Re: [APML] New Image: IC 1805 with Nikon Lens

[Scott Justis <ngc2683@yahoo.com>]

Rob,

--- Robert Gendler <robgendler@worldnet.att.net>
wrote:
> Hi,
> I've uploaded a new image of the emission nebula IC
> 1805.
> This was taken with my F2.8 300mm Nikon Lens at F4
> and ST10.
> The luminance was 80 minutes H-alpha and 40 minutes
> "red filtered", 
> RGB= 10:10:10. 

Very nice image! Is there an advantage to using a
H-alpha filter for your luminance image as opposed to
an un-filtered luminance?

Thanks in advance,

Scott 

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