Contrast enhanced black-and-white image of the same region (probably one of the plates used to make the color image). The extreme richness in detail was obtained by the Unsharp Masking method invented by David Malin of the AAO. The effective contrast enhancement which can be obtained by this method is obvious.

For technical info on unsharp masking, look at David Malin's webpage on special photographic techniques.

Above images are copyrighted and may be used for private purpose only. For any other kind of use, including internet mirroring and storing on CD-ROM, please contact the Photo Permissions Department (photo at aaoepp.aao.gov.au) of the Anglo Australian Observatory.

Last Modification: August 2, 1999