Re: [APML] California Nebula redux - added Gaussian Blur + Sharpen

["Phillip Jones" <starfest@comcast.net>]

Thx Vincent. I downloaded PixInsight and will begin to play with it.

-Phil

----- Original Message ----- 
From: "Vicent Peris" <vicent@cepheusastrophoto.com>
To: "Discussion of Film Astrophotography" <astro-photo@seds.org>
Sent: Friday, November 05, 2004 1:22 AM
Subject: Re: [APML] California Nebula redux - added Gaussian Blur + Sharpen


> Hi Phil,
>
> you won't get good results blurring all the image and after sharpening all
> another time. Try SGBNR (the tool included in PixInsight) to remove the
noise,
> or at least another noise supression tool (Neat image or Noise Ninja...).
> By applying a gaussian blur to all the image and after sharpening it,
> you are losing a great amount of data. In fact, it's like you were doing
> the photo with a poor telescope that produces large stars and
"not-sharpen"
> images, and you weere solving the problem of such poor telescope by
> sharpening the image. Try SGBNR (well, I recommend you before applying
> SGBNR to supress small scale noise with wavelets in PixInsight) and
> exploit all the advantage your Tak can take.
>
> Regards,
> Vicent.


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