. I really love the rgb star mapping.
Mike, perhaps you've done so before, and I've missed it, but
can you explain your procedure for the rgb star mapping
for NB images? Thanks! Matt


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vpcirc
Post Laureate


Reged: 12/09/09

Loc: Merced CA
Re: A new wizard new [Re: mattw]
      #6198475 - 11/16/13 04:51 PM Attachment (5 downloads)

Thanks. I've actually started a new method. I now make a star mask in PI and save it as a tiff. I then take the RGB layer and put it on top the NB. I add a mask, then put the star mask inside. (ctrl-c to copy the mask, then alt click in the mask and ctrl-v to paste it in) I change the blend mode to color. Here's a screen shot of what it would like before working on the rest of the image. I would actually do this last after working on the narrowband.

Edited by vpcirc (11/16/13 05:09 PM)


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vpcirc
Post Laureate


Reged: 12/09/09

Loc: Merced CA
Re: A new wizard new [Re: vpcirc]
      #6198487 - 11/16/13 04:57 PM Attachment (6 downloads)

If you don't have PI to make a star mask, you can do it with in PS by Ctrl+click in the channels panel. Your stars will highlight, then expand by 4 pixels (depends on your star size) then feather by 2 and ctrl c to copy

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vpcirc
Post Laureate


Reged: 12/09/09

Loc: Merced CA
Re: A new wizard new [Re: vpcirc]
      #6198501 - 11/16/13 05:05 PM Attachment (3 downloads)

Then paste the layer on top and change the blend mode to color and all the color stars are brought over. I don't like this method as much as in this case, the selection also picked up part of the brighter parts of the nebula. Those can be lasso'd out, or my case I just painted that area out.

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vpcirc
Post Laureate


Reged: 12/09/09

Loc: Merced CA
Re: A new wizard new [Re: vpcirc]
      #6198505 - 11/16/13 05:07 PM

The reason I prefer the first method now, is because I can make the star mask from the HA layer in PI only apply the color to the stars that actually appear in the narrowband. That means less star reduction work later to highlight the detail that narrowband provides.

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Bill Snyder
Pooh-Bah


Reged: 05/17/09

Loc: Pennsylvania. USA
Re: A new wizard new [Re: vpcirc]
      #6199034 - 11/16/13 10:20 PM

Nice Image Mike!!
Bill


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vpcirc
Post Laureate


Reged: 12/09/09

Loc: Merced CA
Re: A new wizard new [Re: Bill Snyder]
      #6199536 - 11/17/13 09:10 AM

Thanks Bill

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