Re: [APML] Blue Hue

[steve banbury <banburys@sonic.net>]

Hi Michael--I've seen posts from a number of folks who used a Minus 
Violet filter in their shots to reduce the haloes.
There are also some post processing tricks in Photoshop under Filters , 
Minimum

Good luck--steve

Michael Barlow wrote:

>OM1, E200, St80 Achromatic.
>1.    I remember there being a "trick" with filters to get rid of the Blue
>hue around brighter stars on Refractors but I don't remember how.  Was it to
>photograph without a filter and then photograph with a blue filter and stack
>them?  Was it to photograph without a filter and stack on top of that one
>photo of each, red, green, blue where the blue exposure time was far less
>then the others?  I have the Orion ST80 achromatic and photographed Mizar,
>M42, and Sirius, all the bright stars had a blue hue around them.
>Michael A. Barlow
>
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