... The Wide Field Spectral Imager ( WISPI ) seen here in the Roll Roof Facility provides visible and near-infrared spectra of the sky across 4 degree fields. ... A computer controlled mounting automates the acquisition of 2-D rastered spectral images. ... Light from the sky enters the large 400mm lens at top center, is imaged on the slit, collimated by the smaller 180 mm lens, and diffracted by the grating at the bottom toward the 200mm lens and CCD camera on the right. ... Camera - 200mm f/2 Nikor ED ...

... Sep. 22, 2007: http://planetary.org/blog/ article/00001154 Dawn launch: Delayed to September 27 Sep. 24, 2007: http://www. planetary.org/blog/article/00001155 Dawn launch: One-on-one with Marc Rayman at Kennedy Space Center Sep. 26, 2007: http://www.planetary.org/blog/article/00001160 This image was captured moments after Dawn lifts off from my vantage point about 2.5 miles south of the Delta launch pad in Cape Canaveral. Credit: Ken Kremer Dawn launch: Go Dawn, go Delta! ...