M20 - The Trifid Nebula

Image © 2001 Paul Sterngold
Description:
Smaller companion to the Lagoon Nebula, with an interesting series of dark rifts criss-crossing it. Also has a lovely blue reflection nebula right next to it.
Telescope/Mount:
Mid-1980's Astro-Physics 6" f/8 refractor on Losmandy GM200 mount 
Camera and Control Software:
Starlight Xpress MX916 unbinned
Exposure:
1x2 + 1x5 + 1x10
Calibration:
Dark subtraction
Processing:
unknown
Guiding:
ST4, 80/910 refractor 
Date and Location:
Jun-2001 at Del Valle Regional Park near Livermore, California
Seeing, Transparency and Conditions:
unknown
Comments:
I'll see if the image details are around here somewhere...