Re: [APML] NGC 3953 using LLRGB technique

["Mike Cook, AF9Y" <mwcook@concentric.net>]

Robert,

    "Just right" processing demonstrates how an image can show all the
detail without the harshness you see in some images.  Of course
having all that RC S/N helps.  Was this image taken with your new
1200 mount?

Mike



From:           	"Robert Gendler" <robgendler@worldnet.att.net>
To:             	<astro-photo@seds.org>
Subject:        	[APML] NGC 3953 using LLRGB technique
Date sent:      	Sat, 20 Apr 2002 09:28:47 -0400
Send reply to:  	astro-photo@seds.org

> Hi all,
> OK I'll try to do this a lttle differently <G>.
> I've uploaded a new image of NGC 3953, a nice
> spiral in Ursa Major. The image is at:
> http://www.robgendlerastropics.com/3953.html
> I used the "LLRGB" technique to bring up the rather
> weak color data. The processing steps are outlined below.
> 1)Calibration, stacking, and RGB composite in Maxim.
> 2) LR applied to Luminance in AIP.
> 3)RGB and Luminance saved as 16 bit and brought up
> in PS where curves, levels applied and converted to 8bit.
> 4)First LRGB created using layers in PS. Opacity brought
> to 50% and image flattened. Additional saturation (30%)
> and gaussian blur (1.7 pixels) applied. This image was then used as the
> "new" RGB and two more additional rounds of the same were performed
> which very significantly enhanced the color data. If anyone is interested in
> the details of the technique my LLRGB article can be found at
> http://www.robgendlerastropics.com/LLRGB.html
> Rob Gendler
> Email: robgendler@att.net
> Web site: http://www.robgendlerastropics.com/
> 
> 
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Mike Cook, AF9Y
http://www.af9y.com
mwcook@cris.com




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