Re: [APML] new image: IC1396-Provia and halpha CCD

["Jim Ives" <flyboy9990@earthlink.net>]

Wow! thats a great shot Jeff!  The resolution of CCD with the color from
film!  What a great combination!
Jim Ives
----- Original Message -----
From: "Jeff Ball" <jeffball@zoominternet.net>
To: "Astro-Photo" <astro-photo@seds.org>
Sent: Thursday, October 10, 2002 5:17 PM
Subject: [APML] new image: IC1396-Provia and halpha CCD


> Hello all,
> Thanks to Rob G for his processing tips on Halpha/RGB.  I have found the
> unstretched RGB star data from my AP130EDT to be a pretty good match for
my
> Halpha CCD on ST10 with a TV101.  I may resort to combining film RGB with
> halpha CCD quite a bit as film RGB is much easier to acquire than CCD RGB.
> I have found that when using the Nikon scan (as I guess most other
scanners
> and software) on dimly lit slides, it is best to just use the DCH curve
> adjustment which moves the entire RGB curve out and into the graph.  I
think
> this is more of a luminance adjustment.  I did not use the stretch
function
> on the RGB curves in the Nikon software and I think I get much better
scans.
> Adobe handles the stretching much better, I just need the Nikon sofware to
> elevate the RGB to the point where it is fully available.  Oh well, here
is
> the image:  3 hours of Halpha on TV101 with ST10 combined with 1 x 100
> minute Provia 120 on AP 130.
>
> http://www.astro-photography.com/ic1396_haRGB.htm
>
> I am really finding opportunities for both film and CCD.
>
> Jeff Ball
>
>
> --  APML Archives at <http://astro.umsystem.edu/apml/>  ---
>              Unsubscribe at <majordomo@seds.org>
>


--  APML Archives at <http://astro.umsystem.edu/apml/>  ---
             Unsubscribe at <majordomo@seds.org>