Object:
M13
Camera:
Meade DSI Pro
Date:
June 24, 2006
Lens:
Meade LX90/6.3 focal reducer
Exposure:
R;G;B; 20 x 20"
Location:
West Boylston, MA
Processing:
Combined each color set in Registax
Aligned/combined those sets in PS7
Adjusted color for each channel
Image>Hue/Saturation
Select "colorize"
Adjust Hue to proper color for each layer
Go into Blending options for each layer
check only the RG or B as applicable
Adjusted levels and curves
removed the gradient
Duplicate the image
Apply dust&scratches filter to create an image with no stars
Cloned out the bright central area of this mask
Applied a gaussian blur to soften it
Applied the image via Image->Apply Image with blending mode set to subtract and opacity set to 50%
Finally, I applied a mild unsharp mask to punch up the stars a bit.