Author and Stuttgart, Germany resident Stefan Seip's an expert astrophotographer (see www.astromeeting.de.), general science writer, and IT consultant
Discusses optimizing DSLR camera settings, shooting RAW format, "tightening" images with calibration frames, combining short exposures of faint objects into a single exposure, correcting brightness and contrast and color, adjusting for vignetting or variable field illumination, processing your DSLR images, and using webcams or point and shoot cameras