Santa Barbara Instrument Group ST-i Operating Manual page 36

SBIG ST-i Manual
Tip: While in the Single Shot Color Processing dialog box, click on any
slider, then use the keyboard right and left arrow keys to make fine
adjustments.
You can save the final color image as a TIFF file at any time by selecting
File -> Save As. Note that once the image is saved as a TIFF you won't be
able to process it any further with CCDOPS. (You will still be able to open
and view the image, however.)
Color Balance
Any color image, even those from monochrome camera with external filter
wheels or from consumer digital cameras, may require minor corrections to
achieve the best color balance. This is done in CCDOPS by simply sliding
the Color Balance Sliders at the top of the dialog box. To make the image
more Red (or less Cyan) move the top slider towards Red then hit the
Process button again. If there's a star or an area of the image you know is
White you can White Balance on it by positioning the Crosshair over that
area, then right-clicking the mouse and select Set White Balance. It is a
very simple process. The color balance can be very sensitive to small
changes
Brightness and Contrast
Use the Brightness and Contrast sliders to adjust the image and then hit the
Process button to see the results.
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