The USGS Astrogeology Mapping, Remote-sensing, Cartography, Technology, and Research (MRCTR, pronounced "Mercator") GIS Lab provides web-based resources aimed at the planetary research community. The lab supports Geographic Information Systems (GIS) graphical, statistical, and spatial tools for analyses of planetary data, including the distribution of planetary GIS tutorials, tools, programs, and information.
Open source astronomical software from faculty and staff with research interests or teaching in Astronomy and Astrophysics at the University of Louisville. Add in your own parameters to create a sky map on demand.
Taking more than 10 years to complete, the 2MASS Redshift Survey (2MRS) also is notable for extending closer to the Galactic plane than previous surveys - a region that's generally obscured by dust. (from Center for Astrophysics)
"This set of star maps was created by plotting the position, brightness, and color of just over 100 million stars from the Bright Star, Tycho-2, and UCAC3 star catalogs." - NASA Scientific Visualization Studio.