Starlight Xpress SXVR-M25C - Manual (Page 9)

Handbook for the SXVR-M25C Issue 1 June 2009
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4) Apply Anti-Alias: - Runs a special filter over the colour data to remove
coloured artefacts around sharp edges. This is especially useful for cleaning up
erratically coloured star images.
5) IR Filter Used? – Sets the colour balance to allow for the loss of infra-red
content when using an IR blocking filter.
6) Stretching: - A selection of contrast-boosting options which are preset for
various subjects.
7) Remove Background: - This option will adjust the sky background brightness
to give an optimum background level.
8) High Pass filters: - Automatically sharpen the luminance data to emphasise
fine details. Most useful for sharpening planetary images but will also increase
the noise content.
I suggest that you switch on the Colour smoothing filter and the Anti-alias filter – you
can experiment with the other options as you gain more experience. Now click on
‘Create image’ and you should see that the grid pattern disappears and is replaced by
colour image data.
If the colour is roughly correct, then all is well. However, the colour decoding is
reliant on the filter pattern being properly registered with the processing software and
this can vary. If the colour is badly wrong, try opening the ‘Set program defaults’
dialog box and altering the ‘Pixel’ and ‘Line’ offsets. Reload the raw file and try
synthesis again. If it’s still not right, experiment with just a pixel offset or just a line
offset until the colour is good.