Trifid Nebula

ISOCAM image of Trifid Nebula taken at 11.5 microns.
An optical image of the above source is available here.
(Click here for full size version of the above
and here for combined optical and ISO version.)

This image is dicussed in the item "An Infrared "Negative" of a Bright Nebula" that appeared in the ESA/ISO Info Note 25.97. Other images from this note can be viewed here