Re: [APML] OK - here's your blue Veil Nebula

["bert katzung" <katzung1@home.com>]

Hi Mike:
Thanks for the sample input. I notice you did not keep the wavelength steps
equal. I guess this is OK if you're dealing with discrete lines rather than
continuous spectrum? I'll check out the other pages on the CIE website.
Bert

Bert Katzung
katzung1@home.com
www.astronomy-images.com

----- Original Message -----
From: "Mike Cook, AF9Y" <mwcook@concentric.net>
To: <astro-photo@seds.org>
Sent: Monday, 26 November, 2001 7:57 PM
Subject: Re: [APML] OK - here's your blue Veil Nebula


>   Bert,
>
>        The pages preceding the CIE calculator contain an excellent
> discussion on the evolution of the CIE Chromaticity chart.  As for
> the calculator, it is a bit tricky.  It is designed to accept a direct
> copy from an Excel spreadsheet.  Here is an example of an
> input with a mix of 1.5 parts OIII and 1 part Hb :
>
> http://www.webcom.com/af9y/calc.jpg
>
>      The output is a point on the color chart which shows the
> color for the mix of emissions in the table.
>
>
>



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