Starlight-xpress SXV-M25C Manual do Utilizador descarregar pdf (Página 20)

Handbook for the SXV-M25C Issue 1 June 2004

Other things to try include summing several images for a better signal to noise ratio.

This MUST be done AFTER colour synthesis, as summing raw images is very likely

to destroy the filter grid pattern and so prevent the creation of a proper colour image.

Summing can be done in the ‘Merge’ menu and involves loading the first processed

image, selecting a reference point (a star) then loading the second image and finding

the same star with the mouse. Once the reference is selected, you can either add

directly, or average the images together. Averaging is generally better, as you are less

likely to saturate the highlights of the picture. The signal-to-noise ratio will improve

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Starlight-xpress SXV-M25C Manual do Utilizador Página 20