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