Top: Images of the Basilica of the Shrine of the Immaculate Conception acquired with a multispectral camera and a conventional digital camera. For details, see the paper by Mathews, pp. F71-F76. Bottom: Compact High Resolution Imaging Spectrometer (CHRIS) synthetic noise-free images of selected test sites. For details, see the paper by Gomez-Chova et al., pp. F46-F60.