Re: [APML] NGC7822, Ced214, and Sh2-170

["tan@home.com" <tan@home.com>]

Chuck,

	I dare not make any claims as to the color accuracy of my images. In the 
right ballpark, maybe a yes, but "color accurate" definately not.

Loke


Chuck Vaughn wrote:

> Loke,
> 
> I understand what you're saying but max S/N and optimum exposure
> time for color balance may not be mutually exclusive. Max S/N
> occurs once the film is exposed enough so that the sky fog level
> is above the toe of the curve and the brightest parts haven't
> reached the shoulder.
> 
> This whole thing is object dependent but objects that are all
> low brightness like the Witch's head, should allow for some latitude
> in exposure without severely impacting S/N since I doubt their
> brightness range would fill up the entire linear part of the curve.
> 
> If you're going to expose each channel for max S/N then you might
> as well start calling them "Maximum S/N False Color Images."<g>
> 
> Chuck <aa6g@aa6g.org>
> 



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