Messier 13 - Focus DSO for May 2005  
M13 Color First Try - Steve Bell

M13 Color First Try - Steve Bell(Administrator)

Description : first attempt at LRGB with the DSIPro and 400mm
Imaging Equipment : DSIPro and 400mm
Telescope : 400mm telephoto working at f/8
Unguided Cave GEM
Imaging Setting : L=33x15 sec w/red filter
R=20x15 sec
G=20x15 sec
B=20x15 sec

Gain=100%, Offset=50%

Refocused for each color.
Saved composites as .fts in Autostar software.
Post Processing : Histogram adjusted, color composite created, and saved as 16 bit .fit
(luminance) and .tif (RGB) in CCDSoft.
Adjusted levels, curves, saturation in PS 5.5. Also applied unsharp
mask and selective gaussian blur.

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